Builder Tips: How to Minimize Buckling of Asphalt Shingles

Plywood and oriented strand board (OSB) are the most popular roof sheathing materials in the U.S. However, improper installation of roof sheathing panels can result in warping or buckling of asphalt shingles.

This publication is designed for: builders, contractors

This publication provides several construction practices that can be used to minimize buckling of asphalt shingles.

Key sections include:

• Provide roof ventilation following the building code

• Install vapor retarder

• Panel storage, spacing and installation

• Gap panels 1/8-inch

• Shingle storage and installation

• Special considerations for asphalt shingles

Published by APA — The Engineered Wood Association.