How To Repair Cracked Fiber Cement Siding

To repair hole in fiber cement siding there is a special putty that can be used as a patch.

How to repair cracked fiber cement siding.

Refer to manufacturer recommendations for products that are compatible with fiber cement. This putty should be included in every fiber cement repair kit. Cracking due to an impact on the surface of a fiber cement board is less likely because the material tends to dent rather than fracture when well supported. Use a plastic putty knife to apply the patching material to the damaged area filling in the area and shaping the patch to match the original contours of the siding.

Before you do anything else you want to get the siding nice and clean. Step 2 replace the caulking. How to repair fiber cement siding. Step 3 repair any holes.

Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Not only will that automatically improve its. Scoop up some of the. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.

How to repair cracks in fiber cement siding step 1. Step 4 apply fresh paint. Step 1 clean the siding. 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.

Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process. You then let the patch dry and sand it to blend into the surrounding parts of the plank.