How To Cut Hardie Board Lap Siding

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.

How to cut hardie board lap siding.

Step 1 cut two pieces of 1 2 inch thick plywood to 1 inch wide and 3 inches long. Setting up your cutting station correctly is just as important as selecting the right tools. Use the score and the snap tools. Cutting station best practices.

Hardie board installation will require joints between planks. Caulking joints are unnecessary but flashing behind the joints is required. Use a mallet or hammer to gently drive the tip of the bar up behind the siding if necessary. In fact you could use a utility knife or a carbide tipped scoring equipment in order to spot the line.

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. Join factory edges and place the cut edges against the corner trim boards. You can also read about this method in the james hardie instructions. This video shows the score and snap method of cutting james hardie siding.

Measure the width of the hardieplank siding and subtract 1 4 inch to obtain the jig height. Cutting the haride board. The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line. When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.

This is the same way of cutting the drywall. The sheet should be removed immediately after each plank is installed. Just sharing some of the different methods i ve used for cutting hardieboard siding. Cut a piece of 6 inch wide steel coil trim about 1 inch longer than the width of a siding board and place it behind the joint.

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.