Roof Apron Flashing Detail

Base flashing step flashing and counter flashing.

Roof apron flashing detail.

Product overview finish your roof line and protect the fascia board with the amerimax 10 ft. Details roofing wrb flashing storm proof roof 2. White aluminum roof apron flashing. Flashing is installed to surround roof features such as vents chimneys and skylights.

They are a combination base and cap flashing that are usually installed behind the siding and caps and over the sloped roofing materials. Correct flashing and detailing will improve the overall appearance of the finished job. Three types of flashing are typically used on each roof. Correct detailing of lysaght roof and wall flashing has more than cosmetic importance it is essential in ensuring the wet weather performance of the cladding.

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Flashing refers to the metal barrier installed where the roof meets any vertical wall including chimneys and dormers. The bottom leg of the step flashing is placed over the roof drainage plane. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.

Copper flashing is locked into this edge and extends at least 8 up the wall. The kick out flashing directs water away from the adjoining wall and ensures that the step flashing is not concentrating water on the surface of that wall. Flashing directs rainwater away from these junctions preventing subsequent leaks and water damage. The fabricated corner flashing needs a stop end with the stop end 35 mm minimum high up to the bottom of the cladding then cut back to also close off the cavity up to the top of the flashings.

A copper receiver holds the counterflashing at its top edge. An apron flashing is responsible for diverting water from a vertical surface into a gutter system. A critical component of step flashings along the run of the roof slope is a kick out flashing. Apron angle flashings are one piece l shaped flashings usually on the lower side of a chimney.

Finish your roof line and protect the fascia board with the amerimax 10 ft. The flashing helps guide run off away from shingles and into the gutters. The flashing of the head of a batten seam roof at a wall is shown in this detail.