How To Repair Fiber Cement Lap Siding

Cut the fiber cement siding to length wear approved dust protection.

How to repair fiber cement lap siding.

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. 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 board lap siding repair guide. 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.

Watch this video to find out more. Add new wall sheathing if the current one is damaged. 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. 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.

No matter how durable fiber cement siding is though cracks. Fiber cement siding is a composite of portland cement silica and wood fibers so it should last much longer than real wood. Remove any nails from the top piece of good siding. Face nail the top piece of fiber cement siding through the old siding.

Fiber cement siding is low cost for its rated lifespan and is easy to maintain when compared with other siding choices. Prime and paint new siding to match the old. Fiber cement lap siding is heavier than wood and requires a special diamond tipped blade or a tungsten carbide saw blade to cut.