Installing Fiber Cement Siding Over Wood Siding

Nails used to hang fiber cement siding shall penetrate at least 1 into the studs or the structural framing.

Installing fiber cement siding over wood siding.

Attach a horizontal strip of wood lath that s 0 25 in 0 64 cm thick and 1 25 in 3 2 cm wide directly above the chalk line. Fiberglass cement siding is a composite made of portland cement silica and wood fiber. Adding another layer onto the original siding might cover up existing issues some of which can be serious like previous water infiltration or foundation problems. Putting up trim before installing fiber cement siding.

Remember that the siding is hard so be sure the nails are located at the right place before driving them. Nail strips of wood lath where the lowest siding course will hang. Some fiber cement panels act as a rain screen system so when retrofitting fiber cement onto wood or any other material the substrate should be in great shape prior to installation. Installing fiberboard cement siding fiberboard cement siding looks identical to wood once it s painted.

Measure up 0 25 in 0 64 cm from where you want the bottom of the fiber cement siding to be then snap a level horizontal chalk line. Begin by installing the inside and outside corners on the wall. Corners should be at least thicker than two stacked pieces of siding to allow room for caulking.