...to the following resources: Wood Design Manual (Canadian Wood Council) Fire Safety Design in Buildings (Canadian Wood Council) National Building Code of Canada National Fire Code of Canada CSA O86,...
Construction Sites
...Security: A Technical Note on Fire Safety and Security on Construction Sites in British Columbia” – by Wood Works! British Columbia, 2013 City of Surrey, BC – Construction Fire Safety...
...refer to the following resources: Introduction to Wood Design (Canadian Wood Council) Wood Design Manual (Canadian Wood Council) CSA O86 Engineering design in wood National Building Code of Canada www.woodworks-software.com...
...known as in-grade testing. In the early 1980s, the Canadian lumber industry conducted a major research program through the Canadian Wood Council Lumber Properties Program for bending, tension and compression...
...to protect the wood or, if the wood will be exposed, designing to not accumulate moisture. It includes ensuring the building envelope is appropriately designed to shed bulk water, mitigating...
...are chemicals that are deposited in the heartwood of certain tree species as they convert sapwood to heartwood. In addition to providing the wood with decay resistance, extractives also often...
...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...
...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...
...processes vary depending on the type of wood being treated and the preservative being used. In general, wood is first conditioned to remove excess water from the wood. It is...
...Changes were needed. In keeping with existing buildings on the site which were built of heavy timber construction, any new building would also use a wood-based construction system. It seemed...
In the National Building Code of Canada (NBC) “fire-resistance rating” is defined in part as: “the time in minutes or hours that a material or assembly of materials...
The vulnerability of any building in a fire situation is higher during the construction phase when compared to the susceptibility of the building after it has been completed...
A structure must be designed to resist all the loads expected to act on the structure during its service life. Under the effects of the expected applied loads, the structure...
For many years, the design values of Canadian dimension lumber were determined by testing small clear samples. Although this approach had worked well in the past, there were...
A permanent wood foundation (PWF) is an engineered construction system that uses load-bearing exterior light-frame wood walls in a below-grade application. A PWF consists of...
“Durability by design” is the most important aspect of durable solutions. It starts with using dry wood, storing it appropriately to ensure it stays dry, and then...
For outdoor applications of wood, we have a strong tradition here in North America of using our naturally durable species: Western red cedar, Eastern white cedar, yellow...
Treating Methods There are two basic methods of treating: with and without pressure. Non-pressure methods are the application of preservative by brushing, spraying or dipping...
The appearance of wood can be modified with the application of an architectural coating. Architectural coatings are surface coverings such as paints and stains applied...
Non-Pressure Treated Wood For most treated wood, preservatives are applied in special facilities using pressure. However, sometimes this isn’t possible, or the need for...
Preservative-treated wood is typically pressure-treated, where the chemicals are driven a short distance into the wood using a special vessel that combines pressure and...
The VanDusen Botanical Garden in Vancouver, British Columbia, was founded in 1971; doors opened to the public in 1975. By the year 2000, two existing buildings, the Floral...