Meet Our Mass Timber Team

Meet Our Mass Timber Team

We’re looking forward to the “Mass Timber Group Summit” in Denver, Colorado, July 31 – August 2.  It takes place at the Denver Art Museum and will be attended by the leading designers, engineers, suppliers and consultants in the North American mass timber space.

Cornerstone is sending three of our best too, and we’re sure you’ll enjoy meeting our team!  As a way to prepare you for some great conversations at the Summit we’d like to introduce you to our mass timber leaders:

Tanya, Michael and Jake (L-R) provide leadership to Cornerstone’s Mass Timber program

Company CEO, Tanya Bachmeier, is a second-generation owner.  She grew up in the business and was instrumental in helping the company adopt digital design for conceptual and shop drawings.  She also recognized an unmet need in the heavy timber industry for architectural grade finishes and was amongst the first to offer a fully customized finishing service to clients. (She also plays a mean right wing on the company’s hockey team, the Timberwolves.)

Tanya will be presenting an address to the summit on her personal experience of working in the heavy structural timber industry.

Michael Pankratz, Vice President, studied architecture at University of Manitoba. Following his degree, he sought to better understand the practical aspects of construction and took a job with a firm that worked on everything from high-end custom homes to civic art installations and airport terminals.  The diverse hands-on experience of those years cultivated an appreciation of designs that enable ease of construction and efficient site processes. As Cornerstone’s design leader since 2015 he’s been personally involved in all our mass timber projects. (Joins the madness in March when college basketball is in tournament mode)

Michael is presenting a workshop session on a timber wall system that has the potential to simplify our industry’s approach to single and multi-family construction.

Jake Howe, Director of Commercial Sales, hails from Toronto where he attended trades school, learned gas fitting and worked in commercial construction.  He went on to pursue his C.E.T. diploma, a Passive House trade certification and worked for one of North America’s largest general contractors.  As a project manager he had opportunity to work with mass timber and quickly realized that engineered heavy timber has the power to change the construction industry.  (Like many Canadians, he admits to talking loudly to his TV during hockey games.)

Jake will be available with insights as a commercial building project manager in Michael’s workshop.

Maintaining Your Timber Frame

Maintaining Your Timber Frame

What you need to know to keep your beautiful timbers in top form.

You made a great choice in choosing to feature timber in your home’s design.  Thank you for choosing Cornerstone Timberframes to be your supplier of fine structural and decorative timber!

 

As a new owner of a timber frame there are only a few things you need to have in mind as the years go by.  There are two items that are common to virtually all timber frame structures:

  • Cracks (seasoning checks) that form as heavy timber dries down in response to interior humidity levels.
  • Best practices for maintaining exterior finishes on timber.

Let’s start by looking at the first issue:

Timber Checking (crack lines in posts and beams):

Humans have used timber in their homes since before recorded time, but only in the last two hundred years have our habitations become as separated from nature as they are now.  In most ways, that’s been a great improvement, but when it comes to humidity, it means the air in our homes has never been drier – especially for homes in colder or higher parts of the country.

Nothing to worry about - wood becomes stronger and stiffer as it loses moisture.

When a tree becomes a timber post or beam for your home it still holds a portion of its living moisture.  At Cornerstone, our timbers spend time in a conventional drying kiln, but this can only draw moisture from the outer inch or so. This helps stabilize the timber and the kiln’s heat protects against sapstain.  In the following months the remaining moisture will leave the timber.  As it dries, it is also shrinking slightly in girth. Cracks will form parallel to the wood grain as tension is released.  These are called seasoning checks. Checks can form in multiple fine lines on two or more sides or be concentrated in one larger crack on one face of a timber.

Seasoning checks are natural and unavoidable. Large timbers will usually have more checks than smaller timbers and these also tend to be more visible.

Reducing Checks

While you can’t avoid checks altogether, there are a couple strategies you can use to decrease their number and size.  The idea is to slow the rate at which your timbers lose their moisture.

Humidistats provide helpful feedback.
  • Your home’s interior humidity is key. Use a humidistat to keep an eye on the relative humidity of your home as soon as construction reaches “lock-up” and during the first year of heating and cooling. In winter, humidity levels should be kept at or above 30% and in summer a range of 40-50% is good.  Humidifier units can be stand-alone or integrated into your home’s HVAC system.
  • High temperature also contributes to checking. In a sunroom or any space with large windows solar gain can push local temperatures well above those programmed into your home thermostat. Higher temps when combined with dry winter conditions pulls moisture more rapidly from your timbers. During the first year, use blinds to reduce solar gain whenever possible, and go easy on fireplace use.

Treating Checks

Sometimes a large check occurs in a spot where it’s visually annoying.  If your stain colour is dark, the check exposes the lighter coloured wood and it’s the contrast that catches the eye. 

There’s an easy solution that many clients can apply themselves:

Use an atomizer-type spray bottle.  These can often be found at pharmacies, hardware stores, and discount shops. The key is that it can spray a very fine mist.

Fill it with the stain used on your frame.  Contact us if you need to confirm the colour and strength applied to your timbers.

Test the atomizer on a piece of scrap wood or paper, so you have a feel for how it works.  Then spray the stain into the checks you want to treat and use an absorbent cloth or paper towel to wipe up any excess or runs.

One pass usually provides good coverage.  If a second coat is needed, check to ensure that the first coat is dry to the touch before re-applying.

While a check will never truly disappear, removing the visual contrast makes it much less noticeable.

Cleaning Timbers:

Sansin finishes are durable and easy to clean.  Inspect your timbers’ appearance periodically, especially exterior locations where air borne dust and dirt exposure can be high.  To return your timbers to their full lustre and beauty a simple, quick cleaning is needed.  Use a soft cotton or microfiber cloth with lukewarm tap water and a small amount of gentle dishwashing soap.  The cloth should be wrung out well, leaving it damp.  Rinse your cloth frequently, change water, and add soap as needed.  Finish the cleaning, with a final wipe down using clear water.

Grand Chief Francis and Betty Kavanaugh live and lead with kindness and humour.

Maintenance of Sansin Finishes:

Your interior timbers are unlikely to require any finish maintenance for as long as you own your home.  Possible exceptions may be handrails or other timbers that are frequently touched (like a post at a high traffic corner). 

For your exterior timbers, maintenance is a routine that you will determine as you live in your home through many seasons.  The key to success and an easy maintenance cycle is to observe where timbers need help and to be pro-active in protecting them.  Sun and weather-exposure are the key determinants of where and when you need to apply a maintenance coat.  Keep an eye on your most sun-exposed posts, fascia, and gable trusses.  When you see a hint of cloudiness or fading in the finish this is your sign that a maintenance coat is needed.

Applying an exterior maintenance coat is straight-forward.  You can do this yourself or hire a company that specializes in applying exterior maintenance finishes.

  • Wipe timbers clean (see “Cleaning” instructions above)
  • Use 220 grit sandpaper or a super-fine sanding sponge and lightly scuff the surface.
  • Blow off or wipe with a soft cloth to remove dust.
  • Apply a topcoat of Sansin SDF Naturals in a ½ strength coat of your stain colour.

To purchase Sansin products:

Use Sansin’s online dealer locator.  Your local Sansin dealer can help you with the right tools and their extensive experience using paints and stains. To ensure that you purchase the correct stain, tinted to the proper strength, please contact your Cornerstone sales representative and request the details of the stain colour applied to your timbers.

Application Methods:

Be sure to read and follow the application instructions on the can. Stain can be easily applied by brush. 

Cornerstone’s favourite way to apply stain is with a synthetic lamb’s wool pad, edge stapled onto a block of wood. These pads are available at most full-service paint stores.  You simply dip the block with pad into your paint tray, remove any excess that might drip, and draw the pad along the timber, making sure you get good coverage, and watching for drips.  Keep a wet edge, back brush as needed and you’ll soon have the job done!

If you have any questions for anything not covered in this blog, feel free to contact us! 

Indigenous Peoples Day

Indigenous Peoples Day

National Indigenous Peoples Day is this Friday, June 21

This is a day recognizing and celebrating the cultures and contributions of the First Nations, Inuit, and Metis indigenous peoples of Canada.

We’re a tour group of eight: engineers, foresters, and timber advocates – all with open minds but little exposure to Indigenous life, history and worldview.  We spent the morning touring the Weyerhauser LSL plant NE of Kenora. The wood supply for this plant comes from land that is managed by a local First Nations resource management company called Miisun. It’s heartening to see First Naitons playing an active role in how their traditional lands are used and protected.  It feels like this could be the basis of a mutually respectful relationship.

Our tour guide for the day is Matt Wilkie, Weyerhauser’s local “Purchase Wood & Systems Leader”.  He’s a bright light, radiating personal warmth.  Matt loves getting people together to share their stories.  He wants us to see and experience one of his favourite places: a healing center at Bug Lake called Gamikaan Bimaadiziwin, Ojibwe for, “I will find my life again.”

Bridges are being built

Caught in cycles of harm or despair a person may reach a point where they know they need help.  For First Nations people, the Western ideas of clinical diagnosis, therapy and treatment can offer some relief, but it struggles to reach the deep disconnection and loss that often drive indigenous cycles of harm and pain. Five years ago, Elder Langford Ogemah had a vision for a place where those seeking recovery, could reconnect with their culture, learn skills, participate in ceremony, and draw on the power of the land and their place in it.  The program is voluntary and open-ended to meet the unique needs of each person’s journey.  And with typical Anishinaabe generosity, the healing center welcomes everyone, whether indigenous or not.

The road into Bug Lake is serpentine and bumpy. As we disembark, we’re greeted by Jackie Marcine and Dave Lindsay. Jackie is a healing guide who exudes a serene energy, while Dave, a Fish & Wildlife Officer for Treaty 3, is exactly the person you’d choose to have with you on a backwoods journey – a kindly teacher-guide, bundled within the power of a bear.

They show us around the camp. It’s mid-day and my stomach is growling. We visit the log yard where a horizontal bandsaw mill will eventually be sheltered under a roof anchored between double stacked sea containers. The mill provides construction lumber for the camp while offering practical skills to program participants.

Three 12’x20’ cabins, a ceremony lodge and a central roundhouse are nearing completion.  Architect renderings, on display in one of the cabins, suggests this Bug Lake campus will eventually be able to accommodate 25-30 participants and supporting staff.  By the time our tour is done, I’m beginning to feel famished.  What greets our eyes as we approach the Round House assures me that my hunger will soon be sated.

Big Kevin, a friend of the Center is here to get the lunch ready. He’s working off a table at the front of the round house, preparing fillets of freshly caught walleye. As we chat the battered fillets are going in and coming out of a pan of hot oil. They smell so good!

When the walleye is done, our group enters the round house, and we make our way to the food table.  In my hand is a plate of walleye, a wild rice salad, Bannock, and a green salad. And yes…my mouth is watering.

But what’s this, two late guests are arriving.  We’re being joined for lunch by Ogichidaa Francis and Betty Kavanaugh, two inspiring, heartful elders of the Treaty #3 nations. Ogichidaa means Grand Chief, and Francis was chosen as Ogichidaa through a traditional discernment process.  He’s dedicated 45 years of his life to serving the Anishinaabe Nation in Treaty #3. 

Grand Chief Francis and Betty Kavanaugh live and lead with kindness and humour.

It’s a huge honour to have the Kavanaugh’s join us, but my tummy is rudely suggesting I shove a big piece of walleye into my face before going to greet them.  I silently thank my mom for the power to resist this discourtesy.

When Francis and Betty are settled with food, we all begin to eat.  The food is just too tasty to describe here in a paragraph.  During the meal we hear about the history of the region, a people’s struggle to be treated with respect, the need for healing, and a future of shared prosperity and caring for the land.  The Anishinaabe of Treaty #3 live in 28 communities sprinkled across an area of 142,000 square kilometers in NW Ontario. That’s an area bigger than Greece or Iceland!

This land is rich in everything needed for life. A gift from Creator, to be respected and protected.

I’m taken with the sense that these are a people who are taking their lives back.  They are standing up as equals, bringing special insight into the multi-crisis that confronts all of us.  Their message:  we need to live in right relationship with each other and the land, and we must partake in loops of reciprocity, responsibility and respect that are the basis of walking a good path in life. 

We have much to learn, but I’m filled with hope, as we could not ask for better, more generous teachers.

Maintaining Your Outdoor Timbers

3 Rituals That Will Change Your Life!

Okay, the attention-grabbing subtitle could be a slight over-sell! Nevertheless, I think you’ll see there is a beauty to maintenance that can bring joy and satisfaction to those who do it. It goes along with the notion that as humans we are at our best as caregivers, fixers, and restorers. Studies in human health show that people who do mindful tasks and chores reap a series of benefits from a heightened sense of wellbeing to improved memory and creativity. So, consider these timber maintenance rituals as simply exercises in personal wellbeing!

Three Timber Rituals for Spring
1. Clean
Winter can be tough on home exteriors. Take a few minutes to do a “circle tour” of your
home and get a good look at your exterior timbers. If you wash your windows every spring,
this is also the perfect time to wash your timbers!
Prepare for Cleaning:
 Two Buckets, 15L (3 gal), fill one with warm water, adding a few drops of mild
detergent. Fill the second with just warm water, for
rinsing.
 Two microfiber cloths, large, one for each bucket.
 Rubber gloves
 Step-up / ladder to safely reach timbers.
 Alternative for hard-to-reach spots: a soft bristle car
washing brush on an extension pole.
Cleaning Tips:
 Let the microfiber cloth hold as much water as possible (“sopping wet”) for a first
pass over the upper faces of the timbers, allowing the excess water to help flush
away grit and dirt with the least possible amount of pressure. Repeat as necessary.
 Once the dirt is gone, switch to the rinse water. Two rinse passes with a sopping
wet and then wrung out “damp” cloth will finish the cleaning.
 Be sure to change water frequently. This will help you avoid streaking, so it’s worth
the effort!
 Let the timbers air dry. Inspect for missed spots and assess the condition of the
topcoat.
2. Add a New Topcoat


You’ll know it is time to apply a new topcoat when the lustre of your finish is getting dull, or
the finish is beginning to look cloudy. Sun exposure is usually the key factor in how
frequently a new topcoat is needed. Timbers in a shady spot under a roof, may never
need more than a cleaning, while posts with a lot of sun exposure will need more regular
attention. Adding a topcoat is easy.

Preparing for recoating:

 A can of Sansin SDF Topcoat, tinted to ¼ strength of your basecoat colour. You
can find this information on your “Finishes & Maintenance” page which is sent out to customers either before or just after a timber installation.

If you can’t find your stain information, call or email us, and we’ll be glad to look it up in our system.
 Regular painting tools: brush or lambswool applicator, tray, drop sheet.
 Fine sandpaper: 220 grit is ideal.
 A tack cloth or damp microfiber cloth.
Tips for recoating:
 If you completed the cleaning ritual you’re well on your way. If not, make sure
you’ve done that before continuing.
 When your timbers are fully dry, use the fine 220 grit sandpaper to lightly scuff the
old finish. This will ensure good adhesion of the new topcoat.
 Wipe down with your tack cloth / damp cloth to remove dust from the sanding step.

 For applying a new topcoat, the ideal time and day is when your timbers are in
shade and when the winds are calm. Avoid applying in direct sun or on windy days
that will cause the finish to dry too quickly, leaving brush marks and dry lines.
 Starting at the top, apply the Sansin Topcoat, back-brushing as you go to ensure an even coat. The idea here is to maintain what painters call “a wet edge”. The topcoat dries quickly so you want to complete a full face of a timber before stopping for a sip of coffee or answering a phone call. If you do pause mid-piece, you risk having a visible dry line, or obvious brush marks showing up in your finish.
 Keep an eye for any runs, especially at corners or where two timbers meet. Back
brush these promptly.
 You’re done! Wash up brushes with water.

3. Record
Quite possibly the easiest step… to forget!
What to record:
 Use your phone and take photos of the areas you recoated. Not only does this feel good, but it will also help you remember the timbers you top coated and provide a
date for when you did the work.
 Also write down the date and details on your “Finishes & Maintenance” page and
store that in your home projects file where you will easily find it again. Backups are always a good idea!

That’s it! Thanks for being the maintenance finishing hero that you are!

If you have any questions about timber maintenance, we’re here to help. We also enjoy hearing about our client experiences with maintaining their timbers. Be in touch and let us know about your experience.

Interview with Doug Kehler

Interview with Doug Kehler

Finishing Department Manager
Timber Purchases + Logistics

Get to know our Cornerstone Team!

Today, we are happy to share a candid interview with Doug Kehler, who is the Finishing Department Manager, Timber Purchaser, and Logistics expert at Cornerstone Timberframes. Doug has been an integral part of our team since 2018, and we cannot wait to introduce you to one of the important people responsible for our successful projects. 

We hope you enjoy reading this interview and getting to know more about our team and their passion for their work.

What is your role at Cornerstone?

I was hired to manage the Finishing Department in 2018, but recently I have added the job of purchasing timber, tongue and groove boards, fasteners and organizing the shipping and receiving for the company.

The day-to-day work inside our Finishing Department is now taken care of by Agnes.  She sees that the right finish gets applied and takes care of how that happens. I manage the workflow of jobs coming into the shop and make sure that Agnes has all the information she needs and support for HR issues.

What did you do before coming to work for Cornerstone?

I worked for 17 years in concrete forming, getting ICF walls set up for pouring.  Most of that time I worked as a trade for a general contractor, but also worked as a GC myself and spent a couple years running a company with my brother-in-law.

Tell us a little about your early years.  Did you grow up in this area?

Our family ran a small beef farm a few miles south of Steinbach, near a place called Friedensfeld.  In high school I enjoyed the shop program and especially enjoyed carpentry and construction.  My Dad encouraged me by purchasing lumber and letting me build sheds and shelters and other stuff on the farm.

Coming out of high school, I worked at the ice rink in Mitchell for a couple years. The rink is the social center for Mitchell. I made strong connections with people there and got to know the Peters family well.  They were big into hockey.  My youngest sister was good friends with Tanya (Peters) Bachmeier, having gotten to know each other through ringette.  Nevin Bachmeier was always around the rink too, with his brothers playing a lot of hockey.

You’ve got a close connection to Haiti, and it has a big place in your life. Why is that?

In 2017 a friend of our family went down to Haiti to start a foster home, because there were lots of kids on the streets without parents or anyone to care for them.  A bunch of us went down to help them get set up.  I spent a couple weeks building furniture and doing repairs.  Seeing the situation there, first-hand, was eye-opening.  We adopted a boy and a girl, and it took a while for them to get here.  She’s 14 years old and doing great.  Like a typical girl her age, her friends mean everything to her.  Our boy is 17 and he impresses us, more mature and wiser than his age, and making good choices.

What are some of the challenges you face in your work?

People: finishing work is demanding and you’re doing a lot of the same thing, but you need to keep on top of it, maintaining a high standard.  Not everyone is up for that.

The other challenge is the size of the jobs we’re doing, the overall project size as well as the individual pieces, both keep getting bigger.  When our finishing shop was built in 2018, it seemed large, but we now need more space.  Case in point – we currently have a job with pieces so big and heavy they can’t be handled in the finishing shop. We’re working on them in the Production Shop, which is kind of bunging up their workflow. Instead of handheld sanders, we’re using floor sanders!  The pieces are wider and longer than a lane in a bowling alley!

What surprises you most about what you do now, and what you’ve learned in your job?

When I think about what I did before, construction and concrete forming, and what I do now, working with colours, that’s kind of amazing.  Like a lot of guys, my wife would let me know that sometimes my clothing choices were hard on the eyes, “So, you’re wearing those two together!?”  And now, customers come in with a colour they want matched, and I’m telling them, so that’s a warm brown colour and to get that on douglas fir, which has a red undertone, we’ll need to pull in some green…”  For an old construction hand, that’s probably been my biggest learning curve. Go figure how that ever happened!

What are you looking forward to in the coming year?

With all the big jobs my focus is going to be maintaining and improving workflow. 

On the shop front, there’s been talk of adding more space, but that’s a big item so we’ll see what happens there.  One thing that is helping extend the use of our current space, is the new sander that got added to the production shop this past winter. It’s reduced our sanding time by 60%, so that means we can get more through our shop in less time.  That helps, though eventually, on this growth curve, we’ll need more space.

A lot is about doing whatever is needed in the moment.  I’ve owned my own company for 15 years, so I learned to roll with the punches.  It may not look like there’s enough time, but jumping on a truck to make a delivery, if that’s what the company needs, you do it.  There’s always fires to put out, and you just take them on, starting with the biggest and doing your best to get to all of them.

Thank you Doug for the work that you do! We are so pleased to have you on our team.

May 11th is National Windmill Day

May 11th is National Windmill Day

Windmills are quite possibly the most interesting buildings made by humans. They reflect our human ingenuity and beautifully display our ability to work cooperatively with nature.  A curious mix of building and machine, windmills are a showcase of math, engineering, and refined carpentry skills!

Plan for the 1972 Steinbach Windmill
At 28 years old, summer 2000.

The Dutch, of course, are famous for windmills and rightly so.  While windmills were built around the world by many civilizations, it was in the Netherlands that they reached their highest point of technological achievement. Today, there are still hundreds of them in the Netherlands, mostly dating from the 1400’s to 1800’s and many are still operating, pumping water, grinding flour, and cutting lumber.

Technology travels well.  The Mennonites who settled in Steinbach, Manitoba in the 1870’s, built a windmill based on knowledge handed down through generations.  It only served a few years before being replaced by a steam powered flour mill. A replica mill, built in 1972 at Mennonite Heritage Village, was destroyed by fire in October 2000. That was a big shock to the community.  Thankfully, the Steinbach windmill was rebuilt over the next year by Cornerstone Timberframes and the Dutch millwright company, Verbij Hoogmade. As you can see in the photos below, it was a fun and challenging project!

Windmills are a joy to see operating, the sails swinging through the sky, wood gears and shafts spinning and the sound of the big millstones grinding wheat into flour. There is a real beauty to be found in things that are well-made and that serve a good purpose.

July of 2001: the windmill tower is up!
August: the 12,000lb cap is installed.
Freshly ground flour is sold every summer at the Mennonite Heritage Village in Steinbach

Of course, windmills need regular maintenance. With so many parts being made of wood, like the Steinbach mill, there is no end to the cycle of painting and refurbishment.

Cornerstone maintains a close connection to our local windmill.  Our technical services leader, Gary Snider, spends many hours a month, checking, lubricating, adjusting, and repairing.

This week we are joined by Gerard Klein and Lucas Verbij, Dutch millwrights who will undertake the specialized work of adjusting the mill’s windshaft and running gear.

Gary checks on the condition of the sails.
The big spur gear up in the cap is a marvel.

Happy Windmill Day! 

Cheers and hats off to the people who keep these magnificent building-machines alive for all of us to enjoy. Head on over to our Instagram to learn more!

Earthrise 2024

Earthrise 2024

“Earthrise” taken on December 24,1968 by Apollo 8 astronaut William Anders - Public Domain.

A fresh perspective can be life changing. Fifty-five years ago, this image met the crew of Apollo 8 as they orbited the moon. The astronauts were in awe as they scrambled to find a roll of colour film for Bill Ander’s camera.  

The photo that Bill Anders took, shows Earth, set in the vacuum of space above a cratered, lifeless moon surface. How does this image make you feel?  What thoughts does it give rise to, about this planet, about life, and your place in it?

For many, an image like this brings up complex feelings: empathy for Earth, a sense that we don’t get how special our home is, that there must be a way for people to treat each other better, that life is beautiful, so fragile, and rare.

All our individual and collective actions speak to how we view our Earth home.  On balance, it can be argued that our species has been unkind to the living world and the planetary support systems upon which all life depends.  This must change and it’s why we mark Earth Day and consider our role in bringing about positive change.

On a planetary scale, any single action seems trivial, almost worthless.  But if we worked ourselves into trouble by a few billion unwise actions, we must find our way out by billions of responsible actions, no matter how small.  Everyone has a part.  

At Cornerstone Timberframes we’re actively working on several fronts, to bring about positive change.  Here’s our Earth Day update on what we’re doing:

  • In 2017 we started working with mass timber, which allows for a low-embodied carbon approach to commercial construction.  Mass timber also provides for faster construction while storing large amounts of carbon in the finished building. By 2030 we expect that 75% of our projects will be built with mass timber.
  • Our joinery and finishing shops use a lot of electricity – equal to what 44 Manitoba homes need in a year!  We’re preparing to go solar. This will free up power during peak daytime hours for use in homes, businesses and in the transition to EV transportation. 
A second use for roofs: this is what 375 Kilowatts looks like!
Touring a harvest area in the Trout Lake Forest, near Ear Falls, Ontario
  • Last year we changed our purchases of engineered wood products to 100% FSC (Forest Stewardship Council) certified wood. This category of wood makes up an increasing share of our production.  FSC sets high standards for preserving the forests that provide the timber we use.
  • In 2024 we’ll be addressing our wood waste stream that currently needs to be hauled away.  We’ll be using it in a high-efficiency boiler to heat our shops, reducing our reliance on electricity, and ending our need for natural gas.
  • Cornerstone encourages employees to carpool or use active transport whenever possible. Uptake for both initiatives has been good, but we can still do better.  Spring is a great time to tune up our bikes and commit to using the car a little less.
  • In March we joined WoodWorks Ontario, the Canadian Wood Council, and the Ontario Forest Industry Association, to visit sawmill and harvest areas in NW Ontario.  What we found was inspiring.  More First Nations are managing forest lands, deciding how the forests are harvested, renewed, and protected for future generations.  The sawmills we visited have more women in leadership roles and more employees from under-represented communities. Welcome changes that move us toward the world we need.

Being good to our planet also brings good things into our lives. Here are a few of our favourite small-scale ideas that Cornerstone employees are working on in their own lives and communities:

  • Volunteering at the community bike repair shop.  Helping more folks get back onto their bikes, or onto their first bike! 
  • Planting fruit trees in our shop yard (apple, cherry, pear…). Beauty and food combined.
  • Replacing more of our lawn with native plantings like highbush cranberry, milkweed, bluestem, gallardia, wild raspberry. It’s amazing how the butterflies find it! 

At Cornerstone Timberframes, we believe in using Earth Day as an opportunity to evaluate our practices and strive towards being better. We hope that this inspires you to do the same!

Inside Our Shops

Inside Our Shops

Technology, People, Diversity, Respect

Cornerstone’s roots run deep in the soil of traditional timber framing. From the company’s inception in 1991, the founding Peters brothers maintained a steady focus on technical excellence and quality.  Complementing their deep respect for traditional skills and methods, an interest in finding “better tools”, allowed them to see that new materials, digital design and state of the art equipment did not threaten the craft but freed it to be so much more.

Pete & Wayne Peters, timber frame experts and owners, 1991-2015

By the time Cornerstone began its foray into mass timber construction in 2017 it was clear that the company was ready to automate much of its cutting. Under new owners, Tanya (Pete’s daughter) and husband Nevin Bachmeier purchased our first Hundegger K2, a used CNC machine that quickly proved its worth.  Within three years the limitations of this machine were reached and a new, K2 Industry with Robot Drive was ordered, arriving in mid-2022.

The CNC technology in the latest generation of machines is especially impressive for the range of cutting tasks they can perform, their speed and exceptional accuracy.  Imagine a 24” flangeless saw, a 5-axis universal mill, a slot cutting tool, a drilling unit, and a 6-axis robot with access to a rack of 24 specialized tools, all working from a 3D mass timber model that has been checked for compliance with the architect’s BIM design.

The K2i + Robot Drive can do the work of fifteen carpenters with zero errors and millimeter accuracy.
High quality, dimensionally accurate timber is the starting point for every job entering the shop. An automated, four-sided planer designed for large, long timbers is an essential partner to the CNC.
The K2i can handle timbers up to 60’ long, 12” high by 51” wide. Timbers are checked as they enter the K2 to identify and adjust for any variance that might affect connection accuracy.
With long timbers, a traditional forward facing forklift doesn’t work so well. Omni-directional and side-running forklifts have been a great addition to our shop.

A common criticism of modern wood-working technology is that it replaces people and discourages those left behind from retaining craft skills.  Our experience has shown this to be unfounded: we employ the same number of carpenters as we did before our first CNC arrived.  Injuries and repetitive stresses are reduced, and the variety of creative work and skills being learned has only increased. 

Modern timber framers are comfortable with computer modelling, they’re familiar with a wide variety of tools and techniques and are better able to see the whole project.

Our shop is a meritocracy: skill and cooperation lead to personal and group success
And while CNC cutting can do almost everything, there are a few details that still look better when a human hand guides the saw. A 30’ long chamfer, cut at precisely 26.6 degrees.
When every piece is unique but appears similar, good labelling is vital. New RFI tags incorporated into nails may eventually make these labels redundant.
Not automated. Our dedicated finishing shop hand applies three coats of stain to every timber. Robotics for finishing is widely available and will eventually manage the range of sizes and shapes we produce for our structures.

Cornerstone Timberframes will always seek out and embrace “better tools”.  Our choices will be shaped by our people, a respect for our craft and a love of wood.  The mass timber revolution is going to change our company, but only for the better.

Noise in the Neighborhood

Noise in the Neighborhood

By Gary Snider

While visiting Germany this spring, I found myself standing at a busy intersection, waiting for the pedestrian signal to change.   A large group of motorcycles approached, went past, then accelerated as they cleared the intersection.  It took several seconds before I realized why the experience felt so odd… the motorbikes were all whisper quiet.

The subject of noise came up a few times that week and I learned that the German public has a much different set of expectations around noise than we do in North America.  They see noisemaking like they do littering, it offends the “public good” and is simply not tolerated.  In Germany, the government sets limits on noise and the penalties for those who fail to curtail it are significant. This “no messing around” approach to limiting noise flows into how they build, especially in places where people must live close together.

During a tour of a new apartment building under construction, our host explained, “We never want to hear our neighbours. No one will want to live in a place where footsteps or music can be heard from another apartment.”  

To illustrate this, he went to the unit directly above the one we were in and he jumped repeatedly, landing with as much force as he could. He was not a small person – but we heard nothing. Clearly, something in the design and materials used in this building were making a big difference. (See the blog “Big Wood Wall” for a description of the building system used in this multi-family apartment).

Coming back to Canada, I’m paying more attention to the sounds I hear at home and work.  The neighbour’s idling diesel truck, five doors down, can be heard in my living room.  The concrete plant 100m from my office makes a humming sound that enters even when my office window is tightly sealed.  My noise list is growing and I’m aware that low frequencies have no problem passing through 2×6 walls and even triple-pane windows.

Noise Reduction by Design

If the health benefits1,2 of a low-noise home are important to you, here are four key ingredients you’ll want your designer to include in your plans:

1) Reflect – hard, smooth surfaces bounce sound waves better than soft and textured surfaces. This is a good starting point for the outermost (cladding) layer in your wall assembly.

2) Gap – Sound is a vibration and air is a poor conductor.  By adding an air void behind the cladding, the “survivor” sound, that gets past the reflective layer, has to “jump” through a low-density space.  The means of creating the gap is all-important: small contact surfaces, light connector materials and vibration damping washers and membranes are your key to connecting your exterior cladding to the structure.

3) Absorb – insulating materials in this group are soft and compressible.  They receive the incoming sound vibrations and break them up into smaller waves that bounce repeatedly in a maze of tiny spaces within the material.  Mineral wool and wood fibre insulation are highly effective examples of this type of material.

4) Mass – heavy, solid base materials like a CLT (cross-laminated timber) wall are hard to vibrate, even at low frequencies, and make a good “base layer” in a wall assembly. Sound waves weakened by a journey through the first three barriers have little energy left to shake a dense CLT wall panel.

About CLT’s: They came onto the building scene in North America in 2010 and gained quick acceptance in multi-storey residential construction. They’re precise, strong, go up fast, and make an excellent base for noise deadening walls. And an extra bonus: a CLT wall provides you with nail base everywhere!

Cornerstone Timberframes specializes in sustainable wood products. Our first CLT project was the Eagle’s Nest cottage, built in 2017.  

Ask us about Nordic Structures CLT wall panels, for your next project!

1 Passchier-Vermeer, 2000, “Noise exposure and public health”
2 Babisch W. 2002.  “The Noise Stress Concept”, in Noise Health 5 (18) 1-11

Wood is the Way Forward

Wood is the Way Forward

Wood is part of a virtuous, circular bio-economy and Canadian forests can play a significant role in our response to climate change.

  • As forests grow, they absorb and store carbon dioxide (CO2).  Together with our oceans, they have been our planet’s thermostatic control for eons.

  • When a mature tree is harvested, it makes space for new trees to grow which will capture more carbon.  No carbon capture system humans can devise is as beautiful, simple, or as efficient as a tree.
  • The math: A tree is about 50 percent carbon, by dry weight.  One cubic meter (m3) of softwood weighs 500kg on average, so it will hold 250kg of carbon.  When carbon (atomic weight 12) is oxidized, it picks up two oxygen atoms (atomic weight 16) to become CO2, so every kg of carbon will generate 3.67kg of CO2.  Therefore, a m3 of wood holds nearly a tonne of CO2, 917.5 kg to be exact. (Credit: Arno Frühwald, Univ. of Hamburg)

     

  • Products made with wood extend the storage of carbon for decades and centuries.  Many aesthetically pleasing wood products, like mass timber, will have “after-life” uses in other buildings, furniture, and as feedstock for new engineered wood products.

  • When wood is used in place of concrete, brick, steel or plastic, carbon emissions are significantly reduced.

  • Wood provides a path to a sustainable future. It is the responsible way to build.
Mass timber makes for visually delightful spaces with large carbon storage benefits.