How to Repair Wood Siding. When hardboard siding is installed and maintained correctly, it can hold up for 30 or 40 years. But without proper attention, isolated areas can begin rotting in only a few years, especially near the foundation.

The butt-edge nails in the siding above the patch also need to come out. Tap the pry bar up under the undamaged siding at each nail shaft, then push the bar gently. With luck, the nails will pull out a bit so that when you tap the board back the nailheads

To repair vinyl siding, fill in minor imperfections with caulk, and then paint it to match the rest of the siding once it cures. For larger dents, cracks, or holes, start by cutting out the damaged segment of siding and removing it with a zip tool. Then,