Replacing Rotted Hardboard Siding

The sheathing and framing sometimes need repairs too but that is less common.

Replacing rotted hardboard siding. Blind nail the fiber cement siding in place starting with the bottom piece. Replace rotten sheathing if needed replace the sheathing behind the siding using 1 2 plywood covered with builder s. Remove damaged siding. The steps involve cutting away the rotten siding clearing out the old nails cutting the new siding to the appropriate length and fastening the siding as well as caulking it to make the siding watertight.

Position the groove along the bottom part of the new wood piece onto the upper edge of the wood piece. 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. Failure to do so can lead to moisture and insect infiltration that will in turn lead to rotting and deterioration of the boards. You also need to stay on top of the caulking.

The process of replacing rotten wood siding isn t difficult. Hardboard siding needs to be primed and painted just like wood. Cut the fiber cement siding. Watch this graphic depiction of the removal and replacement of hardboard siding.

Cut fiber cement. We tear off the damaged hardboard and replace it with fiber cement siding. Place the new wood piece under the lower edge of the blank in the upper plank. The nails should be placed into each of the individual wall studs.

Cut fiber cement siding. Consider replacing rotted areas with fiber cement siding. Face nail the top. If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s.

Cut the fiber cement siding to length wear approved dust protection. Remove damaged siding remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage. To remove and replace damaged siding. How to remove and replace siding.

The spaces between each piece of hardboard and along the edges need to be filled with caulk. Using 2 inch siding nails attach the new wood piece. Thinner than most hardboard but it works in many cases has a comparable cost is highly rot resistant and carries a 50 year warranty.