Patching Exterior Wood Siding

Clean the hole or depression you plan to fill.

Patching exterior wood siding. Fill the area with patching compound. Roughen the area you want to patch with 80 grit sandpaper for a better bond. Measure the butt edge thickness and the widths of the exposed faces of a few courses on the wall. Score the cut line with the utility knife guided by a square.

The guide below outlines how you can go about repair. If its function is purely aesthetic like molding trim or siding then it can often be patched. The type of filler follows the size of the patch. Seal these joints with a 35 year paintable acrylic caulk.

The clapboard you use for a patch should blend in seamlessly with your existing siding. The heads will break the paper face allowing water to soak in and deteriorate the siding. However in cases where the damage is extensive it is best to remove the entire panel and replace it with a similar one. Use a putty knife to push the mixture into the nail holes quickly since superglue dries so quickly.

Caulk any nailheads that break the paper face. Once it s dry it can be sanded just like wood to create a smooth finished surface. To patch holes and depressions in siding of any kind follow these steps. Any holes and gouges larger than 1 2 in.

For holes up to and gouges narrower than 1 2 in use elmer s interior exterior carpenter s wood filler. Scoring prevents the wood from chipping when you cut it. Automobile body filler is a great choice because this two part compound dries very hard very quickly so you can fill voids and make repairs very easily. Line up the ends and using the old piece as a guide mark the new clapboard with a utility knife.

If your exterior siding has sustained damage you can patch it with filler but it has to be the right kind of filler. Any product intended for interior use will crack and wash out in short order. With wood siding the repair is usually necessitated by chips cracks holes warp or rot in the wood. Add an inch to the face width to account for the overlap of the piece above.

To patch wood using this method you ll need sawdust from the specific wood you are patching. Easy instructions on replacing repairing rotten or damaged t1 11 siding on your house. Additionally we show how to repl. Place a full length piece of the damaged siding on the face of the replacement.

Here s how to make sure you have a patch that s a perfect match before you begin. Gap at corner and butt joints. Should be filled with an epoxy filler or bondo. You don t need a lot of glue just enough to bind the sawdust together and create a thick paste.

Courtesy of simpson strong tie.