How To Repair Fiber Cement Lap Siding

If your repair includes the very bottom tier of siding add a spacer strip the thickness of your siding along the entire bottom edge to mimic the angle of your overlap.

How to repair fiber cement lap siding.

Removing a damaged board in order to remove the board you ll have to pull out or cut off the nails which are likely located underneath the overlapping siding on the row above. Prime and paint new siding to match the old. Add new wall sheathing if the current one is damaged. Remove any nails from the top piece of good siding.

No matter how durable fiber cement siding is though cracks. Fiber cement siding is an attractive alternative for homeowners who want the look of wood siding with the rot resistance fire resistance and durability of cement. Fiber cement board lap siding repair guide. Watch this video to find out more.

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. Fiber cement lap siding is heavier than wood and requires a special diamond tipped blade or a tungsten carbide saw blade to cut. Cut the fiber cement siding to length wear approved dust protection. Fiber cement siding is a composite of portland cement silica and wood fibers so it should last much longer than real wood.

Blind nail the fiber cement siding in place starting with the bottom piece. Fiber cement lap siding is generally blind nailed at the top of the plank with the nails being covered by the subsequent row of siding. Our page top photo shows loose and improperly installed fiber cement siding on.