Up to 5 3 4 in.
Roof lead flashing details.
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.
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.
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.
Laps between pieces should not be less than 100mm.
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.
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.
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.
This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in.
Because of their versatility.
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.
A copper receiver holds the counterflashing at its top edge.
The temperature of lead on a roof varies constantly.
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.
The soft aluminum base conforms to most metal roof panels.
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.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Master flow lead roof flashing used as boot flashings around pipes extending through roof.
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.
