You can use your circular saw set to the depth of just the back part of the groove.
Make my own tongue and groove siding.
Calculate sqft to lft coverage needed vertical siding applications require horizontal nailers blocking or other wood framing members spaced no more than 24 inches on center.
A 1x4 tongue groove pattern is going to create a line every 3 inches while a 1x6 creates its line every 5 inches for the same pattern.
Make sure your routing table is clear of sawdust and other debris.
Tongue and groove joints can easily be made with a router when using the right bits on a proper router table.
To begin making tongue and groove boards you first must decide to use either a table saw or a router.
Depending on how the pieces fit together some jointed sidings can be fully attached by blind nailing through a tongue or underlap that will be covered by the course above.
Carefully slice the back part of the groove of your replacement board but leave the front part of the groove attached.
Check to make sure the siding you choose has a successful track record in your region.