Posted march 4 2017 filed under roof installation roof repair maintenance.
How to use flat vinyl flashing on a roof.
Open valleys have metal flashing to protect this critical area of the roof.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
How to install roof flashing against a wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
You may want to paint the flashing to match the roof.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
Step flashing step flashing redirects the water back onto the shingle.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
Galvanized sheet metal bent at a 90 degree angle i e.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
This flashing is typically field fabricated from a sheet of 26 ga.
To get the best from the flashing you should fit of the sheet onto the side of the roof and the other half onto the building or addition which it is touching.
First use a stiff wire brush and solvent to clean the surface of any dirt debris or corrosion keep solvent away from asphalt shingles.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
How to maintain roof flashing.
Coat the flashing with a zinc based primer followed by two or more coats of spray on rust preventive metal paint.
I cut the tape so that it laps onto the housewrap above and 3 in.
For information on how to prevent ice dams please see how to prevent ice dams.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Above the roof sheathing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Bent into an l shape.
Most flashing is 8 inches wide.
