Cut a notch on the ends of the rigid head flashing and bend them down over the sides of the exterior casing.
How to stop mobile home siding from leaking.
Preparation for siding while correct installation reduces the risk of water running behind the siding it can t completely stop it.
The rigid head flashing must be sealed to the exterior sheathing and to the top of the exterior casing fig.
Use a caulking gun to apply a continuous bead of silicone sealant along the vertical seams between the vinyl j channels and the exterior window casings.
Vinyl siding institute cited below.
This is the total length of skirting that you will need to go all the way around your home.
Sandwich the top end of the sheeting with another pair of 2 by 4s so the wind will not carry it away.
First you need to measure the linear footage of your home.
Check to be sure weep holes are open along bottom of window openings.
How to stop rainwater from running behind house siding originally published november 29 2008 at 12 00 am gutter leaks can do hidden damage when siding masks the problem.
In some cases you will be able to repair simple mobile home roofing leaks caused by issues such as missing shingle caulking breakdown and flashing damage.
If you have a simple rectangular floorplan with no additions or porches just add up 2x the length of your home and 2x the width of your home.
Also see peel stick flashing membranes.
In most communities building codes require a moisture barrier.