TECHNICAL RESEARCH
INDUSTRY EDUCATION
Building Envelope Guide for Houses ‒ Part 9 Residential Construction (Second Edition)
Description This updated guide builds on the previous Building Envelope Guide that was produced in 2007. It provides practical information regarding the design and construction of the building envelope for new homes constructed in accordance with Part 9 of the 2018 BC Building Code. The updates include basement water - proofing, damp proofing, soil gas provisions and insulation combinations that address water ingress, energy performance, condensation and soil gas concerns (including radon, methane and water vapour). In addition to basement systems, the guide specifically addresses electrical meter boxes, exterior electrical penetrations, and the integration of these devices into the building enclosure without compromising water penetration control, airtightness, energy efficiency and electrical safety. Impact The guide describes minimum requirements for the building envelope for houses, including requirements for rainscreen in coastal areas, as well as building practices for the design and construction of wall assemblies that go beyond the minimum requirements of the Code for best practices.
Status:
Guide available online at www.bchousing.org Order online at www.crownpub.bc.ca
Partners:
Applied Science Technologists & Technicians of BC, Architectural Institute of British Columbia, Building and Safety Standards Branch, Building Officials’ Association of B.C., Canadian Home Builders’ Association, Concrete BC, Canadian Wood Council, Homebuilders Association Vancouver and Roofing Contractors Association of BC
Audience:
Builders, contractors, architects, house designers, building officials, engineers, trades, suppliers, students, apprentices, and others involved in residential construction
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51 HOUSING RESEARCH & EDUCATION PROJECT HIGHLIGHTS | JULY 2021
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