Sentences with phrase «existing flat roof»
Not exact matches
Roof Assembly: R - 60 (nominal) vented attic: existing slate shingles, underlayment, and board sheathing; in knee wall and at sloped ceilings, 1» layer of polyisocyanurate rigid insulation between rafters, held away at least 1» from board sheathing, covered with closed - cell spray foam; attic above flat ceiling has deep layer of cellulose.
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«The new roof, of aluminum - coated steel, was installed with a system of light - gauge structural to increase the roof pitch to 1/4: 12,» he says, replacing an «especially flat» existing system.