Homemade Lap Siding Jig

With the width the same on both sides of your board you can adjust the reveal between boards when you install the decorative shiplap siding.

Homemade lap siding jig.

Make shiplap siding and cedar shake shingles quickly and easily. Measure the width of the hardieplank. Reconfigure the jigs and make cedar shake shingles 9 22 5cm wide and up to 16 40cm long each pass makes two shingles. The depth of the rabbets should be exactly half the thickness of your lumber.

The width of your rabbets can be anywhere from 1 2 in. Two jigs per set. Cut two pieces of 1 2 inch thick plywood to 1 inch wide and 3 inches long. To make a more traditional shiplap joint simply cut one rabbet at 1 2 in.

Turn the jig. We finally finished the studs this week and moved on to something a bit more interesting. With this unique jig cut lap siding up to 9 22 5cm wide with taper widths down to a feather edge. How to make a siding jig for hardieplank step 1.