How To Replace Rotten Lap Siding

Hardboard lap siding has been used on homes for years because it mimics the look of wood siding but is much less expensive.

How to replace rotten lap siding.

After you remove the rotted courses use a small hacksaw to cut any protruding nail shanks or if you have a very strong grip use a good pair of wire cutters. Take the replacement board fit it in place image 2 and nail it in with a hammer using galvanized nails. Remove the nails on the lap board then use the claw of the hammer to split the board down the center image 1. One of the disadvantages of hardboard siding is that exposure to water can cause it to deteriorate over time.

Tap flat bar under siding to loosen nails. Rotten hardboard siding before replacement with fiber cement siding. Secure old siding by driving ring shank nails down at an angle through the old nail holes. Once all the nails are removed from the adjoining board the damaged one should just pull out.

Replacing rotten hardboard siding video how to replace damaged hardboard siding with fiber cement video. However the amount of present rot can be deceptive. If the damaged area is large you ll have to replace the board or a part of the board. Watch this video to find out more.

Caulk and paint siding. Pull loose nails from clapboard siding. 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. Here s how to repair damaged clapboards also known as bevel or 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. Generally fiber cement sidings last a lot longer than their wooden counterparts. 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. Protect sound siding with a scrap piece of 1 4 in.

If a wood clapboard is rotted in a small area you can apply wood hardener and patch with wood filler or epoxy. When the repair is complete caulk all the end joints and then apply two coats of high quality exterior paint. To learn how to repair wood siding remove rotted boards with a flat pry bar.