How To Repair A Chip In Cement Fiber Siding

This article describes the types of problems that occur in fiber cement siding installations in north america including siding shrinkage gaps at butt joints cracks breaks and loose or buckling siding boards or shakes.

How to repair a chip in cement fiber siding.

Use the carbide grit blade to cut out the bulk of the clap. Put on a pair of rubber gloves. Not only will that automatically improve its. 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.

Fein multimaster is excellent for this. Sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and create an easy grip surface. Blind nail the fiber cement siding in place starting with the bottom piece. This putty should be included in every fiber cement repair kit.

Step 3 repair any holes. 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. Step 2 replace the caulking.

Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process. If its blind nailed you can usually stick a couple of wood shims under the next clap to give you a bit of clearance. How to repair fiber cement siding. Refer to manufacturer recommendations for products that are compatible with fiber cement.

Dip a soft bristle brush into the. How to patch hardieplank. I wouldn t hesitate to use bondo on a 1 hole. Patching fiber cement siding.

You then let the patch dry and sand it to blend into the surrounding parts of the plank. Face nail the top piece of fiber cement siding through the old siding. On larger holes a tile nipper works well to rough out a plug patch and then bondo it in place. Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding.

Mix the latex modified cementitious patching compound in a small bucket according to the. Step 1 clean the siding. The patch is mixed formed and spread to match the contours of the board. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.

Prime and paint new siding to match the old. Before you do anything else you want to get the siding nice and clean. Fiber cement siding defects failures problem troubleshooting. It is usually a good idea to use air to blow off any loose dust first and work rub with stick the bondo into the edges of the hole to be filled for good adhesion.

Cut the fiber cement siding to length wear approved dust protection.