Flat Roof Lead Flashing Detail

Lead sheet for lead flashing should be no longer than 1 5 metres.

Flat roof lead flashing detail.

The metal flashing is formed with a hook edge and cleated on 12 centers. Code 4 lead sheet is normally used for this work and it is important that the length of each piece of flashing does not exceed 1 5m. Click to enlarge any image green arrow. Use a straight piece of batten to mark a line 25mm from the top edge of.

From left to right. If the lead is cut any longer it could lead to splitting of the lead work due to expansion and contraction. Typical methods include banding pitch pockets and cover flashings. Our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing.

Points to the white aluminum drip edge installed at the lower roof edge. Our photo illustrates several details of roof drip edge eaves flashing and gable end flashing at an asphalt shingle re roof job we documented in dutchess county new york. More product details close. The extra kick at the bottom of the face directs run off away from the structure.

When fitting flashings they should overlap by a minimum of 100mm. All the same rules of flashing apply except only the measurements of chase depth and drop are required. What typical detailing methods are used to seal flat roof penetrations. 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.

Cover flashings are used where a felt or similar roof covering turns up against a wall. This drip edge flashing provides protection from water damage along the eaves and rake of a roof. Clip strength is increased the closer the clip is fixed to the free edge of the lead sheet or flashing. The flashing extends up the wall at least 4.

Laps between pieces should not be less than 100mm. Roll detail at drips and abutments 41 flat roof roll and drip intersections 42 pitched roof joints and fixings 43 pitched roof intersection with valley 44. Drip edge is also sold in brown. Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.

An approved sealant is then applied to the top of the membrane upstand before it is tied off with a jubilee clip. 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 flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Although fixing near the base of the clip is not recommended for.

Flashing is installed to surround roof features such as vents chimneys and skylights.