Tip: Repair for rotted wood

If you have exterior window sills, doors and windows that are rotting away and you can't justify replacement, the following technique has worked great for me. First remove all the rotted wood. If the cavity is large, fill some of the volume with scraps of treated wood. Then mx up auto body filler to fill the remaining cavity. File and or sand it to shape and then paint it to match the surrounding surface.

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