What Is Roof Sheathing Commonly referred to as “roof decking,” roof sheathing is a sturdy layer of wooden boards (and, in some cases, concrete, metal, or steel sheets) affixed to a roof’s joists and trusses. These boards or sheets form a foundation for a home’s roofing system. Asphalt shingles (or whatever exterior roofing material a home utilizes) typically attach directly to the roof sheathing. Usually, if wooden boards are used, they receive a waterproof coating before installation as further protection from external elements. The Purpose Of Roof Sheathing To perform optimally, selecting the correct type of roof sheathing is vital.…