Repairing Hardiboard Wall Siding

Slightly overlap the putty onto the surrounding hardboard by 1 inch.

Repairing hardiboard wall siding.

Remove the siding panel that is damage and install a fresh hardboard siding panel. Hardieplank is a cement lap siding product used on commercial and residential exteriors and is designed for very low maintenance and a long useful life. Watch this graphic depiction of the removal and replacement of hardboard siding. Though it is a tough wearing product the surface of the siding can sometimes be damaged during installation by unusual wear or by impact.

James hardie is the world leader in fiber cement siding and backerboard. Though it used to be a little more expensive than hardboard siding fiber cement siding now costs less in my area. Fortunately you can repair masonite hardboard siding with wood putty. Remove the damaged siding panel using a claw hammer and extract the nails left on the wall from the old panels using tin snips.

A few years ago we were headed on a little family vacay it seemed a million things needed to be done before we could get out of town. Hardboard siding 8 inch wide costs 45 cents per linear foot while fiber cement runs 37 cents. Immediately fill holes with a flexible all purpose filler such as pre mixed bridging and patching compound following label directions. Water splashes up from the ground frequently soaking the vulnerable bottom edges.

There s one more thing homeowners like about fiber cement siding. Step 2 pack wood putty into the hole using a trowel. Like when your hardie board gets messed up and you don t fix it until you decide to write a post called how to repair hardie board siding. It holds paint better than wood.

Scrub the brush around the hole to dislodge dirt and debris. Water from rain or sprinklers can damage hardboard and wood siding over time causing it to rot or deteriorate. When hardboard siding is installed and maintained correctly it can hold up for 30 or 40 years. Repairing hardboard siding if water seeps into joints between hardboard panels or penetrates through small holes it will cause the panels to deteriorate.

But without proper attention isolated areas can begin rotting in only a few years especially near the foundation. Step 1 clean the hardboard with a stiff bristle brush. Check the siding panel for molds holes or any damage. We ve been providing a better way to build for over 100 years.

How to repair wood siding. Here is a peek at our damaged hardie board.