Replacing Hardboard Siding

If you re replacing more than one board in a run simply hammer a nail into the top corner to support it and then move half way down the board.

Replacing hardboard siding.

We tear off the damaged hardboard and replace it with fiber cement siding. If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap. Check the rest of the hardboard siding for paint peelings. Install new hardboard siding.

In most cases the original layer of building paper or housewrap at the bottom of the wall was enough to prevent water infiltration and damage beneath the siding. Once the cuts are made prime the ends of the siding. Use a pry bar to remove the damaged siding. Let it dry before installing.

Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it. Attach the siding with 10d galvanized box nails driven into the overlap at least 1 2 in. Then hammer away on the rest of the board. Blind nail the fiber cement siding in place starting with the bottom piece.

Use a 4 foot level to check and then hammer in another nail. Remove any nails from the top piece of good siding. Make sure that the top surface of the siding is facing down away from the blade. The courses should overlap by at least 1 in.

To remove and replace damaged siding. Above the bottom edge. Replace siding by working from the bottom up you might need a helper here. Wash down the entire hardboard siding with water containing mild detergent and allow the siding to dry completely.

The sheathing and framing sometimes need repairs too but that is less common. Begin painting the siding by applying acrylic latex primer. Set the saw on the mark and slowly cut through the siding. Face nail the top piece of fiber cement siding through the old siding.

This will protect it from any water damage. Using a paintbrush apply two coats of exterior house paint over the putty to hide the repair. When you replace the boards use a homemade reveal set jig to match the reveal of the existing siding. If you replace hardboard sections with suitable replacement products fiber cement sidng or vinyl siding you will definitely notice a difference between the 2 siding products in thickness hardboard is thicker and style texture.

Set the depth of the skill saw to just go through the hardboard siding. Paint the dried putty to match the hardboard siding. Let each coat of paint dry individually as instructed by the manufacturer. Replacing the entire wall will blend better with the overall look of your home and also allow inspection of the sheathing to make sure there is no moisture damage or potential mold to other areas.