TECHNICAL RESEARCH
INDUSTRY RESEARCH
Field Evaluation of Roof Sheathing Surface Treatments – Asphalt Shingle Sloped Roofing Research Study (Phase 2)
Description Low-slope vented roof assemblies are widely used in wood-frame construction throughout Canada. However, vented wood-frame assemblies have posed consistent durability and moisture challenges in the Pacific Northwest climate. This study identifies the main wetting mechanisms, potential for mould growth, and what the typical air leakage is in low-slope roofs as compared to conventional roofs. To assess best practice, the project includes a literature review, survey of roof renewals, field monitoring and testing, energy simulations and industry guidelines. Impact The objective of this study is to quantify the risk and identify safe insulation and ventilation strategies for low-sloped roofs.
Project available online at www.bchousing.org
Status:
Partners: Roofing Contractors Association of BC,
Canadian Wood Council
Audience: Builders, developers, contractors, engineers,
architects, and the industry in general
6611
61 HOUSING RESEARCH & EDUCATION PROJECT HIGHLIGHTS | JUNE 2020
Made with FlippingBook - Share PDF online