December 12th, 2017
Walls are an integral part of a structure's weather-resistive system. Details in wall design and construction are important in preventing damaging moisture build-up, whether the moisture originates from outside or inside the building. The BuildA Better Home program fromAPA – The Engineered WoodAssociation is designed to provide builders and homeowners with the construction guidelines they need to protect their homes against damaging moisture infiltration. Key elements in the building envelope are the roof, walls, and foundation. This publication outlines the two primary sources of moisture in wood wall construction and methods of preventing its accumulation.