How To Repair Holes In Fiber Cement Siding

Step 1 clean the siding.

How to repair holes in fiber cement siding. Step 2 replace the caulking. Scoop up some of the. 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. Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process.

The patch is mixed formed and spread to match the contours of the board. Put on a pair of rubber gloves. Before you do anything else you want to get the siding nice and clean. Refer to manufacturer recommendations for products that are compatible with fiber cement.

How to repair fiber cement siding. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. To repair hole in fiber cement siding there is a special putty that can be used as a patch. 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.

Step 4 apply fresh paint. You then let the patch dry and sand it to blend into the surrounding parts of the plank. This putty should be included in every fiber cement repair kit. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.