NRCA Roofing Manual: Architectural Metal Flashing, Condensation and Air Leakage Control, 2018NRCA Roofing Manual: Architectural Metal Flashing Condensation and Air Leakage Control, 2018 The 2018 manual contains information about the design, materials and installation techniques applicable to architectural sheet metal components and includes 60 construction details. In addition, the manual provides background information regarding moisture and air leakage issues in buildings such as ventilation for steep slope roof assemblies and condensation
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NRCA Roofing Manual: Architectural Metal Flashing, Condensation and Air Leakage Control, 2018