If you intend to paint the patched area to match the siding use pre mixed bridging and patching compound sold at paint stores and home improvement centers.
Patch wood siding exterior.
Any product intended for interior use will crack and wash out in short order.
The clapboard you use for a patch should blend in seamlessly with your existing siding.
Remember to add new tar paper for extra weather proofing.
As long as the exterior paint is stable wood clapboard siding can last for decades.
Water putty can work both outdoors and indoors but without priming and paint it will mildew and fail rather quickly outside.
Then measure for proper fit of the new siding.
If your exterior siding has sustained damage you can patch it with filler but it has to be the right kind of filler.
Here s how to make sure you have a patch that s a perfect match before you begin.
See how to remove the damaged siding with little damage to existing siding.
Drying time varies wildly depending on how big the wood patch is and the weather.
But even a hairline crack in the paint can introduce water and water leads to rot and mold.
Unfortunately it can receive damage from extreme weather or bad remodeling that makes it.
Measure the butt edge thickness and the widths of the exposed faces of a few courses on the wall.
How to patch wood siding.
Learn how to repair wood siding yourself with a complete material list and step by step instruction.
Fix small holes in siding with an exterior patching compound available in a premixed form much like interior spackling compound and in a dry powder form that you mix with water.
Work the putty down into the holes and smear the putty over the top and edges of the defect.
Use a putty knife to apply exterior wood putty to smaller cracks or holes in siding.
Finally attach the new siding with sliding nails that do not rust and fill seams with outdoor caulk.
Repairing wood siding is integral to owning a home with wood siding.
Wood siding often lasts for many years especially if you keep paint on it.
Though wood siding is very strong a sufficient physical impact can split and crack it.
Just make sure the package states that the patching compound is for outdoor use.
Step 2 follow the manufacturer s instructions regarding dry time.