Replacing Hardboard Siding

Set the saw on the mark and slowly cut through the siding.

Replacing hardboard siding.

Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it. 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. Set the depth of the skill saw to just go through the hardboard siding. To remove and replace damaged siding.

Once the cuts are made prime the ends of the siding. Use sandpaper to smooth and even the entire hardboard siding surface. This will protect it from any water damage. Wash down the entire hardboard siding with water containing mild detergent and allow the siding to dry completely.

Let each coat of paint dry individually as instructed by the manufacturer. Remove the peelings using a scraper. 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. Blind nail the fiber cement siding in place starting with the bottom piece.

Remove any nails from the top piece of good siding. Using a paintbrush apply two coats of exterior house paint over the putty to hide the repair. Begin painting the siding by applying acrylic latex primer. Face nail the top piece of fiber cement siding through the old siding.

Cut the fiber cement siding to length wear approved dust protection. If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap. Above the bottom edge. 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.

Then hammer away on the rest of the board. The courses should overlap by at least 1 in. Replace siding by working from the bottom up you might need a helper here. Check the rest of the hardboard siding for paint peelings.

We tear off the damaged hardboard and replace it with fiber cement siding. Let it dry before installing. Attach the siding with 10d galvanized box nails driven into the overlap at least 1 2 in. Paint the dried putty to match the hardboard siding.

Install new hardboard siding. The sheathing and framing sometimes need repairs too but that is less common. Use a 4 foot level to check and then hammer in another nail. 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.