Essentially flat roof flashing is strips of metal that are bent at a 90 degree angle.
Flat roof lead flashing.
Flat roof flashing is a very important component of a roof and should never be ignored.
Lead flashing has been used for hundreds of years in situations such as where a roof meets a wall on a roof valley around other penetrations such as chimneys pipes and around window and door openings.
Chimney dormer window skylight vents and roof valleys will all have a flashing where they join or disappear through the roof.
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.
This flashing provides protection for pipes cables conduits and wires.
The soft aluminum base conforms to most metal roof panels.
Porches walls doors and windows even the foundations but the most common area is the roof.
Here is a guide on how to install lead flashing to your roof.
Their main purpose is to act as a defense against rain snow ice moisture and even some debris.
All the same rules of flashing apply except only the measurements of chase depth and drop are required.
Flashings can be found in many external areas of a house.
Anything which rises through or joins to the roof will have a flashing.
Up to 5 3 4 in.