How To Repair A Chip In Cement Fiber Siding

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.

How to repair a chip in cement fiber siding. Not only will that automatically improve its. Fiber cement siding defects failures problem troubleshooting. Mix the latex modified cementitious patching compound in a small bucket according to the. Step 4 apply fresh paint.

To repair hole in fiber cement siding there is a special putty that can be used as a patch. Step 2 replace the caulking. Face nail the top piece of fiber cement siding through the old 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.

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. The patch is mixed formed and spread to match the contours of the board. This putty should be included in every fiber cement repair kit. Refer to manufacturer recommendations for products that are compatible with fiber cement.

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. We also provide a master index to this topic or you can try the page top or bottom search box as a quick way. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water.

You then let the patch dry and sand it to blend into the surrounding parts of the plank. I wouldn t hesitate to use bondo on a 1 hole. Sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and create an easy grip surface. How to repair cracks in fiber cement siding.

Step 3 repair any holes. Step 1 clean the siding. If its blind nailed you can usually stick a couple of wood shims under the next clap to give you a bit of clearance. Cut the fiber cement siding to length wear approved dust protection.

Put on a pair of rubber gloves. Prime and paint new siding to match the old. On larger holes a tile nipper works well to rough out a plug patch and then bondo it in place. Use the carbide grit blade to cut out the bulk of the clap.

Fein multimaster is excellent for this. Patching fiber cement siding. Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding. How to patch hardieplank.

Before you do anything else you want to get the siding nice and clean.