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Durability

...North American buildings built in the 1800s, wood construction has proven it can stand the test of time. Although wood building technology has been changing over time, wood’s natural durability...

Wood in non-combustible buildings

...of Non-Combustibility in Building Materials.” For further information, refer to the following resources: Wood Design Manual, Canadian Wood Council National Building Code of Canada CAN/ULC-S114 Test for Determination of Non-Combustibility...

Choosing and Applying Exterior Wood Coatings

...and follow all manufacturer’s instructions. Surface Preparation for Aged Wood Wood coatings need a fresh surface or the coating simply won’t last. The longer wood has been allowed to weather, the poorer...

Performance Factors

...use of treated wood apply when coating preservative-treated wood. Effect of bluestain Bluestain is caused by fungi, and bluestained wood is more permeable than unstained wood, therefore it may absorb...

Treatability

...Heartwood White Spruce 2 3-4 Heartwood Engelmann Spruce 2 3-4 Heartwood Black Spruce 2 4 Heartwood Red Spruce 2 4 Heartwood Sitka Spruce 2 3 Heartwood Lodgepole Pine 1 3-4...

Finishing Exterior Wood

...with decay (rot) caused by decay fungi, which can penetrate deeply into wood and significantly reduce wood strength in a relatively short period. In contrast, weathering of wood is caused...

Plywood

...Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing National Building Code of Canada Example Specifications for Plywood Plywood Grades Plywood Handling and Storage Plywood Manufacture Plywood Sizes Quality Control of Plywood...

Wood Decay and Repair

...this will be quite obvious. The wood will be soft and perhaps even be breakable by hand. Decayed wood breaks with a carrot-like snap versus the splintering of sound wood....

Fasteners

...environments. For borate-treated wood used inside buildings, the same connectors can be used as for untreated wood. Recommendations on Fasteners for Treated Wood Fasteners for use in treated wood that...

Non-Pressure Treated Wood

...very rapidly in wet wood. Copper moves more slowly because it reacts with the wood. For dryer wood, glycols can be added to borate formulations to improve penetration. Over-the-counter wood...

Lumber

...end of wood members. When a wood member dries, moisture is lost very rapidly from the end of the member. At midlength, however, the wood is still at a higher...

Moisture and Wood

The durability of wood is often a function of water, but that doesn’t mean wood can never get wet. Quite the contrary, wood and water usually live happily together. Wood...

Design Example of Wood Diaphragm on Reinforced CMU Shearwalls

This document is design example of Wood Diaphragm on Reinforced CMU Shearwalls. It uses a school gymnasium located in Surrey, British Columbia as the example. The plan...

CWC, Shearwalls

R-Town Vertical 6 | Mass Timber Midrise

The R-Town V6 pilot project is the first 6-storey, mixed-use, multi-unit residential building developed in Ontario that fully employs mass timber as the main structural...

Residential Buildings, Woodworks

Four-Storey Wood School Design in British Columbia: Life Cycle Analysis Comparisons

Climate change is one of the largest threats facing the planet today. The construction industry accounts for 11% of global carbon emissions, playing a significant part in the...

Academic Buildings, CWC

Dowel Laminated Timber A new mass timber product in North America

Course Overview Dowel‐laminated timber is a next generation mass timber product commonly used in Europe, where it is also known as brettstapel. Panels are made from...

Exploring the Feasibility of Point-Supported Mass Timber for Tallwood Construction

Course Overview This session examines the growing potential of point-supported mass timber systems in tall building construction, contrasting them with traditional timber...

Social & Economic Benefits of Wood Buildings

A building that is a good choice for the environment can often address broader social needs and offer higher economic value. People prefer to live, work, study and play in a...

Biophilic Design, CWC, Sustainability

Resilient and Adaptive Design Using Wood

Individuals in the design and construction community are increasingly choosing materials, design techniques and construction procedures that improve a structure’s ability...