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Engineering Guide for Wood Frame Construction 2014

The Engineering Guide for Wood Frame Construction has been produced by CWC to provide guidance to engineers, building designers, building officials, builders, and students of these disciplines on the structural design of wood elements and connections for wood frame buildings that fall within the scope of Part 9 of the NBC. The Guide was revised, in this 2014 Edition, in order to conform to changes in the 2015 edition of the NBC.

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.

Wood Design Awards, 2013

Wood Design Awards, 2012

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 have for reducing greenhouse gas emissions and storing carbon in our buildings. The Case for Tall Wood Buildings expands the discussion of where we will see wood and specifically Mass Timber in the future of the world’s skylines. As we pursue the solar and green energy solutions that Thomas Edison spoke of over 80 years ago, we must consider that we are surrounded by a building material that is manufactured by nature, a material that is renewable, durable and strong.

This report introduces a major opportunity for systemic change in the building industry. For the last century there has been no reason to challenge steel and concrete as the essential structural materials of large buildings. Climate change now demands that we do. The work of thousands of scientists with the United Nations Intergovernmental Panel on Climate Change (IPCC) has defined one of the most significant challenges of our time. How we address climate change in buildings is a cornerstone in how the world will tackle the need to reduce emissions of green house gases and indeed find ways to store those same gases that are significantly impacting the health of our planet. Just as the automobile industry, energy sector and most other industries will see innovations that challenge the conventions of the way we will live in this century, the building industry must seek innovation in the fundamental materials that we choose to build with. In a rapidly urbanizing world with an enormous demand to house and shelter billions of people in the upcoming decades we must find solutions for our urban environments that have a lighter climate impact than today’s incumbent major structural materials. This report is a major step in that direction. Indeed it introduces the first significant challenge to steel and concrete in tall buildings since their adoption more than a century ago.

Wood Design Awards, 2011

Wood Design Awards, 2010

Wood Reference Handbook

The Wood Reference Handbook is much more than a guide to the architectural use of wood in building construction – it is a beautifully assembled homage to fine wood craftsmanship throughout the world.

Introduction to Wood Building Technology

Engineers, architects, building code officials, builders, developers, students and professors all turn to Introduction to Wood Building Technology – the most current guide to the construction of wood buildings.

Canadian Lumber Properties

Canadian Lumber Properties is a source of information on the structural properties of Canadian softwood lumber derived from full-size (“in-grade”) tests.

Wood Highway Bridges

Wood Highway Bridges demonstrates how wood bridges can be designed to be assembled rapidly, resist deterioration caused by de-icing chemicals, and utilize stress-laminating in decks to provide long-term performance.

Wood Piles

Wood Piles provides clear and concise coverage of a topic that is often considered obscure However, wood piling has been used around the world to support heavy loads for centuries – and it is still in use today

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....
Wood Design: A Guide for Architects and Educators
This Guide is designed to help educators increase wood content in their already crowded curricula, exposing students to the unique challenges and opportunities of designing with advanced wood systems, within...
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...
Wood Design & Building Magazine, vol 24, issue 96
Buildings that stand the test of time aren’t just durable—they are cherished. When we invest in quality materials and good design, we can create buildings that people connect with. As...
Treatment during engineered wood product manufacture
Some engineered wood panel products, such as plywood and laminated veneer lumber (LVL) are able to be treated after manufacture with preservative solutions, whereas thin strand based products (OSB, OSL)...
Reassessment of Design Values for Hem-Fir (N) Dimension Lumber (Canadian Market)
...and the National Design Specification® (NDS®) Supplement for Wood Construction, developed by the American Wood Council (AWC). Within the NDS® Supplement, these updates specifically apply to Tables 4A and 4C,...
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...
Wood Design & Building Magazine, vol 24, issue 95
A Regionalized Industry Average EPD for Canadian Wood Trusses
This is a Canadian regionalized industry wide (average) business-to-business Type III environmental product declaration (EPD) for pre-fabricated wood trusses. This declaration has been prepared in accordance with ISO 21930 (1),...
An Industry Average EPD for Canadian Softwood Plywood
This is a Canadian industry wide (average) business-to-business Type III environmental product declaration (EPD) for softwood plywood. This declaration has been prepared in accordance with ISO 21930 (1), ISO 14025...
A Regionalized Industry Average EPD for Canadian Softwood Lumber
This is a Canadian regionalized industry wide (average) business-to-business Type III environmental product declaration (EPD) for softwood lumber. This declaration has been prepared in accordance with ISO 21930 (1), ISO...
An Industry Average EPD for Canadian Pre-fabricated Wood I-Joists
This is a Canadian industry wide (average) business-to-business Type III environmental product declaration (EPD) for pre-fabricated wood I-joists. This declaration has been prepared in accordance with ISO 21930 (1), ISO...
As for all other building materials, a critical aspect of wood structures is the manner by which members are connected. Wood products are building materials which are easily...
Prefabricated wood I-joists are proprietary structural wood members that consist of fingerjoined solid sawn lumber or laminated veneer lumber (LVL) flanges attached to a...
By using roundwood that is often not be suitable for lumber production, wood-based panels make efficient use of the forest resource by providing engineered wood products with...
First used during World War II to make airplane propellers, laminated veneer lumber (LVL) has been available as a construction product since the mid-1970s. LVL is the most...
Laminated Strand Lumber (LSL) is one of the more recent structural composite lumber (SCL) products to come into widespread use. LSL provides attributes such as high strength...
Oriented Strand Lumber (OSL) Oriented Strand Lumber (OSL) provides attributes such as high strength, high stiffness and dimensional stability. The manufacturing process of...
Parallel Strand Lumber (PSL) Parallel Strand Lumber (PSL) provides attributes such as high strength, high stiffness and dimensional stability. The manufacturing process of...
Cross-laminated timber (CLT) is a proprietary engineered wood product that is prefabricated using several layers of kiln-dried lumber, laid flat-wise, and glued together on...
Glulam (glued-laminated timber) is an engineered structural wood product that consists of multiple individual layers of dimension lumber that are glued together under...
Plank decking may be used to span farther and carry greater loads than panel products such as plywood and oriented strand board (OSB). Plank decking is often used where the...
With advanced construction technologies and modern mass timber products such as glued-laminated timber, cross-laminated timber and structural composite lumber, building tall...
Wood is composed of many small cellular tubes that are predominantly filled with air. The natural composition of the material allows for wood to act as an effective...

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