How To Patch Hardboard Siding

Allow the compound to dry according to manufacturer s directions printed on the container.

How to patch hardboard siding. Recognized for its density strength and traditional wood appearance masonite hardboard is a partially synthetic alternative to solid wood. For deep holes build up the patch with several successive layers allowing each to dry before applying the next. Sand the area smooth and then paint it to match the rest of the siding. Any buckled or moisture damaged hardboard siding must be replaced.

Apply the wood putty in layers when filling holes exceeding 1cm. Wash down the entire hardboard siding with water containing mild detergent and allow the siding to dry completely. Use sandpaper to smooth and even the entire hardboard siding surface. Apply 2 layers of acrylic latex primer using a paintbrush.

5 apply the compound. It holds paint better than wood. Repair masonite hardboard siding using basic supplies like this trowel. Siding on houses invariably will get damaged during the lifetime of the house.

Though it used to be a little more expensive than hardboard siding fiber cement siding now costs less in my area. Let each individual layer thoroughly dry before applying the next layer. Hardboard siding 8 inch wide costs 45 cents per linear foot while fiber cement runs 37 cents. There s one more thing homeowners like about fiber cement siding.

Buckling is usually another sign of moisture.