How To Install Hardie Siding And Trim

It s pretty straight forward but you ll definitely get some tips and tricks to make your install a little easier.

How to install hardie siding and trim.

Step 2 apply a 1 1 4 inch starter strip right above the water table trim located at the bottom edge of the house wall. Make sure that a drip cap is installed first over the window before going for the hardie siding. Touch up the divided hardie trim boards before trimming them to your window. Use moderate contact on butt joints when joining two pieces of plank.

Measure down from the top of the installed board 1 1 4 inches every four feet and make a mark. Hardieplank lap siding with colorplus technology is shipped with a protective laminate slip sheet which should be left in place during cutting and fastening to reduce marring and scratching. Longer finish nails may bend. The sheet should be removed immediately after each plank is installed.

Check out the video below to see how i handled swapping out the rotted wood trim with the new hardie trim. Begin at the lowest point at the side of your house where you will install your hardie siding. With hardie trim i get to cut to length and caulk the joints just like wood. As long as the window frame projects at least 1 inch beyond the sheathing it s possible to install your hardie siding right to the window frame leaving 1 8 clearance from the sides and sill and applying a bead of approved colour matched caulking.

There s nothing in the james hardie installation instructions that requires any trim at all for installation around windows and doors. You will see the trims lay nice and flat. Face nail trims using 2 inch 16 gauge finish nails after every 16 inches apart. Installation of new hardie trim boards.

We have dozens of installation specialists throughout the u s. Use a 2 in. And canada who are available to work with any contractor or builder. Nail the board to the house every 16 to 24 inches with a roofing nail along the nail line printed on the top of the siding board.

Installing hardie trim on an old house. Wherever hardie siding meets a trim board the company recommends you leave a 1 8 gap between the siding and the trim and apply a 3 8 bead of approved caulking to protect and seal the edge of the siding. James hardie recommends using stainless steel finish nails when installing hardietrim products.