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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.

Specification Guide for Non-Residential Pressure Treated Wood Products
...properly protected, its service life can be extended for many years. The most effective way of protecting exposed wood is the use of wood preservatives. Preserved wood products can have...
Ontario Tall Wood Reference Guide
...wood noted in Table 1 below. This technical resource is expected to help illustrate to applicants how tall wood buildings could be designed as alternative solutions in a way that...
IBS1 – Moisture and Wood-Frame Buildings
...in the 1800s, wood construction has proven it can stand the test of time. The art and technology of wood building, however, has been changing through time. It’s a common...
Design for Deconstruction in Light Wood Frame
...recycled is generally incinerated for waste-to-energy conversion or shredded for biomass. Deconstructing wood buildings and reusing the salvaged wood for new construction would extend the lifespan of the wood, add...
ProTEKtor II® – High Performance Fire Protectant for Wood Frame & Sheet Components
...in exposed and concealed wood-frame construction. The resource is intended for architects, engineers, builders, and code officials involved in projects where enhanced fire protection for wood framing and sheathing is...
AtTEK® – High Performance Fire Protectant for Wood Frame Attic Components
BarrierTEK’s AtTEK® – High Performance Fire Protectant for Wood Frame Attic Components document provides technical information on the use of AtTEK® fire-retardant treatment for enhancing fire performance in concealed wood...
IBS2 – Wood Trusses – Strength, Economy, Versatility
...majority of house roofs in Canada and the United States are framed with wood trusses and increasingly, wood floor trusses are being used in residential and commercial applications. Wood truss...
The Case for Tall Wood Buildings
Wood is the most significant building material we use today that is grown by the sun. When harvested responsibly, wood is arguably one of the best tools architects and engineers...
Acoustic Comparative Study
...and optimizing wood-based materials. With ISO 17025-accredited laboratories and state-of-the-art facilities, FPInnovations assesses the performance of wood structures in terms of acoustics, vibrations, fire resistance, and more. Study Objective At...
ProTEKtor II® – Technical Data Sheets
...as a technical reference, this data sheet supports accurate specification and informed use of ProTEKtor II®, helping project teams integrate fire-protectant-treated wood products into wood-frame construction with confidence and consistency....
Offsite Wood Construction Handbook
...in-depth guide on offsite wood construction includes chapters on the following topics: Design process associated with offsite construction Offsite manufacturing process Lumber and engineered wood product portfolio available in Canada...
Assurance with Insurance
BarrierTEK’s Assurance with Insurance document outlines how the use of BarrierTEK fire-protectant-treated wood products can support risk management and insurance considerations in wood-frame construction. The resource is intended for building...
Wood is the only renewable building material within the three major building material types. In exterior applications, wood is subject to deterioration from natural elements...
The target audience for this technical resource includes building officials, fire service, architects, engineers, builders, code consultants and developers and other parties...
Throughout history, wherever wood has been available as a resource, it has found favor as a building material for its strength, economy, workability and beauty, and its...
The Guidebook of Design for deconstruction in Light Wood Frame presents a methodology for altering typical light wood frame assemblies so that they can be easily disassembled...
BarrierTEK’s ProTEKtor II® – High Performance Fire Protectant for Wood Frame & Sheet Components document provides technical guidance on the use of ProTEKtor II®...
BarrierTEK’s AtTEK® – High Performance Fire Protectant for Wood Frame Attic Components document provides technical information on the use of AtTEK® fire-retardant...
Wood trusses are engineered frames of lumber joined together in triangular shapes by galvanized steel connector plates, referred to commonly as truss plates. Wood trusses are...
Wood is the most significant building material we use today that is grown by the sun. When harvested responsibly, wood is arguably one of the best tools architects and...
In a context where wood construction is gaining momentum, acoustics remains a key challenge in ensuring occupant comfort and compliance with standards. With this in mind...
The ProTEKtor II® Technical Data Sheet provides detailed product and performance information for BarrierTEK’s ProTEKtor II® fire-protectant treatment used on wood frame...
Industrialized offsite construction, also known as prefabricated or modular construction, is a construction method where building materials and components are manufactured...
BarrierTEK’s Assurance with Insurance document outlines how the use of BarrierTEK fire-protectant-treated wood products can support risk management and insurance...
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