How To Repair Cracks In 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.

How to repair cracks in fiber cement siding. We also provide a master index to this topic or you can try the page top or bottom search box as a quick way. Step 4 apply fresh paint. Step 1 clean the siding. Fiber cement siding defects failures problem troubleshooting.

Although it is convenient hardiplank siding is still susceptible to cracks which requires a caulking treatment to repair. Step 3 repair any holes. Step 2 sand over the damaged area lightly but thoroughly with a medium grit sandpaper to smooth any jagged edges and create an easy grip surface for the patch product. We had cracks the first year and a half everywhere in corners near nails right down the center and wherever it was cut to fot around things sticking out of the house.

Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process. Fiber cement planks are floppy until secured on the wall and holding only in the middle or transporting over a shoulder will cause a dramatic sag at both ends. 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. Brush away any chipped paint small loose pieces of siding or anything else that mars the plane of the siding.

Scoop up some of the. It was installed with a rep from the manufacturer on site to show how. Now year 4 and one replacement later they. 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.

We too had a new home built and wanted fiber cement siding. Step 2 replace the caulking. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s. Put on a pair of rubber gloves.

How to repair cracks in fiber cement siding step 1. The stress can cause a crack at the center of a board. The product is a combination of wood and cement called fiber cement. Before you do anything else you want to get the siding nice and clean.

How to repair fiber cement siding. Refer to manufacturer recommendations for products that are compatible with fiber cement.