...Office has updated the “Best Practice Guide for Wood-Frame Envelopes in the Coastal Climate of British Columbia” originally developed by Canada Mortgage and Housing Corporation and published “Building Enclosure Design...
...with all woodworking. Here are a few key points specific to treated wood: Pressure-treated wood is not a pesticide, and it is not a hazardous product. In most municipalities, you...
...preservative-treated wood can have 5 to 10 times the service life of untreated wood. This extension of life saves the equivalent of 12.5% of Canada’s annual log harvest. Preserved wood...
...Canadian Oriented Strand Board View Resource An Industry Average EPD for Canadian Softwood Plywood View Resource A Regionalized Industry Average EPD for Canadian Wood Trusses View Resource Stakeholders within the...
...sure why. If wood is badly decayed, this will be quite obvious. The wood will be softer than normal and perhaps even be breakable by hand. Decayed wood often has...
...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...
Select heartwood where possible to minimize nutrient content of wood surfaces and prevent nutrients migrating through the coating to support fungal growth on the surface. Round all corners to minimum...
For new wood, remember: The wood must be dry. Drying time depends on a few factors. Ideally the wood should be kiln-dried (stamped “S-DRY”, “KD” or “KDAT”, see glossary of...
Glossary
...Soluble chemicals particularly present in the heartwood of some species which provide the wood with resistance to decay and insects. Fungicide A substance which inhibits the growth of fungus. Often...
Canada has had a wood preservation industry for about 100 years. Canada is tied with the UK as the world’s second largest producer of treated wood (the USA is first,...
FPInnovations has been field testing the performance of treated wood products for years. Click one of these categories for performance data from our field tests. Borate-treated Wood vs. Termites Round...
...of how to protect wood from decay and fire, we can expect today’s wood buildings to be around for as long as we wish. While wood does not have the...
There’s no reason a wood structure can’t last virtually forever – or, at least hundreds of years, far longer than we may actually need the building. With a good...
Wood is resistant to some of the chemicals destructive to steel and concrete. For example, wood is often the material of choice when exposed to: organic compounds, hot or...
In the early 1900s, light-frame wood construction and heavy timber, up to ten-storeys in height, was commonplace in major cities throughout Canada. The longevity and...
What do the experts have to say about wood-frame mid-rise construction? Graham Finch, Building Science Research Engineer Michael Green, Principal, Michael Green Architecture...
On behalf of the Canadian Commission on Building and Fire Codes (CCBFC) the National Research Council (NRC) Codes Canada publishes national model codes documents that set out...
The current edition of the National Building Code of Canada (NBC) is published in an objective-based format intended to allow more flexibility when evaluating non-traditional...
Supplementary treatment may be added wherever on-site cutting or drilling of wood is unavoidable, or where it is suspected the original protection measures may be inadequate....
Fasteners, Connectors and Flashing for Wood Treated With Copper-Based Preservatives The presence of moisture is a precondition for corrosion of metals. Treated wood is...
Treatability of Major North American Softwoods Some wood is easier to treat than others. The particular structure of the cells for a given piece of wood will determine how...
Individuals in the design and construction community are increasingly choosing materials, design techniques and construction procedures that improve a structure’s ability...
Since remedial treatment is intended to solve a known insect or decay problem, the first thing to do is investigate the extent of the problem and, if necessary, provide...
Liquid application: Dip diffusion treatment of green (wet) lumber Dip-diffusion treatment involves immersion of freshly cut lumber, still wet from the tree, in a concentrated...