Underlayment, for example felt paper, functions as sheathing in between the roof deck and any moisture that creeps beneath the shingles. Transfer nearly the next shingle row, offsetting the shingles horizontally by about 6 inches so the tabs are staggered. Each individual three-tab shingle needs 4 nails, a person over https://sethsxaei.wikipublicity.com/5687913/carol_stream_can_be_fun_for_anyone