Flat Roof Lead Flashing Detail

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.

Flat roof lead flashing detail. Laps between pieces should not be less than 100mm. The extra kick at the bottom of the face directs run off away from the structure. 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. All the same rules of flashing apply except only the measurements of chase depth and drop are required.

Click to enlarge any image green arrow. From left to right. Flashing joints are lapped 6 in the direction of water flow. The metal flashing is formed with a hook edge and cleated on 12 centers.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Drip edge is also sold in brown. Cover flashings are used where a felt or similar roof covering turns up against a wall. Flashing is installed to surround roof features such as vents chimneys and skylights.

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. Points to the white aluminum drip edge installed at the lower roof edge. Clip strength is increased the closer the clip is fixed to the free edge of the lead sheet or flashing. Copper flashing is locked into this edge and extends at least 8 up the wall.

Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels. Use a straight piece of batten to mark a line 25mm from the top edge of. This drip edge flashing provides protection from water damage along the eaves and rake of a roof. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.

A copper receiver holds the counterflashing at its top edge. More product details close. 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. The flashing of the head of a batten seam roof at a wall is shown in this detail.

Although fixing near the base of the clip is not recommended for.