Fiber Cement Siding Patch

Buckling fiber cement siding may also occur if the product was not properly nailed.

Fiber cement siding patch.

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. 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. These areas include but not limited to penetrations flashings plank and trim connections and in some cases between plank joints. 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 a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Buckled fiber cement siding is most likely to occur because the installer failed to give the recommended gap between the ends of the fiber cement boards and abutting vertical trim at corners windows doors etc. 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. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.

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. 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. Put on a pair of rubber gloves.