Laps between pieces should not be less than 100mm.
Roof lead flashing details.
Lead is one of the most effectively recycled materials in the world and today more lead is produced through recycling than mining.
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.
The extra kick at the bottom of the face directs run off away from the structure.
The cover the amount of lead that covers the tiles or slates beneath to make them waterproof.
Apron flashings these are standard lead flashings to a tiled roof or slate roof and consist of the 3 measurements as described above wherever a roof meets a wall.
Accurately predicting the performance of a roofing material initially.
Measuring lead roof flashing for a pitched roof.
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.
Edge flashing and starter strip.
Use a straight piece of batten to mark a line 25mm from the top edge of.
Cover flashings are used where a felt or similar roof covering turns up against a wall.
If a pitched roof is abutting a wall there are three measurements required when cutting and bending the lead work.
Lead flashings to asphalt bituminous felt or single ply roof.
Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
A copper receiver holds the counterflashing at its top edge.
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.
Whilst shaping some of the oldest and most beautiful architecture lead is regularly used in more modest commercial and domestic roofing too from whole roof coverings porches turrets and parapet roofing to modern roof waterproofing details like flashings valleys and gutters.
Sometimes called the overlap.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
The flashing of the head of a batten seam roof at a wall is shown in this detail.
Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.
The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.
Flashing is installed to surround roof features such as vents chimneys and skylights.