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.

Two ways to flash roof edges. The roof side of the copper is cleated to the nailable cant strip. One common method is to lay the edge metal under the eaves membrane and over the rake. Roof edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse.

Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels. Roof drip edge flashing at roof eaves gable ends. On the opposite side a continuous copper edge strip is attached to the coping and the lower edge is bent to form a drip. This drip edge flashing provides protection from water damage along the eaves and rake of a roof.

The flashing of the head of a batten seam roof at a wall is shown in this detail. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. They must be carefully designed and installed to provide the appropriate performance and life expectancy. 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 external edge of the gutter must be. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. The roof composition flashing extends up the cant strip over the coping and part way down its face under the copper flashing. The flashing membrane should be fully adhered onto the substrate over the full extent of the gutter.

Copper flashing is locked into this edge and extends at least 8 up the wall. Because of the wide variation in detailing this section will not. Flashing is installed to surround roof features such as vents chimneys and skylights. 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.

The extra kick at the bottom of the face directs run off away from the structure. Click to enlarge any image.