The water runs down the siding and at the bottom of the first row of vinyl siding it drips off and contacts the metal flashing as it runs across the top of the fascia board.
Roof flashing under siding.
Bent into an l shape.
In this sense it seems more practical to install the siding first.
How to install step flashing.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
The water then runs off the flashing because it can t go up the flashing as it extends up behind the siding.
Step flashing is used where a roof meets a.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
Cement or roof caulk.
Some roofing components such as the flashing are easier to install without the siding.
Posted march 4 2017 filed under roof installation roof repair maintenance.
With the flashing in place let s see what happens.
Keep water out of your home and running down the roof where it belongs with appropriate use of step flashing.
Roof and siding install.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Take the first flashing piece at roof bottom and slice it at around 4 inches with tin snips.
This w shaped channel is placed over the top of building felt before the roof.
The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall.
How to install step flashing under siding.
Videos roofing wrb flashing siding exterior trim.
Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot.
I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof.
Open valleys have metal flashing to protect this critical area of the roof.
Valley flashing protects the valleys where two roof planes meet.
This flashing is typically field fabricated from a sheet of 26 ga.
Galvanized sheet metal bent at a 90 degree angle i e.
Otherwise the siding installer will need to be extra cautious.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Roof side flashing should be folded down over facing boards along roof lines.
