How To Repair Water Damaged Wood Siding

This process called back priming will seal all sides of the wood to prevent moisture from causing the wood to deteriorate prematurely.

How to repair water damaged wood siding.

Place the speed square against the bottom of the damaged siding board and draw a vertical line with the carpenter s pencil. The repair is simple if you follow the details in the illustration above. Cut all the way through the board to include the damaged area. We tear off the damaged hardboard and replace it with fiber cement siding.

Cut away the paint and caulking. When people have damaged wood siding they often ask what s the best way to repair it the first step is to prime the new wood you ll be using for the repair on the front back and end grain. When the board is completely cut through on both sides of the damage the damaged section should pull down and out fairly easily. Pull the bar toward you don t push it so you don t mar or crack the neighboring clapboards.

To break loose the lower half of the damaged piece start at one end and gently tap a small pry bar underneath the butt edge next to a nail. Additionally we show how to repl. 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. If necessary move the wedges to make room for the saw but leave the wedges under the clapboard.

The sheathing and framing sometimes need repairs too but that is less common. Tips and tricks for the best results.