Flat Roof Edge Flashing Details

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.

Flat roof edge flashing details.

Roof drip edge flashing serves multiple functions on a building the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter. On the opposite side a continuous copper edge strip is attached to the coping and the lower edge is bent to form a drip. Make sure that the flashing strips for the gutter extend a minimum of 200 mm at the internal edge of the gutter so as to provide sufficient overlap for a batten in the seam detail. The flashing of the head of a batten seam roof at a wall is shown in this detail.

The extra kick at the bottom of the face directs run off away from the structure. The external edge of the gutter must be. Copper flashing is locked into this edge and extends at least 8 up the wall. The roof side of the copper is cleated to the nailable cant strip.

Two ways to flash roof edges. One common method is to lay the edge metal under the eaves membrane and over the rake. A copper receiver holds the counterflashing at its top edge. Details concrete masonry roofing wrb flashing.

This drip edge flashing provides protection from water damage along the eaves and rake of a roof. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. Roof drip edge flashing at roof eaves gable ends. Roof edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse.

They must be carefully designed and installed to provide the appropriate performance and life expectancy. Because of the wide variation in detailing this section will not. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The flashing membrane should be fully adhered onto the substrate over the full extent of the gutter.

The roof composition flashing extends up the cant strip over the coping and part way down its face under the copper flashing. Flashing is installed to surround roof features such as vents chimneys and skylights.