How To Repair Cracked Cement Siding

Spray away the rest of the dirt and grime from the siding.

How to repair cracked cement siding. If the cracks are extensive replacement is the better option. The best way to repair this is by first pre drilling a hole with the appropriate size masonry drill bit. Peeling paint should be removed the area primed and repainted. Then mix some water with a little trisodium phosphate and hook up your power washer.

1 sand the surface of the siding at the area of the crack with a sanding block. Small cracks or holes can be filled with wood putty sanded smooth primed and repainted. Dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound. This ensures the siding is securely anchored to the home and will not be damaged further.

First use a small hammer and chisel in combination to knock away any cracked crumbling or loose concrete. Use long horizontal strokes with. 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. Fiber cement siding defects failures problem troubleshooting.

Allow the patch to thoroughly dry and apply another thin layer of patching material if the first layer shrank during the drying process. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Scrub away at any bits of mold mildew or stains keep in mind that tough persistent stains might just have to be painted over. Rinse the siding with clean water to remove the soapy residue.

Put on a pair of rubber gloves. Chip to a depth of about one inch below the surface plane. Settlement of the structure movement of the foundation would cause cracks in the siding but it would not be a likely cause unless there was also corresponding cracks on the interior wall surface in the same area. We also provide a master index to this topic or you can try the page top or bottom search box as a quick way.

Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris. Then drive a ring shank nail through the siding and preferably into a stud behind it. Then rinse the area. Then refresh the power washer with fresh water to give it a good rinse.

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. Refer to manufacturer recommendations for products that are compatible with fiber cement. Inspect wooden siding for peeling paint cracked boards insect damage and dry rot.