Flat Roof Flashing Details

Proper roof wall flashing example to install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.

Flat roof flashing details. 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 image details roofing wrb flashing. Small penetrations often do not require curbs. Typical methods include banding pitch pockets and cover flashings. The gibraltar galvanized drip edge flashing is made the gibraltar galvanized drip edge flashing is made from reliable 28 gauge galvanized steel.

M60 rubrpoly flashing sheets fields roof membrane sheets a 30 sq min 1 5 lb to 4 lb lead or 16 oz copper flashing adhered onto finished roof with m300 rubrmastic. Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane. Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies. The extra kick at the bottom of the face directs run off away from the structure.

This drip edge flashing provides protection from water damage along the eaves and rake of a roof. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. With sloped roofs the general approach is to attach the flashing before the roofing is installed. Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing.

Flat roofs are hard to replace. What typical detailing methods are used to seal flat roof penetrations. The preferred method of flashing penetrations through flat roofs involves the construction of a curb around the opening. Prime top surface of metal flashing with m400 rubrprime and install m60 rubrpoly flashing sheets.

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. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. Lead flashing maximum length. 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.