Roofing underlayment serves many purposes. Roofing underlayment protects the sheathing (decking) before the roofing cover, such as shingles or tile, is installed. It acts as an extra layer of protection…
Roof Sheathing & Decking Roofing Exam Study Guide
Determining the type of sheathing you’ll need to support the roof covering depends on several things such as the type of roof you are going to install, the slope of…