How To Replace Rotten Lap Siding

Here s how to repair damaged clapboards also known as bevel or lap siding.

How to replace rotten lap siding.

Wedge the board away from the house by driving wedges up under the damaged board to pull it out from the sheathing below. Tap flat bar under siding to loosen nails. Remove the nails on the lap board then use the claw of the hammer to split the board down the center image 1. When the repair is complete caulk all the end joints and then apply two coats of high quality exterior paint.

Once all the nails are removed from the adjoining board the damaged one should just pull out. Watch this video to find out more. Pry off the rotted boards. Take the replacement board fit it in place image 2 and nail it in with a hammer using galvanized nails.

You can cut a board almost anywhere if your sheathing is solid plywood or osb but if the sheathing is not solid it must be cut in the middle of a. One of the disadvantages of hardboard siding is that exposure to water can cause it to deteriorate over time. In this video this old house general contractor tom silva explains how to repair clapboards. Generally fiber cement sidings last a lot longer than their wooden counterparts.

Hardboard lap siding has been used on homes for years because it mimics the look of wood siding but is much less expensive. To learn how to repair wood siding remove rotted boards with a flat pry bar. Pull loose nails from clapboard siding. Rotten hardboard siding before replacement with fiber cement siding.

Protect sound siding with a scrap piece of 1 4 in. Secure old siding by driving ring shank nails down at an angle through the old nail holes. If your siding has a lot of damage due to pests or rot then that s probably the time to think about replacing it for a more robust siding like this fiber cement lap siding. Caulk and paint siding.

If a wood clapboard is rotted in a small area you can apply wood hardener and patch with wood filler or epoxy. However the amount of present rot can be deceptive. Replacing rotten hardboard siding video how to replace damaged hardboard siding with fiber cement video.