Filling Nail Holes In Fiber Cement Siding

How to drill holes through cement fiber siding.

Filling nail holes in fiber cement siding.

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. However i have not found a product specifically made for patching fiber cement siding. One application is usually sufficient for small repairs. Our page top photo shows loose and improperly installed fiber cement siding on.

This article describes repair procedures for cosmetic or functional siding issues that may arise such as loose siding wind damaged siding siding paint or coating failures and siding gaps especially gaps at fiber cement siding butt joints where lap siding is installed. When i ve installed it i used a high quality exterior paintable calking after smoothing the edge of the holes. Cement fiber siding is a commonly used building material. It can be cut.

The hole size diameter is that of a cable line. 1 the installation guide for hardie board which is a brand of cement board siding recommends using caulking to fill nail holes. It is a concrete product that is light flexible and has a woodlike finish. A cable line was run through the siding when the previous home owners lived there but the cable line is no longer there.

I really do not want to replace the board. Apply the patch product to the damaged area with the flexible putty knife to fill in any indentations or holes. Refer to manufacturer recommendations for products that are compatible with fiber cement. Thank you for posting your inquiry.

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. Fiber cement board lap siding repair guide. Once the caulk is dry you can touch up the paint. Nail holes in exterior surfaces just as with cracks or gaps can be dealt with using a good caulking.

I want to patch the hole if possible. Dap platinum patch may be sanded and or painted in 2 to 4 hours depending on temperature humidity and depth of fill.