How To Repair Fiber Cement Siding

Step 1 clean the siding.

How to repair fiber cement siding.

How to repair cracks in fiber cement siding step 1. The company recommends 100 acrylic paint. Cut ends of fiber cement siding should have been sealed using 100 acrylic latex primer or paint certainteed or in some cases using an approved caulk wiped. Not only will that automatically improve its.

Scoop up some of the. Prime and paint new siding to match the old. How to repair fiber cement siding. 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.

14 see james hardie technical bulletin 17 for painting and other fiber cement repair recommendations. To repair hole in fiber cement siding there is a special putty that can be used as a patch. Take care when re painting to avoid incompatible paints. 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. Step 2 replace the caulking. Face nail the top piece of fiber cement siding through the old siding. Painting fiber cement siding.

Step 3 repair any holes. Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process. This putty should be included in every fiber cement repair kit. Blind nail the fiber cement siding in place starting with the bottom piece.

Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s. You then let the patch dry and sand it to blend into the surrounding parts of the plank. Cut the fiber cement siding to length wear approved dust protection. Step 4 apply fresh paint.

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