prov:value
| - ch of one-half inch per foot without a substantial rebuilding of the existing building, (B) a minimum twenty-year unlimited manufacturer's guarantee for water tightness covering material and workmanship on the entire roofing system, (C) the inclusion of vapor retarders, insulation, bitumen, felts, membranes, flashings, metals, decks and any other feature required by the roof design, and (D) that a
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