The addition will have t1 11 siding and a small composite shingle roof.
Flashing roof to existing siding.
Bent into an l shape.
Posted march 4 2017 filed under roof installation roof repair maintenance.
The increased distance between your home and the flashing itself makes t shaped flashing a better overall choice when you re going to install flashing on an existing roof.
Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap.
Galvanized sheet metal bent at a 90 degree angle i e.
To tie the roof into the siding the tin roofing panels must first be installed to.
A key part of my approach is using a special piece of flashing at this.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
I really don t want to have to cut the existing siding.
I need ideas on how to sufficiently waterproof where the addition s roof attaches to the house siding.
This flashing is typically field fabricated from a sheet of 26 ga.
On lean to roofs where a sloping roof plane meets the siding endwall flashing is necessary to prevent leaks.
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.
A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint.
On re roofs the sad case is that contractors do not always take the time to retrofit step flashing because it slows them down adds cost and additional carpentry work to repair or replace siding.
Water will run more smoothly across the flashing and be pushed farther away from your home helping you avoid excess moisture that can damage your siding.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
The house is sided with t1 11 4 inch oc.
Step flashing is needed whether a contractor installs new roofing or re roofs over existing shingles.
Lay a shingle over the step flashing starting at the roof edge.
The exterior of a house presents plenty of opportunity for leaks.
