How To Cut A Hole In Hardie Board Siding

Shears are available as a dedicated tool or as an attachment for a drill driver.

How to cut a hole in hardie board siding. For a slow but virtually dustless way to cut siding use power shears. When installing fiber cement siding always leave a gap at the ends of each length of siding. You draw the outline of the hole in the board by a pencil compass. Allow the marking for the hole to lie where there is.

Siding already on wall cutting into installed hardi fiber cement hi to vent an attic i need to install some gable end vents into exterior walls already sided with hardi plank or some other similar brand of plank that simulates beveled horizontal siding. The board will have the broken circle around the board and the board will crack along the holes. James hardie has collaborated with a number of installers to identify easy setups that are effective affordable and will help you meet osha s compliance standards. Otherwise the board siding may snap during drilling.

Place wood supports across two sawhorses before resting the siding on the sawhorses. Place the siding on two 2 by 4s so that the mark is between the boards for support when the siding has not been installed. Measure and mark the placement of the hole on the siding with a professional grade crayon. Setting up your cutting station correctly is just as important as selecting the right tools.

Cutting station best practices.