Simple Air Sealing with OSB and Plywood Sheathing

According to the U.S. Department of Energy, as much as 30% of a home’s energy usage can come from air leakage. When constructing homes, subcontractors and framers can take a proactive approach to sealing penetrations with code-recognized air barriers like 3/8 category or thicker plywood and OSB.

This publication is designed for: contractors, subcontractors, framers

This publication discusses the materials that can be used to seal penetrations, provides key principles for sealing gaps and holes, and includes a checklist of 10 common sources of air infiltration that should be checked and sealed thoroughly during construction.

Published by APA — The Engineered Wood Association.