The professional roofers install flashing in a way that water runs down the side of the flashing and directs to the shingles instead of flowing into the roof deck.
Roof flashing purpose.
Flashing is crafted to surround roof features such as vents chimneys and skylights.
Flashing is a material designed to keep moisture from entering the home through the roof.
After a long enough stretch flashing will succumb to age and will require repair or replacement.
With the help of underlayment roof flashing is required on your roof to keep water from getting underneath your shingles.
The purpose and application of roof flashings.
For pitched roofs regardless of the application or type of flashing used the purpose of flashing is to direct the flow of water that leaks into the intersection down and away from the interior of the structure to the topside of the roofing material.
What is the purpose of flashing on a roof.
The purpose of roof flashing roof flashings are fitted primarily to maintain a watertight roof.
The most difficult weather element to control is water and roof flashing acts as the last line of defense against water leakage.
Flashing is designed to protect roofs from rain ice snow and wind but it is not invincible.
It redirects water flow away from the interior of the building thus providing a defense against the major problems that can result from roof leaks.
Without a flashing fitted rain water would run down the chimney or the higher area of roof tiles and just disappear into the house interior where the chimney rises through the roof.
Flashing is used in various sections of a roof.
If the weather is harsh enough it can damage destroy or even wholly remove flashing from a roof.
The unsung hero of the operation is roof flashing.
It is usually found where the surface of the roof has contact with a wall such as the sidewall and front walls of a home.
This is roof flashing and its main purpose is to water away from the roof surface.
