Filling Gaps with Sawdust Mixes
From contributor J:
How dark it takes a finish depends on how much glue you use. You will need to experiment with different ratios. I would use original tight bond diluted with some water. I have had it work well and I have also as Contributor A stated had it turn way too dark. Why are you using wood with large cracks in it? Your answer may be tinted epoxy if they are large enough.
From contributor I:
Forget the glue and sawdust. Take the touch-up approach. That’s what we do every day. You’re not going to get grain lines and background colors without it. If you must use sawdust then use the same stain that you finish with mixed into your glue. I like to do that with all my regular glue joints and especially laminations. The glue joints just disappear.
From contributor W:
Yes forget about sawdust. You have to touch up your gap. For small gaps you can use a putty for fill. Then touch up your finishing to get the color match. For the big gap, it is better if you use a wood piece to fill in your gap.
From contributor O:
I recently read somewhere, and recently tried a different method with better results than the glue/sawdust method. Use the finest sawdust you can get, such as from a sander, and mix it with shellac. I have used this method several times now with better results. I now have small canisters saved of the different species sanding sawdust saved. I used seal cote as my mixing shellac.
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