Fixing Siding Leaks

Vinyl siding institute cited below.

Fixing siding leaks.

Check to be sure weep holes are open along bottom of window openings. If you still have a leak pull the corner boards free and check the overlapping flashing at the corner. See reviews photos directions phone numbers and more for the best siding contractors in long beach ca. 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.

The rigid head flashing must be sealed to the exterior sheathing and to the top of the exterior casing fig. You ll want something strong like bondo or quickwood. Get quotes book instantly. Hire the best stucco repair contractors in los angeles ca on homeadvisor.

I would recommend removing the siding around the window and replacing the j channel. Replace any cracked rotted or missing siding making sure the new piece overlaps the step flashing by at least 2 in. Inspect the area above the leak including both indoors and out. Siding leak causes find the cause of leaky building siding the article lists the causes of leaks into building walls and provides links to in depth diagnostic and repair articles for each of them.

To repair leaky siding you can use exterior caulk to fill in any small cracks. Cut a notch on the ends of the rigid head flashing and bend them down over the sides of the exterior casing. Also see peel stick flashing membranes. Any attempt to caulk or seal this area using another method is not likely to have a long term result.

Once it has dried you can paint over it to maintain your home s curb appeal. The broken j channel is clearly the most likely source of a leak in vinyl siding.