Roof Lead Flashing Details
Often seen on the front and back of a chimney abutting brickwork on flat roofs or where a roof meets the brickwork of a house or outbuilding.
Roof lead flashing details. Cover flashings are used where a felt or similar roof covering turns up against a wall. 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. Copper flashing is locked into this edge and extends at least 8 up the wall. The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.
The soft aluminum base conforms to most metal roof panels. Laps between pieces should not be less than 100mm. This flashing provides protection for pipes cables conduits and wires. 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.
Master flow lead roof flashing used as boot flashings around pipes extending through roof. Details roofing wrb flashing two ways to flash roof edges protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. The temperature of lead on a roof varies constantly. One common method is to lay the edge metal under the eaves membrane and over the rake.
Fixing of lead sheet flashings fixings to abutment walls 29 soakers and step flashings step and cover flashings and secret gutters 30 cover flashings 31 apron flashings 32 chimney flashings 33 pitched valleys 34 ridges and hips 35 mitred hip and valley soakers 36 parapet and tapered gutters 36 drips and rolls for gutters 37. A copper receiver holds the counterflashing at its top edge. As mentioned above apron flashing or cover flashing are probably the most common type of roof flashings in the u k. The flashing of the head of a batten seam roof at a wall is shown in this detail.
When the lead rests directly onto sawn timber on a steeply pitched roof and non resinous timber has been used underlay may not be necessary. Up to 5 3 4 in. On a low pitch roof where the lead isn t free to move it is more likely to buckle on expansion or stretch as it contracts. Because of their versatility.