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AtTEK – Fire Protection for Attic Applications

The AtTEK® – Fire Protection for Attic Applications Technical Data Sheet provides detailed product and performance information for BarrierTEK’s AtTEK® fire-protectant treatment used in wood-frame attic assemblies. The document is intended for designers, builders, specifiers, and code officials requiring concise technical data to support product evaluation and specification.

The TDS outlines key product attributes, application parameters, and performance characteristics relevant to attic framing components, including treatment coverage, compatibility with wood products, and applicable fire performance considerations. It serves as a quick-reference resource for understanding how AtTEK® is used to enhance fire protection in concealed roof spaces.

Developed as a technical reference, this data sheet supports accurate specification and informed use of AtTEK® in attic applications, helping project teams integrate fire-protectant-treated wood into wood-frame buildings with clarity and confidence.

Fire Safety Challenges of Tall Wood Buildings

Acknowledging the growing importance of designing sustainable buildings and addressing overpopulation concerns, the development of engineered wood products has introduced the possibility of constructing high-rise timber structures that can improve both these conditions. However, as a combustible material, one of the biggest barriers to construction of tall timber buildings is the potential fire risk resulting from the combustible structure. In November 2012, the Fire Protection Research Foundation commissioned the Fire Safety Challenges of Tall Wood Buildings study to address this concern. Phase I of this two-phase study seeks to collect the available knowledge of fire safety in timber structures and identify gaps in knowledge that would further the understanding of fire performance of tall timber buildings. Results of the study, including a summary of timber construction and fire dynamics, is presented herein.

Shear Testing of Cross-Laminated Beams

This testing program was carried out by the Advanced Building Systems (ABS) Department of FPInnovations in response to a request made by Mrs. Julie Frappier of Nordic Engineered Wood and Mr. Étienne Lalonde of Canadian Wood Council (CWC) for the evaluation of the shear stress resistance of one hundred fifty two (152) cross-laminated timber (CLT) beams. All specimens were manufactured by Nordic Engineered Wood and delivered to FPInnovations’ testing facilities in Québec City. The main objective of this study was to evaluate the in-plane shear stress of CLT depending of its orientation and the number of plies. Specific Gravity and Moisture Content measurements were also determined for each specimen.

Advanced Wood Construction Action Plan

As part of Sustainable Growth: Ontario’s Forest Sector Strategy, the Government of Ontario committed to increasing the use of wood in construction to grow and diversify the market for Ontario’s wood products. This commitment will drive economic prosperity in the province, help to bolster the supply of available housing and support workforce development, all while helping to mitigate climate change stemming from buildings sector emissions.

Arbora – An Exposed Wood Structure in A Major Residential Project

Montreal’s Griffintown district is home to a world record-breaking building: Arbora is the world’s largest residential complex made of solid engineered wood. It boasts three 8-storey buildings, each 25 m high, for a total of 55,515 m2 and 434 housing units. Records can be broken, but the unmatched aesthetic quality of Arbora’s exposed wood beams and columns will endure. Sotramont has assembled a team of skilled professionals to complete this project, the first of its kind in Canada.

IBS5 – Thermal Performance of Light-Frame Assemblies

“A man’s home is his castle” is an old familiar phrase, but if truth be told, the castles of old were cold and draughty. Today’s homes are now havens of comfort with efficient central heating systems and well insulated building envelopes. We count on the walls and roofs of our houses to keep the heat in during the winter months and the heat out during the sweltering days of summer. Today’s home buyers demand energy efficient houses with high insulation values. “Lowering energy use” has become the goal as the cost and environmental implications of energy use are considered. Insulation levels are now being required by many code authorities. Stricter thermal requirements mean that designers must understand the impact of the materials and assemblies used on thermal performance. Because of its long history of use, wood-frame construction has well established insulating properties and record of performance. The effect of other construction systems on insulation properties is not widely known or understood. This publication will examine current knowledge of the thermal performance of wood and other framing techniques. This information will assist designers and builders to select construction techniques that provide the best thermal performance.

IBS3 – Fire Resistance and Sound Transmission

Fire is an ever-present danger for building occupants. Research and experience confirm that fire safety in a house or apartment has little to do with the combustibility of the structural materials used in its construction. In fact, the occupants’ safety is far more dependent on their own awareness of fire hazards (open flames, etc.), the contents of their home (furniture, etc.), and the fire protection measures designed into the building. Minimization of sound transmission in single- and multi-family residential buildings is also an important factor to ensure occupant comfort, and is closely related to fire-resistant construction. The intent of this brochure is to demonstrate how wood frame buildings meet code requirements by providing examples of wood-based light frame building systems designed to maximize fire safety and minimize sound transmission.

Historical Tall-Wood Toronto

Courtesy of the Mass Timber Institute

There is much to learn from the resilient and adaptable warehouse buildings that line the streets of Canada’s historic manufacturing districts. ‘Historical Tall-Wood Toronto’ is an evidentiary database of late 19th and early 20th century vernacular brick and beam buildings that were built using the fire restrictive specifications and construction technology of Heavy Timber Mill-Construction (mill-construction) in Toronto.

Lateral Bracing Requirements – Part 9 of the BC Building Code 2024

Purpose:
This publication provides detailed guidance on the BC Building Code 2024 requirements for lateral bracing in Part 9 wood-frame houses. It explains the building material requirements and construction methods necessary to ensure houses are safe and resilient against seismic and wind loads.

Impact:
This illustrated guide aims to help designers and builders in British Columbia understand and implement the updated Code requirements for lateral bracing. By doing so, it enhances the structural integrity of houses, ensuring they are better protected against environmental hazards, especially earthquakes.

Partners:
Canadian Wood Council, National Research Council, The Province of B.C., University of Ottawa

CLT Diaphragm Properties

A testing program related to the evaluation of the mechanical properties of CLT diaphragms used in construction was carried out by the Advanced Building Systems (ABS) Department of FPInnovations in response to a request made by the Client, Nordic Engineered Wood Products. The main objective of this study was to determine the in-plane stiffness and potentially strength properties of CLT panels used in diaphragm applications. The test matrix consisted of three (3) series of two (2) specimens each. The CLT specimens were tested under third-point loading during the program. All specimens were manufactured by Nordic Engineered Wood Products and delivered to FPInnovations’ testing facilities in Québec City. The CLT panels were made of nominal 2×4 Black Spruce lumber (CLT Grade E1 – ANSI PRG 320).

Monotonic Quasi-Static Testing of CLT Connections

This testing program was carried out by the Advanced Building Systems (ABS) Department of FPInnovations in response to a request from Mrs. Julie Frappier from Nordic Engineered Wood for the evaluation of the mechanical properties of three (3) different assemblies for attaching Cross Laminated Timber (CLT) panels. Each of the assemblies consisted of six (6) specimens for a total of eighteen (18) tests. All specimens were manufactured by Nordic Engineered Wood and delivered to FPInnovations’ laboratory in Québec City.

The key objective was to evaluate the mechanical properties pertinent for the design of CLT panel connections exposed to in-plane loading such as diaphragms or shear walls. The evaluation of the ultimate loading capacity (𝐏𝐮𝐥𝐭) and the stiffness (K) of the connections are thus the main focus of this study.

Shear Modulus of CLT in plan loading

A testing program was carried out by the Advanced Building Systems (ABS) Department of FPInnovations in response to a request made by Mrs. Julie Frappier of Nordic Engineered Wood Products for the evaluation of the effective shear modulus of eight (8) different Cross-laminated Timber (CLT) configurations or series. The test matrix consisted of a total seventy (70) specimens and each specimen was submitted to four (4) bending tests, resulting in a total two hundred and eighty (280) tests. All specimens were manufactured by Nordic Engineered Wood Products and delivered to FPInnovations’ testing facilities in Québec City.

Application of Cross-Laminated Timber in High‐end Custom Homes and Mixed‐use Residential Buildings
Course Overview Follow our journey of introducing CLT into high end‐custom homes and mixed‐use residential projects in the Greater Vancouver Area. We’ll explore the differences between light wood‐frame and CLT...
Challenging Convention With Innovative Timber Applications
...what’s possible in wood manufacturing. The session will also feature Intelligent City’s remarkable achievement—Canada’s first tall timber Passive House facade. This case study reveals how mass timber building envelopes can...
Elevate Innovate Acoustically Integrate
Course Overview In this session using specific project case studies, discover the latest ground-breaking advancements in sound technology that are transforming acoustic design in wood construction. There are many critical...
Delivering Mid-Rise Housing Solutions – Part 1 Light Wood Frame
...Learning Objectives Understand the innovative use of prefabricated light wood construction in creating sustainable residential developments – design choices, construction techniques, and sustainability goals. Analyze the design and logistical challenges...
Understanding the New EMTC Provisions in the Ontario Building Code
...and tall wood buildings. From there, code experts from Morrison Hershfield will discuss the new building code provisions related to Encapsulated Mass Timber Construction (EMTC), which is a new construction...
Light Wood Frame and Mass Timber Hybrid Mid-Rise Construction
...The first building constructed uses a combination of conventional wood framing and mass timber. Learning Objectives Understand the impact of mass timber construction on project timelines and the operational efficiencies...
Timber Bridge Inspection, Maintenance, Restoration and Design Detailing Guide
This 3-volume guide on timber bridge inspection, maintenance, restoration, and detailing covers everything you need to know about detailing durable wood bridges, starting with a thorough description of wood’s unique...
Practical and Advanced Modeling for Design and Performance of Mass Timber Structures
...mid- and high-rise buildings and long-span structures. It is also a valuable tool for optimizing wood-based products, connections, and systems that improve structural performance. This useful guide supports the application...
Bill Fisch Forest Stewardship and Education Centre
...in site restoration and forest management, and is the first public forest in Canada to be certified by the Forest Stewardship Council (FSC). Constructed of wood and accented with stone,...
International Perspectives on Sustainable Housing Development
...role of architecture in creating livable, sustainable cities. Learning Objectives Understand how international architects approach sustainable housing development, including wood‑based construction, urban densification, and low‑carbon strategies. Compare differing regulatory, cultural,...
Mass Timber Business Case Studies
...case studies enable direct comparisons between mass timber and traditional construction methods. WoodWorks is seeking developers and owners with completed mass timber projects to share data for analysis, supporting education...
Guide to Encapsulated Mass Timber Construction in the Ontario Building Code
...and tall wood buildings. From there, code experts from Morrison Hershfield will discuss the new building code provisions related to Encapsulated Mass Timber Construction (EMTC), which is a new construction...
Course Overview Follow our journey of introducing CLT into high end‐custom homes and mixed‐use residential projects in the Greater Vancouver Area. We’ll explore the...
Course Overview This dynamic session explores cutting-edge applications of mass timber in Canadian construction through three compelling case studies that showcase how timber...
Course Overview In this session using specific project case studies, discover the latest ground-breaking advancements in sound technology that are transforming acoustic...
Course Overview We are excited to be joined by Ashley Hammerbacher and Seungyeon Hong from s2e Technologies Development Inc a team constructing the 4 storey Eve Park in...
Course Overview This 2-hour technical webinar will begin with an overview of ongoing fire research at the National Research Council of Canada into various performance aspects...
Course Overview 55 Franklin in Kitchener, Ontario, is a four-building complex of mid-rise residential buildings that the project team is using as an opportunity to explore...
This 3-volume guide on timber bridge inspection, maintenance, restoration, and detailing covers everything you need to know about detailing durable wood bridges, starting...
Course Overview FPInnovations’s Modeling Guide for Timber Structures is the result of global collaboration from over 100 experts. This definitive guide for timber structure...
The Bill Fisch Forest Stewardship and Education Centre (Education Centre) was planned and built to educate residents of the Regional Municipality of York about the importance...
Course Overview Around the world there is a significant and growing housing shortage that is exacerbated by rapid urbanization and population growth. This challenge demands...
This document presents a series of business case studies that explore the financial performance of mass timber projects, providing quantitative data and qualitative insights...
Course Overview This 2-hour technical webinar will begin with an overview of ongoing fire research at the National Research Council of Canada into various performance aspects...
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