Roof Edge Flashing Details

The bottom leg of the step flashing is placed over the roof drainage plane. 68 profiles in over 40 colors quality edge s full line of drip edge or perimeter edge flashings provides the visual appeal homeowners are seeking and the performance sophisticated builders and contractors rely upon to protect roofs exposed edges and other areas exposed to the elements. Roof drip edge flashing at roof eaves gable ends 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.

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A critical component of step flashings along the run of the roof slope is a kick out flashing.

Roof edge flashing details.

Roof edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse. Gibraltar building products 20 amerimax home products 4 oatey 3 fabral 2 metal sales 1 price. Details roofing wrb flashing. Storm proof roof 2.

Copper flashing is locked into this edge and extends at least 8 up the wall. Roof edge flashing 1 900 drip edge possibilities. They must be carefully designed and installed to provide the appropriate performance and life expectancy. Set custom price range.

Gibraltar building products 2 in. At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter while this is a nice diagram of how these flashings work don t forget our 5 th design rule. Edge flashing and starter strip. Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing.

Click to enlarge any image. Because of the wide variation in detailing this section will not. 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. The design of flashing details at the perimeter edges that do not have walls parapets or other vertical surfaces requires diligence.

A study conducted by factory mutual indicated that of 145 roof failures 85 occurred due to inadequate perimeter flashings. Flashing is installed to surround roof features such as vents chimneys and skylights. The majority of roof failures caused by hurricane hugo began at the perimeter edge. 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.

The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. A copper receiver holds the counterflashing at its top edge. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. Galvanized steel drip edge flashing in weathered wood model 08316 7 10 7 10.

The flashing of the head of a batten seam roof at a wall is shown in this detail.