Illustrated Guide: Insulated Wood-Frame Vaulted and Flat Roofs

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This illustrated guide focuses on roof insulation in low and mid-rise wood-frame buildings. It provides information on how to construct vaulted water-shedding roofs and flat waterproof membrane roofs that can meet R-30 or higher thermal performance requirements. The guide helps construction professionals do this without compromising other aspects of building enclosure performance, such as moisture management, air leakage, and durability.


This guide presents an overview of roof assemblies that can achieve higher thermal performance targets.
Residential Design and Construction Guides
Partners:  Canadian Wood Council, City of New Westminster, City of Vancouver, Forestry Innovation Investment, Roofing Contractors Association of BC
Audience:  building officials, design professionals, utilities - energy, home inspectors, researchers, warranty and insurance providers