Fiber Cement Siding Repair Patch

Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.

Fiber cement siding repair patch.

To repair hole in fiber cement siding there is a special putty that can be used as a patch. The patch is mixed formed and spread to match the contours of the board. 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. However even this stuff isn t impervious to the test of time and the forces of nature so you might find yourself needing to give your siding a little sprucing and repair from time to time.

Fiber cement siding looks like wood but it s actually a tough industrial material alternative that s waterproof fire proof insect resistant making it a very popular choice for most homeowners. The siding may look like wood it may have a wood grain effect but it is primarily cement and requires a cement patch. How to repair cracks in fiber cement siding step 1. Put on a pair of rubber gloves.

You then let the patch dry and sand it to blend into the surrounding parts of the plank. These areas include but not limited to penetrations flashings plank and trim connections and in some cases between plank joints. It has strong multi material adhesion to tough porous and non porous materials making it ideal for exterior applications such as the installation finishing or repairing of fiber cement siding pvc trim board vinyl siding metal composite concrete brick wood and more. Repair or patching fiber cement board siding dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound.

This putty should be included in every fiber cement repair kit. Though it is a tough wearing product the surface of the siding can sometimes be damaged during installation by unusual wear or by impact. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s. First clean the area thoroughly with a damp cloth and remove any hanging particles.

Scoop up some of the. Apply the patch product and paint on a day with no rain to speed drying and curing time and prevent water damage to your patch project.