Exterior and Exposure 1 Ratings Explained

There is a vital difference between Plywood and OSB panels and sheathing that are classified as ‘Exterior’ and ‘Exposure 1’. Utilizing the wrong panels or sheathing could compromise the structure which is exposed to weather. The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process.

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What’s on Your APA Grade Stamp?

Ever wondered what the information on your OSB sheathing panel stamp means? This stamp offers vital information for construction professionals as well as guidelines for installation. Here’s a rundown on how to read an APA grade stamp from the APA (The Engineered Wood Association) and what it represents. Some mills use a Julian calendar as …

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