I need to apply wood glue to the edge of a 5/8 board and I don't want
any rundown the panel sides. I would like to find a tool that would
be guided by the board edge and apply a very straight bead of wood
Any idea where to find a tool like that???
In my experience (not that I have a lot of it, mind you! :-) ) oozing
glue is more a matter of putting too much in the joint, not how
straight the bead is. If you're really worried about glue running out
of the joint and onto your wood, you could use some masking tape on
either side of the joint and pull it off when it's partially dry.
That said, you could probably make something like what you're talking
about on your own with a couple of scraps of plywood screwed together.
Seems way easier to make something than to buy it.
Cut a 5/8" dado in a scrap of wood so that it can run across the top of
your boards. Cut a small groove at one end so that the tip of your
glue bottle can rest in it while you slide it along the length.
If you're really concerned, you might want to try this:
Tilt your tablesaw blade to 45, raise it just BARELY above the level of
the table, and rip two small v-grooves in the edge, about 1/16" from
either side. Then when you squeeze them together, the excess glue has
a place to collect without oozing out the sides.
The 5/8" edge of the board would look like this: -v-------------v-
I've done that a couple of times, but I think the grooves are too wide
and compromise the strength of the join, especially on 4/4 stock. I
tried with a pointed router bit and that worked better, but it's still
doing it the hard way.
Either prefinish the surfaces, in which case the squeezeout will pop off
easily, or use the blue "painter's tape" on both surfaces before
Alternatively, if the piece is narrow enough to go through your jointer,
glue it up before surfacing to thickness.
As others have stated the straightness of the glue line is not important. I
personally level out the glue across the edge.
As for preventing runs, I use the "mask it" method. If there is sufficient
glue, there will be runs. I use the 3M Blue masking tape when I want to
protect a finish. It does not leave glue residue, is a breeze to apply and
remove, and can prevent any issues from the run.
I picked up on a glue tip from watching Wood Works on DIY. He often
uses a roller to apply glue. The problem is finding the roller. I
searched all the lumber yards and woodworking stores for a solution and
had no luck. I was always directed toward the laminate rollers. I
finally found one at a craft store. It was in the stencil section. It
is a rubber roller about four inches long. It works quite well. In your
application I would roll it over some glue spread out on a piece of
paper and then roll it onto the piece. It really gives a very even coat
and works great for edge joining boards.
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