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.
Roof lead flashing details.
Laps between pieces should not be less than 100mm.
Use a straight piece of batten to mark a line 25mm from the top edge of.
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.
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.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
Cover flashings are used where a felt or similar roof covering turns up against a wall.
The flashing extends up the wall at least 4.
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.
Edge flashing and starter strip.
Measuring lead roof flashing for a pitched roof.
The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.
Copper flashing is locked into this edge and extends at least 8 up the wall.
The flashing of the head of a batten seam roof at a wall is shown in this detail.
Lead is one of the most effectively recycled materials in the world and today more lead is produced through recycling than mining.
Lead flashings to asphalt bituminous felt or single ply roof.
Accurately predicting the performance of a roofing material initially.
Storm proof roof 2.
The extra kick at the bottom of the face directs run off away from the structure.
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.
A copper receiver holds the counterflashing at its top edge.
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.
Details roofing wrb flashing.
If a pitched roof is abutting a wall there are three measurements required when cutting and bending the lead work.
Sometimes called the overlap.