How To Replace Water Damaged Siding

To do this locate the seams around the 4 by 8 foot piece of plywood siding that are filled with caulk or silicone sealant.

How to replace water damaged siding.

A quick video showing you how to replace damaged siding on your house all by yourself. In most cases the original layer of building paper or housewrap at the bottom of the wall was enough to prevent water infiltration and damage beneath the siding. Generally speaking if drywall has swelled or sagged 3 8 of an inch or more from the baseline then you need to replace the entire sheet. Make sure that the new siding matches the old.

In most cases the original layer of building paper or housewrap at the bottom of the wall was enough to prevent water infiltration and damage beneath the siding. The repair is simple if you follow the details in the illustration above. Insert the new insulation into the wall with the paper facing the interior of the wall. The sheathing and framing sometimes need repairs too but that is less common.

Cover the new area with felt paper or house wrap and replace the exterior siding. We tear off the damaged hardboard and replace it with fiber cement siding. Prime caulk and repaint the new siding if necessary. Wedge each damaged shake or shingle out driving wedges under the damaged shake and under the shakes that overlap it.

And remember to check the insulation behind the drywall for damage as well. The sheathing and framing sometimes need repairs too but that is less common. Step 1 remove the water damaged plywood siding after you have located the sheet of plywood siding that is water damaged you ll need to remove it. Otherwise you can cut out and water damage repair the water stained portion.

Replace the exterior sheathing plywood or osb and attach with penny nails. Pull out or cut off all nails as above.