Roof Flashing Details Pdf

Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain.

Roof flashing details pdf.

3 12 flashing large roof penetrations 17 3 13 flashing small roof penetrations 19 3 14 expansion 20 3 15 standard roof flashings 21 3 16 non standard roof flashings cappings 24 3 17 box gutters 25 3 18 barge gutters and capping 26 4 0 typical wall flashings 27 4 1 cladding orientation 27 4 2 walling profile running horizontally 27. Metal flashing section details sm of the nrca roofing manual. Refer to the details. Roof membrane will always drain free and clear of any adjacent system.

Also try to ensure that the membrane does not rely on adhered or embedded sheet metal for water proofing. Architectural metal flashing conden sation control and reroofing. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. By knowing you have access to all of the right information from proper storage and installation instructions to trim and flashing details you can be confident installing your fabral materials.

Nrca does not recom mend caulking the joint between the bottom of the exte rior vertical face of a coping cap or metal edge flashing and building ex terior because it does not add to the wa terproo fing integrity.