I have a Walnut Slab countertop over the top of a utility sink in the laundry room. The wall in the utility room has one 90 degree corner, another about 60 degrees, and then about 30 degrees. I just created a 4″ backsplash but my joints are not perfect. I am planning on filling / touching up the joints with a glue and walnut sawdust mixture, but do not want to get glue all over everything because I’m lazy and don’t want to spend too much time hand sanding the mess off the face of the walnut. Any suggestions on how to apply the mixture into the vertical joint of the backsplash?
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One helpful hint is to put masking tape over the walnut, just a hair back from the edge of the wood. It will keep the filler away from the wood. You can then tool the filler with a curved tool/piece of rod or dowel and the excess will be easy to remove.
I would use epoxy mixed with sawdust; it will fill the gap better than a water based glue like yellow glue.
I often put masking tape on pieces before I glue them up, to make the glue removal much easier and neater -- no glue in the pores of oak, for example.
Ditto on the tape. If you don't use tape you'll be filling the pores of the walnut, and it will look very different from adjacent wood.
Thankyou Gents for sharing your wisdom.
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