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0055 Valley Flashing - Roofing - Steep Roof Flashings - Valley Flashings - Image Text: Top layer: 36 inches wide, centered in valley - mineral surface roll roofing (type M), granular face up > nails not more than 18 inches on-center and located 1 inch away from edges > Bottom layer: at least 18 inches wide, centered in valley - smooth surface roll roofing (type S) or mineral surface roll roofing (type M) (installed granular face down) > 4 inch wide band of cement |
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