The exterior of a house presents plenty of opportunity for leaks.
Flashing siding peak.
Drive one nail to hold it in place.
Install a reverse peak flashing for the other side of the roof so the two wall edges overlap in an x nail step flashing at a peak so the roof side extends over peak flashing on the roof.
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.
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.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
The flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
First step flashing must be installed before the siding so that the siding can cover the top of the flashing.
Whenever you are going to attach a deck or porch to the house add a protective flashing between the house and the ledger board.
Attach each piece with a single nail high enough to be covered by the next course of flashing the building wrap and the siding.
If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this.
The flashing needs to be installed before installing the roof shingles.
A key part of my approach is using a special piece of flashing at this.
This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
L flashing can be cut into smaller lengths to use as step flashing.
Second step flashing needs to extend 8 to 14 inches above the shingles according to the national roofing contractors association nrca.
Made with 28 gauge galvanized steel l flashing can play an essential part in protecting your home against water damage.
If this is a repair job the siding must also be removed and replaced with the flashing.
For the first side cut the step flashing along the fold line and bend down the lower flap.
Tape this is the newest form of flashing and comes as a self adhering flexible membrane.
Vinyl this is the type of flashing that usually comes with vinyl siding.
