How To Install Fiber Cement Siding Over Old Siding

Above the bottom of the wall sheathing as a guide.

How to install fiber cement siding over old siding.

Apply a vertical bead of caulk at each end of the wall. Remove the siding and install oriented strand board commonly referred to as osb or to use the existing siding that s on the house now as substrate or layer beneath the top surface underneath the hardieplank siding. These strips installed at the bottom will make your first row of siding angle out to match the rest of the rows. Install these fragile starter strips with a 15 gauge trim gun.

Score the cut line with a utility knife and snap the siding in two. Do not overdrive the nails. The main concern to understand is that the hardieplank siding is going to be on the house for. Then you would install your fiber cement corner and window trim.

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. Find your most beat up pieces of siding and rip them down into 1 1 4 in. There are two options for this. Position your first course of siding inch below the starter strip and nail the siding into the studs 1 inch down from the top of the siding.

Cut a length of fiber cement clapboard siding inch shorter than the width of the front wall.