How To Cut Hardie Board Siding

To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that blows dust into a bucket.

How to cut hardie board siding. The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line. Place your hardiebacker cement board on the. Reciprocating and jigsaws which can be equipped with carbide encrusted blades are convenient to use when making small or circular cuts in hardie board siding. Make sure to go slower than with a normal blade and wood.

Similar to the way drywall is cut it is possible to score the cement board and snap it along that scoreline. But it will wear down the blade and take some effort. For a slow but virtually dustless way to cut siding use power shears. It is possible to use a drywall knife to score cement board sometimes.

Cut the trim board with the saw. Score along your straight edge applying firm pressure as you go. If you re using our quarter inch board you can. Use the score and the snap tools.

Keep a firmer grip on the board than with regular wood. This is the same way of cutting the drywall. In fact you could use a utility knife or a carbide tipped scoring equipment in order to spot the line. The hardi blade only has four teeth.

By lindsay frankel 6 10 2020 1. When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.