Roof Edge Flashing Details

A study conducted by factory mutual indicated that of 145 roof failures 85 occurred due to inadequate perimeter flashings.

Roof edge flashing details.

The bottom leg of the step flashing is placed over the roof drainage plane. The majority of roof failures caused by hurricane hugo began at the perimeter edge. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten. Because of the wide variation in detailing this section will not.

Copper flashing is locked into this edge and extends at least 8 up the wall. Edge flashing and starter strip. Set custom price range. Click to enlarge any image.

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. 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. 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.

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 edge details 9 1 general of all exterior building components roofs probably have the greatest exposure to environmental and physical abuse. 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.

Gibraltar building products 2 in. The design of flashing details at the perimeter edges that do not have walls parapets or other vertical surfaces requires diligence. They must be carefully designed and installed to provide the appropriate performance and life expectancy. Storm proof roof 2.

Flashing is installed to surround roof features such as vents chimneys and skylights. Roof edge flashing 1 900 drip edge possibilities. 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. A critical component of step flashings along the run of the roof slope is a kick out flashing.

Details roofing wrb flashing.