Flat Roof Lead Flashing Detail

Laps between pieces should not be less than 100mm.

Flat roof lead flashing detail. All the same rules of flashing apply except only the measurements of chase depth and drop are required. 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. 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. The flashing extends up the wall at least 4.

More product details close. Typical methods include banding pitch pockets and cover flashings. What typical detailing methods are used to seal flat roof penetrations. 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.

Click to enlarge any image green arrow. Lead flashing onto a flat roof when fitting flashings to flat roofs no overlap onto the roof is required as the roof itself will have it s own upstand flashing built into it. Clip strength is increased the closer the clip is fixed to the free edge of the lead sheet or flashing. Points to the white aluminum drip edge installed at the lower roof edge.

An approved sealant is then applied to the top of the membrane upstand before it is tied off with a jubilee clip. Although fixing near the base of the clip is not recommended for. The metal flashing is formed with a hook edge and cleated on 12 centers. Flashing is installed to surround roof features such as vents chimneys and skylights.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. The extra kick at the bottom of the face directs run off away from the structure. Lead sheet for lead flashing should be no longer than 1 5 metres. Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.

This drip edge flashing provides protection from water damage along the eaves and rake of a roof. Lead roof flashing length. Cover flashings are used where a felt or similar roof covering turns up against a wall. If the lead is cut any longer it could lead to splitting of the lead work due to expansion and contraction.

Drip edge is also sold in brown. 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. Flashing joints are lapped 6 in the direction of water flow. When fitting flashings they should overlap by a minimum of 100mm.

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.