Fiber Cement Siding Patch

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.

Fiber cement siding patch. Though it is a tough wearing product the surface of the siding can sometimes be damaged during installation by unusual wear or by impact. 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. Buckling fiber cement siding may also occur if the product was not properly nailed. Start by purchasing fiber cement patch material do not use wood putty or any other product made to repair wood.

Scoop up some of the. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. The siding may look like wood it may have a wood grain effect but it is primarily cement and requires a cement patch.

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. How to repair cracks in fiber cement siding step 1. Put on a pair of rubber gloves. 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.