Patch Nail Hole In Fiber Cement Siding

Buckled fiber cement siding is most likely to occur because the installer failed to give the recommended gap between the ends of the fiber cement boards and abutting vertical trim at corners windows doors etc.

Patch nail hole in fiber cement siding.

Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Put on a pair of rubber gloves. Patching fiber cement siding. Keep in mind that the patching will be obvious whether or not you paint over it so this is the best solution if the cracks and holes are in out of the way places that aren t readily noticeable.

And tap them in by striking the bar. Refer to manufacturer recommendations for products that are compatible with fiber cement. Dip a soft bristle brush into the solution then scrub the cracked area of fiber cement siding to remove dirt and debris. Step 4 hold the knife roughly perpendicular to the siding patch to finish the surface of the patch and taper out the edges of the mortar patch blending it into the surrounding siding.

1 the installation guide for hardie board which is a brand of cement board siding recommends using caulking to fill nail holes. Apply the patch product to the damaged area with the flexible putty knife to fill in any indentations or holes. Its actually pretty easy to pry off a panel without cutting the nails. Buckling fiber cement siding may also occur if the product was not properly nailed.

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. When i ve installed it i used a high quality exterior paintable calking after smoothing the edge of the holes. Fold it up and wiggle the panel as you pull down panel usually pulls free. Rinse the siding with clean water to remove the soapy residue.

Once the caulk is dry you can touch up the paint. Keep in mind that the patching will be obvious whether or not you paint over it so this is the best solution if the cracks and holes are in out of the way places that aren t readily noticeable.