Installing Fiber Cement Siding Over Wood Siding

If the cement siding is to be installed over wood sheathing 7 16 osb or plywood at a minimum it is recommended to use a 6d nail.

Installing fiber cement siding over wood siding.

Corners should be at least thicker than two stacked pieces of siding to allow room for caulking. 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. Remember that the siding is hard so be sure the nails are located at the right place before driving them. Nails used to hang fiber cement siding shall penetrate at least 1 into the studs or the structural framing.

These can be made from wood vinyl or thicker fiber cement products such as hardietrim. When you want the classic look of wood siding coupled with lifetime durability fiberboard cement siding may well be your best choice. 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. 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. Nail strips of wood lath where the lowest siding course will hang. Installing fiberboard cement siding fiberboard cement siding looks identical to wood once it s painted.