Find your most beat up pieces of siding and rip them down into 1 1 4 in.
How to make a siding gauge.
Choose straight 3 4 inch thick lumber that is free from open knots splits and checking.
How to make your own clap board siding.
Measure the width of the hardieplank siding and subtract 1 4 inch to obtain the jig height.
A facing gauge for lap siding specifically designed for lp smartside and trim.
Cut a third piece of 1 2 inch thick plywood to 3 inches wide and as long as the jig height.
You can use a rabbet plane to make quick work of this or you can use a plow plane with a 3 8 cutter and plow 2 grooves side by side.
Above the bottom of the wall sheathing as a guide.
Step 1 cut two pieces of 1 2 inch thick plywood to 1 inch wide and 3 inches long.
Typical clapboard siding is 6 or 8 inches wide.
Set your table saw blade as high as it will go at a 15 degree angle for 1 by 6 lumber or 10 degrees for.
Next we can chop the mortise that will guide the beam.
Alternatively simply use a mallet and chisel.
Install these fragile starter strips with a 15 gauge trim gun.
Snap a line 1 in.
The mortise will be 3 4 x 7 8 centred along the length of the body.