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finishing between kerf cut slats3/19
I'm making a headboard. The design calls for tiles that will be made from sections of Kerf cut (slat) pieces. Imagine a 12" x 12" x 1" thick dimensioned piece of wood. Now cut 1/2" deep x 1/4" wide kerf cuts at 1/2" intervals across the width of the board.
The question - How do I sand, stain and apply a polyurethane (or spar varnish) between the slats without over-saturating the face and ending up with runs all over the place.
Should I make individual slats, sand, stain and finish them beforehand and construct 1 tile at a time that way by glueing and brad nailing individual (pre-finished) slats together or do you think I could finish between the slats?
If I can, I'll post a pic to show you what I mean.
If making them from solids is an option id be looking for a cnc shop that can multipass the kerfs with a small cutter at a feed rate that will give you a stain/finish ready surface.
Thanks, Mark B. Think that would add time and an extra profit margin to the job unfortunately but I do get what you're saying. Thanks for the input.
One more reason for me to invest in a CNC that I can't yet afford in my small shop :-)
You can cut through frisket or masking film and then you only color or work the kerfs.
It's a headboard not a table so you don't need tons of protection. I wouldn't sweat it. Finish it flat(won't get runs) and put them together after finishing. If you're trying to get different colors in the kerf cuts you'll need to pre-finish/stain the tiles and "then" cut the kerfs and then shoot a clear over the top of the tiles.
I'd pre-kerf large lengths of each style that will be used to make up the square tiles, finish the kerfs in the contrasting color, and then sand off the raised faces. Then cut the triangles and other shapes from the kerfed stock and assemble into the desired finished shape. Then clearcoat the whole thing.