what are the layers of roofing?
['Decking. The roof deck is the roof layer (also called sheathing) that is installed between the trusses & joists and underlayment layer in a typical roof install. ... ', 'Starter Strip. Starter strip shingles are a strip of shingles that line every edge of your houses roof. ... ', 'Underlayment. ... ', 'Shingles. ... ', 'Ridge Caps.']