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Net Zero Energy Retrofit in Vermont - Ready for Roxul

Perfecting an Energy-Efficient Haven in Vermont

It’s a pleasure to work with architects to solve the challenges of retrofitting existing structures. When they specify ThermalBuck for their own personal projects, it becomes a real privilege.

Alan Benoit, Principal Architect, Sustainable Design of Vermont, chose ThermalBuck to mount his energy efficient windows for his net-zero energy office space, and we jumped at the chance to work with him personally on the installation.

 

A Passion for Sustainability

Alan & Nancy Benoit are an incredibly talented team. Alan is an award-winning certified Passive House Consultant & Architect, Nancy is a skillful designer of everything from footwear to furniture.

Together they focus on utilizing reclaimed and repurposed materials for their personal passion project: the inviting home, garden, workspace, and guesthouse they’ve created together on their remarkable homestead in Vermont.

“Be patient. Never settle if it’s not right.”
– Nancy Benoit, as quoted in Vermont Magazine

There is a reason their work stands out, and you can see why in the philosophy that guides them. Everything is built with respect and consideration for preserving and stimulating the natural environment, promoting a harmonious lifestyle in an inspiring setting.

Vermont Magazine recently featured their beautiful spaces in their Sept/Oct 2017 issue – you’ll love seeing the details and reading in-depth about their design process.

 

Sustainable Design of Vermont

 

We could get used to sustainable living.
We could get used to sustainable living.

Sustainable design is the focus of their work, whether new construction or a simple addition to an existing structure.

In addition to running their own businesses, Alan is extremely active in the Vermont green building community, and volunteers his time and knowledge through his Sustainable Living Series.

When you work with people who live & breath sustainability, even lunch is a treasured experience, with homegrown tomato sandwiches fresh from the garden.

 

Net-Zero Energy Retrofit

Local architects, builders & craftsman watch the ThermalBuck installation in Manchester Center, VT.

In 2017, Alan & Nancy decided to relocate their growing business to the beautiful barn they had build a decade ago on their property.

It was time to plan a full blown net-zero energy redesign, capable of meeting their needs year round. 

They planned to insulate the interior and exterior walls, insulate the roof, and install new energy efficient windows, mounted with ThermalBuck. Complete air & water sealing for a tight building envelope is essential in achieving net-zero energy.

Working in conjunction with building materials supplier RK Miles, Alan arranged a demonstration of ThermalBuck for local architects, builders, and fellow green-building enthusiasts. We couldn’t have asked for more when Alan gave us his feedback on using ThermalBuck to mount windows with exterior insulation.

“We are now specifying it on all future projects.
What a time/labor/material savings it is!”
– Alan Benoit, Architect, Sustainable Design of VT 

Materials 

  • 2.5″ ThermalBuck high performance window buck
  • 2″ Roxul Comfortboard
  • Henry Blueskin WRB & Flashing system
  • 5-1/2″ dense packed cellulose on interior walls
  • 2″ foil-faced polyiso for the roof slope, 3″ for ceiling flat
  • 1″ closed cell spray foam for the roof
  • 9″ dense packed cellulose on the remaining roof slope & flat ceiling cavity
  • Marvin Integrity casement windows

 

Details Make the Difference

2.5″ ThermalBuck prevents compression of the Roxul, and insulates the rough opening.

Knowledge of building science is especially important on retrofits, as installation details often require modification based on the uniqueness of the project.

Alan & Nancy wanted to reuse their vertical cedar siding, which meant running the rainscreen horizontally. Drainage would not be an issue, as Alan planned gaps every 2′ for ventilation, and has a screen at the bottom, and vented space at the top of the walls.

Roxul permits water to drain through it as well, allowing the horizontal strapping to properly dry out. The building will have a HRV system, and the Benoit’s have planned to utilize a community solar project in order to achieve net-zero energy.

The barn renovation is projected to be complete in December, 2017. It was inspiring to work with Sustainable Design of Vermont, and we look forward to following Alan & Nancy on the rest of their net-zero journey.

 

ThermalBuck Installation Gallery

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Sustainable Design of Vermont is presenting their next Sustainable Living Series on November 16th, at 6:30 pm at the Manchester Center Vermont Public Library. Alan will explain the major elements of “Building Science”, in hopes of helping homeowners avoid common mistakes with renovations. To learn more, visit sustainabledesignofvt.com.

 

New ThermalBuck Sizes Available – Up to 4″

NEW BETHLEHEM, P.A. — (September 2017) — BRINC Building Products, Inc. has recently expanded it’s ThermalBuck product offerings to include additional sizes up to 4.0″, to meet the needs of architects and builders constructing walls with greater depths of continuous insulation.

With the rapid adoption of advanced energy codes across the U.S., and the increasing demand by consumers for energy-efficient homes, the market for exterior insulation and higher R-value wall assemblies is growing exponentially. 

 

ThermalBuck Continuous Insulation

“Builders have been so receptive to ThermalBuck because it’s such a simple, effective solution to the challenges of installing windows with foam,” said BRINC President, John Brooks. “But we kept hearing from customers in the net-zero and passive house markets who wanted to use ThermalBuck, yet are building walls with above-code exterior insulation and needed more sizes.” High-performance builders generally utilize a combination of interior and exterior insulation to achieve the desired R-value of the wall assembly.  

ThermalBuck is a proven solution for builders trying to solve the challenges associated with installing nail flange windows with continuous insulation. It extends and insulates the mounting points of windows & doors to create a flush plane for cladding.

The unique “L” shape goes inside the rough opening, and extends outward to match the continuous insulation and/or rainscreen depth. It supports the window and allows structural attachment, transferring shear and wind loads to the framing. Made of a high-density EPS with a waterproof coating, ThermalBuck comes in 8′ lengths and is cut to fit on site. ThermalBuck also acts as an additional air & water barrier at the rough opening, simplifying flashing with exterior insulation.

 

“Expanding our product line up to 4″ to accommodate wall assemblies with thicker insulation allows us to better serve high-performance builders.”

-John Brooks, President, BRINC

ThermalBuck R-Value Range 4.4 – 17.6

ThermalBuck originally launched in the fall of 2015 with depths of 1.0 ”, 1.5”, 2.0”, and 2.5”.  The additional sizes, 3.0”, 3.5”, and 4.0”, allow more architects and builders to incorporate ThermalBuck into their plans for high-performance wall assemblies. To view detailed drawings of each of the seven sizes of ThermalBuck, see product dimensions. 

“Our customers appreciate the additional opportunity to increase the R-value of their wall assemblies by adding up to 17.6 (R-value) around rough openings”, Brooks continued. “Utilizing ThermalBuck has significant impact on the energy-efficiency of the entire building envelope, reducing the thermal transfer through rough openings by 2:1 over traditional wood bucks.”

To learn more about energy-code adoption by state, visit the Building Codes Assistance Project. To read more about continuous exterior insulation, see what the experts at JLC online recommend as best practices. For great advice on choosing the right wall assembly, visit greenbuildingadvisor.com.

 

ThermalBuck Performs at the 2017 PCBC

The biggest builder’s show on the west coast lived up to the hype – we had an amazing experience in San Diego at the 2017 PCBC. ThermalBuck was fortunate to head into the show a Parade of Products award winner (featured in the May 2017 issue of Professional Builder Magazine) and a presenter in the High-Performance Home Theater. But the real excitement started when we hit the tradeshow floor.

High Performance Wall & Attic Display

ThermalBuck was a featured product in the High Performance Wall & Attic display, designed to show homebuilders a variety of innovative building envelope products & methods they could use to comply with the 2016 Title 24 Energy Efficiency Standards.

Watch as energy-efficient building consultant Nick Brown of Build Smart Group walks us through the exterior of the High Performance Wall & Attic display, built by Reliable Lumber of Huntingdon Beach.

WATCH: High Performance Walls & Attics – California Title 24 PCBC 2017

Other products featured in the display included Sierra Pacific windows, DuPont Flashing, RMax insulation, Parex One-Coat Stucco, Sun Power solar panels, and more. The display & home-theater presentations were the result of a collaboration between the California Homebuilding Foundation (CHF), California Energy Commission (CEC) and the Workforce Instruction for Standards and Efficiency (WISE) program. The WISE program brings high performance building training to residential builders in California, and plays a significant role in the success of energy-efficient code adaptation in the state. To learn more about upcoming WISE events & initiatives, visit wisewarehouse.org.

“On the House” Radio Spot with The Carey Brothers

Next up was a quick-spot on The Carey Brothers “On the House” radio show, which featured ThermalBuck as one of the “latest and best products” from the PCBC show.  We were in great company with Ply Gem, OXX, Air King, and Boral Roofing to name just a few. The Carey Brothers were very knowledgeable, and great fun – we really appreciated the opportunity to connect with their listeners.

“You need to look for builders who are using products like this – because this is one of the most common leak spots in the home.”

-The Carey Brothers, PCBC 2017

 

READ:  onthehouse.com 

ThermalBuck Named “Innovative Product of PCBC” by Products Magazine

Products Magazine for Residential Construction Professionals

When we said that we had an amazing experience in San Diego, we weren’t kidding!

Last but not least of our highlights from the show was our visit from Nigel Maynard, Editor of Products Magazine, for residential construction professionals. Nigel wrote about the top 8 products that “caught his eye” at the show, and we were proud to have gotten notice as one of the standouts from the show. The list featured a mix of interior and exterior products, including PURewall by Covestro, Stretto door hardware by Emteck, and the new Smart All-in-One Care Washer & Dryer by Whirlpool. Take a look at the complete list here.

The Pacific Coast Builder’s Conference (PCBC) is the largest homebuilding trade show on the West coast. Over 10,000 homebuilders, architects, contractors, remodelers, engineers, and manufacturers will converge in San Diego June 27th-29th, 2017 for this year’s event. Originally known as the “Pacific Coast Builder’s Conference”, the PCBC show has grown since 1959 to attract attendees from all over the world. 

PCBC Photo Gallery

Here’s more of what was happening at PCBC 2017 – don’t miss the show in San Francisco in 2018!

Close-Up of Sierra Pacific window mounted with ThermalBuck
Universal Product Display
PRODUCTS magazine editor Nigel Maynard discovers ThermalBuck
ThermalBuck with stucco cladding
ThermalBuck booth
Did we mention we won a POP award???
We definitely see the benefits!

 

 

ThermalBuck to Present at 2017 PCBC High Performance Home Theater

 

The largest homebuilding trade show on the West coast, the PCBC, will be held June 28th-29th in San Diego, California.

Originally known as the “Pacific Coast Builder’s Conference“, this event has grown since 1959 to attract over 10,000 attendees from all over the world.  

High Performance Home Theater

One of the unique features of the PCBC is the High Performance Home Theater. Held right on the exhibit floor, it focuses on educating attendees about multiple compliance methods for changing energy codes, particularly the 2016 Title 24 Standards mandating High Performance Walls & Attics. 

ThermalBuck presents “Solving the Challenge for Builders: Window Installation with Continuous Insulation” as part of the High Performance Home Theater on Thursday, June 29th, 2017. Mark your calendars for 11:30 am, and join us to learn more about how ThermalBuck can simplify your window installation with continuous insulation, and limit thermal bridging in the building envelope.

View a complete listing of High Performance Home Theater presentations here. 

PCBC – The Art, Science + Business of Housing

Thousands of homebuilders, architects, contractors, remodelers, engineers, and manufacturers from the US, Canada, Mexico (and more than 25 other countries) will meet in California to discover the latest trends in homebuilding innovation.

Not only does the trade show floor feature over 350 exhibitors, the Parade of Products and the High Performance Home Theater, it also offers purchasing agents two different buyer events to maximize their time and focus on meetings with the manufacturers of their choice. 

The National Buyers Circle is an invitation only event, while The Key Buyers Club is open to all exhibitors. To learn more about the differences between these two programs, click here.  

Unique to the PCBC, is the endorsement by the Leading Builders of America (LBA). Teams of national and regional buyers from 20 of the largest publicly and privately held homebuilders in the US meet with PCBC exhibitors, and collaborate to develop the high-level programming for members in the invitation-only, Leader-to-Leader Forum.

The show is sponsored by the California Building Industry Association (CBIA), a statewide trade association dedicated to “building California’s economy by providing quality environmentally responsible housing, creating tens of thousands of good paying jobs, and generating billions in state and local revenues”.

 

Join ThermalBuck on the Exhibit Floor

Consider attending the 2017 PCBC, and see for yourself how this event provides unique opportunities for homebuilders and manufacturers to connect.

Get your FREE exhibit floor pass (use promotional code HANK17), and visit us at Booth #120 June 28th & 29th. You’ll leave the PCBC feeling inspired about the future of energy-efficient building.

View a complete schedule of events, and register to attend the 2017 PCBC here. Plan your visit to the San Diego Convention Center by viewing this complete list of exhibitors on the 2017 PCBC floor plan.

ThermalBuck Installation Demos @JLC LIVE 2017 – Get Your Free Pass & Join Us!

ThermalBuck is headed to JLC Live 2017 on March 24th & 25th at the Rhode Island Convention Center, in downtown Providence.

And we’d like you to be there too!  

JLC Live New England is widely known as the best hands-on construction show in the business. Focused on live product demonstrations and popular building clinics, this show stands out as a great training arena for builders who want to fine-tune their building science knowledge and installation techniques.

Two packed floors of exhibitors await the thousands of builders in attendance, and three days of educational sessions open to all attendees. Register and enter promotion code 61106 to print your FREE PASS!  

 

ThermalBuck Installation Demonstrations

Don’t miss ThermalBuck’s live installation demonstrations at Booth #117 each day at 10:30, 12:30, and 2:30 pm.  See firsthand how simple and consistent window installations are when using ThermalBuck. It solves many of the common challenges wood window bucks create when coupled with exterior insulation.

 

JLC Exhibit Hall

Check out the full event program for a complete listing of clinics, demonstrations, and events that you won’t want to miss.  Add to your to-do list Moisture Management through proper window installation and flashing, taught by industry veteran Bill Robinson of Train2Build. Builder Peter Heard, of North Country Carpentry and Restoration Inc. will be showcasing new installation requirements for the Building Envelope.

All work and no play is never a good idea, and plenty of fun is on the schedule.The key networking event is the Welcome Party Friday from 5-6pm, sponsored by Andersen Windows & Doors. Several happy hours and meet-ups offer great opportunities for fellow attendees and speakers to connect and relax.

Since the March weather feels a lot like winter, take a few days off of the job site to expand your knowledge and invest in your training and skills in New England. The payback will be worth it.

JLC LIVE presents multiple shows across the U.S.  The signature show is JLC Live New England, held every March on the east coast.  Out west, you’ll want to attend JLC LIVE Northwest, held in December in Portland. The Remodeling Show & Deck Expo features a more intimate format, and is scheduled for Nashville in October 2017.    The official media sponsors of JLC LIVE include The Journal of Light Construction (JLC),  Tools of the Trade, and Remodeling magazine.  

Continuous Insulation – Making the Right Choice

If you’ve made the decision to include continuous insulation on your building, it’s time to pat yourself on the back.

The International Energy Conservation Code (IECC) has required continuous insulation since 2012. When the building envelope is insulated on the outside, it not only improves the energy efficiency, it also helps to reduce the possibility of moisture damage through thermal bridging.

WATCH:  ThermalBuck installation using polyiso CI  

Which type of continuous insulation should you choose? Good question.

Each type of insulation has different thermal properties, costs, features, and installation requirements, so you really need to consider what matters most in your application.

ThermalBuck is compatible with all types of continuous insulation, and will simplify the installation process.  It solves many of the common challenges builders find when installing windows with continuous insulation, and make the installation more energy-efficient by insulating the rough opening – typically a source of energy-loss in the building envelope. 

Types of Continuous Insulation

There are three main types of continuous insulation: rigid foam, mineral wool, and cork. The most widely used is rigid foam, which is split into three main categories: EPS, XPS, and Polyiso.

Expanded Polystyrene (EPS):  R-4 per inch

EPS is the most commonly used rigid foam. While it has the lowest R-value, it’s also the least expensive around .31 cents per sq. ft., which makes it a favorite for code compliance within budget. EPS does absorb water, and has the lowest compressive strength of the rigid foams.

Structured Insulated Panels (SIPS) and Insulated Concrete Forms (ICFS) are comprised of EPS. Insulfoam, a division of Carlisle Construction Materials, is largest manufacturer of block-molded expanded polystyrene (EPS) in North America.

It is important to note that EPS should be used over housewrap, and supported by OSB or plywood when used as sheathing.  

 

Extruded Polystyrene (XPS):  R-5 per inch

Many green builders discount XPS right off the bat, because it is the least environmentally friendly option. It contains the flame retardant HBCD, and its blowing agents have high global-warming potential.

However, with it’s higher R-value and moderate pricing at .47 cents per sq. ft. it is widely used. It’s stronger than EPS, and more water resistant, making it a preferred choice for under-slab and below grade applications.

XPS is available faced or unfaced, which affects the vapor permeability. Owens Corning Foamular “pink board” is some of the most widely recognized XPS on the market.

 

Polyisocyanurate (Polyiso or ISO):  R-6.5 per inch

Polyiso is the most expensive of the three types of rigid foam, as much as .70 cents per sq. ft. for a 1″ thick panel. However, the higher R-values often make the added expense worthwhile in the long run.  All polyiso is faced on both sides, most often with foil.

Polysio is considered the most-environmentally friendly of the three foams. It does absorb water, and generally cannot be used below grade. Johns Manville is a leading manufacturer of polyiso foams.  

One of the primary benefits of polyiso, is that it can often be used as a WRB behind your cladding. While it may cost more upfront than EPS or XPS, not installing a separate WRB component can save a considerable amount. It really depends on your climate, if this feature will be a long-term benefit, or present a building science challenge. 

 

Mineral Wool:  R-4 per inch

When you think mineral wool, you think of Roxul, easily the best known brand on the market. Mineral wool is also known as stone wool because it is made of basalt rock and steel slag, making it a favorite choice of green builders.  Easy to work with, fire-resistant, sound resistant, and water resistant. It’s the only insulation recognized by code as a firestop.

ComfortBoard is Roxul’s exterior insulation.  With an R-value of 4, it is lower than most rigid foams, however, there is no reduction in R-value over time, which will happen with foam insulation materials that rely on lower-conductivity blowing agents that slowly leak out or allow air to leak in.

Mineral wool is highly vapor-permeable and easy to install. Roxul is approximately .64 cents per board foot. 

 

Cork:  R-3.6 per inch

Thermacork, is the most widely recognized an all-natural rigid insulation material made from expanded cork. It offers excellent acoustic control, is highly durable, has high vapor permeability, and meets fire-safety requirements without flame retardants. It is labeled Red List Free for use in Living Building Challenge projects.

Cork is by far the greenest of the green in the insulation category, but it’s significantly higher cost and limited availability make it more of a niche product.

It’s important to take your specific climate into consideration when evaluating building materials.

EPS and XPS increase in R-value as the temperature drops.  A great thing if you’re in Wisconsin. However with Polyiso, the R-value actually decreases when the temperature drops. Not such a great thing when you’re in Wisconsin.

To choose the best continuous insulation for your project, analyze all of the variables: performance needs, climate, building codes, and budget.

No matter which continuous insulation you choose, proper installation is critical to achieving the desired performance.

Our energy-efficient homebuilders in Utah, Thomas & Melissa Griffiths, did extensive research on the features and benefits of the different types of exterior insulation, and decided on Atlas EnergyShield Polyiso for their dream home.

Thomas wanted the highest R-value his budget would permit, and appreciated the fact that he could use the continuous insulation as his WRB. To eliminate the thermal bridge around their Alpen 525 Series windows, they chose ThermalBuck. Take a look at their recent ThermalBuck installation below.

ThermalBuck simplifies the installation of windows with all types of continuous insulation, making a truly high-performance building envelope.  To see additional installation steps, strength and installation challenges, view the ThermalBuck Installation page.

For an in-depth conversation about rigid foam types, we recommend the experts at Green Building Advisor. For additional videos of polyiso installation, we recommend this one by Synergy Construction.  Of course we would recommend the use of ThermalBuck over the plywood bucks, to limit thermal bridging and improve the performance of the window installation.

While written in 2010, this piece from Green Building advisor about Using Rigid Foam as a WRB, still has merit.  Updated in January of 2016, ICC document AC71 Foam Plastic Sheathing Panels Used as Weather-resistive Barriers establishes guidelines for evaluation of foam plastic sheathing panels used as water-resistive barriers in combustible construction. See your rigid foam manufacturer specifications for more information.  

Austin builder Matt Risinger features ThermalBuck on an episode or Risinger Goes Rogue

ThermalBuck Goes Rogue with Austin Builder Matt Risinger

Texas has always been famous for cowboys, gunslingers, and rodeos (not to mention the best steaks and BBQ you’ll find anywhere). But you may not have realized that it’s also the home to one of the fastest growing construction industries in the U.S.

Led by multi-family housing starts, construction growth is fueled by an increasing population, a healthy housing market, and a strong environment for investment. Drive anywhere across this beautiful state and you’ll witness construction cranes, and rapid building progress in all shapes and sizes.

WATCH:  Risinger Goes Rogue featuring ThermalBuck   

Matt Risinger

Where construction is booming, you’ll find award-winning homebuilders.  At the recent Energy & Environmental Building Alliance (EEBA) Conference in Dallas, TX, ThermalBuck had the good fortune to cross paths with the most famous builder to call the Lone Star State home, Matt Risinger. Not only a well-known builder, Matt is also a respected media personality in the building industry. Matt was the closing speaker for the 3 day event held at the end of September, 2016.  The close-knit and collaborative nature of this particular conference invites plenty of opportunities to interact with attendees, presenters and manufacturers alike.  Matt’s keen interest in emerging products and new technology brought him to ThermalBuck on the trade show floor, where he spent some time with our president, John Brooks.

Risinger Homes

To meet Matt in person, is to realize right away that he is the real deal. Smart, humble, hard-working and passionate about good building science, Matt has earned a considerable following of nearly 34,000 subscribers to his You Tube channel, Build with Matt Risinger.  Since it’s launch in 2008, Matt’s building videos have earned him nearly 10 million views. Pretty impressive for this full-time builder and owner of Risinger Homes, and part-time marketer.

Matt has earned his reputation for excellency the old-fashioned way, through years of hands-on construction work, and the innate desire to do things the right way.

“I build homes that are dramatically more energy efficient, durable, healthy, and comfortable than most new homes in America.”

Risinger Homes is doing just that – building some of the finest homes in Texas. Combining Matt’s work ethic with his passion for technology, easy manner and marketing savvy, Matt has crafted a great reputation as a building science expert.

Risinger Goes Rogue

Not only does Risinger Homes build multiple high-end homes a year, he also spends countless hours appearing at building events and trade shows, as well as creating videos for Risinger Goes Rogue. Matt maintains a strong presence on social media, building his audience through his natural presentation ability, straight-talk and credibility. His strong family values, faith, and outlook on life are a bonus to those who seek out his expertise. Followers of Matt’s social media accounts can watch day-to-day progress of the homes he is working on, and learn proper building techniques along the way.

matt-risinger-with-videographerRisinger Goes Rogue recently featured ThermalBuck, a smart, simple solution to the challenges builders face when installing windows with continuous insulation. 

We appreciate Matt sharing ThermalBuck with his avid followers, and look forward to collaborating with Risinger Homes in the future. One thing we can be certain of, is that we will learn a thing (or two).

Risinger Homes started building exclusively for architects in 2005.  Matt’s building science expertise has been documented in Fine Homebuilding, The Journal of Light Construction, and Custom Home Magazine, to name a few.  He is also an award winning blogger, the two-time winner of the JDR Best Blogger Award.  Enjoy the beauty and craftsmanship of Matt’s work through his instagram account, twitter, or facebook. The Texas building statistics sourced for this post were found at investopedia.com.  

ThermalBuck Outperforms Wood Bucks 2:1 – Thermal Transfer Testing

Improving the energy-efficiency of new and existing construction has long been a focus of the building industry. When it comes to insulation, exterior is the choice of many architects and builders, because it eliminates the thermal bridging through the studs.

However, continuous insulation presents its own unique challenges with installing windows and flashing the rough openings. The mounting point is no longer flush with the sheathing, it must be extended out to meet the exterior insulation depth. Rough openings are always a weak spot for potential water infiltration – and extending the mounting point for windows compounds the problem.

Until ThermalBuck hit the market, there really wasn’t a good way to insulate and create a thermal break around the mounting points of windows & doors. The traditional method to bump out windows was to build a wood window buck. Wood does extend the mounting point, but it doesn’t hold up well to moisture, and it has a low insulating value. With an r-value range of 4.4 per inch, ThermalBuck is a better insulator than wood. But how much? We performed some third-party testing to find out.

 

ThermalBuck installation vs. wood buck installation - thermal break           

Thermal Transfer Performance: ThermalBuck  vs. Wood Buck


Using thermal imaging, we recorded the performance of ThermalBuck against a traditional wood buck in a controlled environment. In the two mock-ups below, three temperature sensors were placed on both the ThermalBuck installation (l) and the wood buck installation (r). The temperature condition on the exterior of the structure was -6.67 ºF, and the indoor of the structure 72.76 ºF.  

 

Performance -Thermal Image wood buck vs. ThermalBuck           thermalbuck vs. wood window buck

These photos show two window installations side by side. (l) ThermalBuck (r) traditional wood buck. 

 

54% More Heat Transfer with Wood vs. ThermalBuck

On the exterior of the structure (point A) the wood buck looses 7.88 ºF, or 14.55 ºF total degrees from the outside temperature. ThermalBuck only loses .11 ºF , or 6.78 total degrees from the outside temperature. The wood window buck allows twice as much energy to escape, while the window installation with ThermalBuck is effectively limiting thermal bridging.

thermalbuck vs wood buck thermal transfer testing drawings
thermalbuck insulating value data charts with Rockwool photo vertical

 

ThermalBuck High-Performance window buck creates a significant thermal break at the mounting points of windows & doors. Using ThermalBuck as part of your continuous insulation solution is an effective way to limit the amount of thermal bridging that occurs through your building envelope.

To learn more about thermal bridging, see what the experts have to say at greenbuildingadvisor.com

Editor’s Note: This article was updated in July 2018. The testing results and thermal images were not changed.