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. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. 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. 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. 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. Start by purchasing fiber cement patch material do not use wood putty or any other product made to repair wood. 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. 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.

These areas include but not limited to penetrations flashings plank and trim connections and in some cases between plank joints. Put on a pair of rubber gloves. Scoop up some of the. Fiber cement siding repair or patching re applying caulking when it has begun to show signs of wear can help keep moisture from getting into the wall cavity.