How To Install Hardiebacker Siding

This old house general contractor tom silva shares his secrets for working with fiber cement siding.

How to install hardiebacker siding.

Hardiebacker boards must be flush with subfloor during installation. Use 6d or 8d galvanized or stainless siding nails and install a single nail about 1 in. We ll occasionally update this article with the most relevant questions and answers. Return to the corner and fasten in a diagonal pattern from that corner until the board is completely fastened.

Down from the top edge at each stud no more than 16 in. Begin the fastening pattern in a corner of the board then fasten the two adjacent edges. Installation instructions may vary depending on the manufacturer and check with your local building inspector for any code requirements. N nail lengths should be chosen so they penetrate a minimum of 1 1 4 in.

Installing fiber cement siding fcs such as hardieplank is easier than you might think though there are some important differences from traditional wood siding. Into the solid wood wood sheathings like osb and plywood count toward the 1 1 4 in but soft sheathings like fiber board and foam don t. That s how the most preferred brand of backer board got even better. Hardiebacker cement board with hydrodefense technology provides the unmatched strength ease of use and excellent tile adhesion you ve come to expect from hardiebacker now with a waterproof composition throughout the board.

You can also submit your installation questions by tweeting james hardie or by sending us a direct message on instagram. Step 1 apply a layer of thinset where the first hardiebacker cement board will be installed using a inch notched trowel the same size trowel you will use for the tile installation. Alternatively the panels can be installed over wood sheathing covering foam insulation of 1 inch thick or less. What s the process for hardieplank lap siding installation.

That all said let s dive in. Step 2 lay the first panel of hardiebacker onto the thinset pressing evenly. Hardiebacker cement boards.