Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system.
Flashings in the roof gables.
The fascia on the lower parts of the roof other than the gable are usually covered up by a gutter.
Open valleys have metal flashing to protect this critical area of the roof.
The decorative trim under the roof is not covered up with flashing.
Use of the gable trim results in clean finished edges to your roofing project and when used in conjunction with sealant can provide protection from wind driven rain can which causes rot the fascia and roof deck.
Edge of asphalt roofing extends above bed mold trim.
In modern buildings flashing is intended to decrease water penetration at objects such as chimneys vent pipes walls windows and door openings to make buildings more durable and to reduce indoor mold problems.
Roof drip edge flashing at roof eaves gable ends.
Roof drip edge flashing serves multiple functions on a building the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter.
Roof flashing is a very important part of a house.
This creates a horizontal top edge that is even with the bottom of the roof eaves.
The bottom row of vertical siding goes on the gable end of the house first.