I have a one-and-a-half inch thick plank that I want to use for a breakfast bar. After sanding, there are a few spots with pitch. How do I remove the pitch in a way that will not cause problems when I put polyurethane on?
Thanks.
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Replies
bob88
shellac.. Go to your paint store and ask for a quart of Zinssers seal coat, it's a 1# cut right out of the can dewaxed so anything will stick to it..
It will keep pitch from seeping out and staining. You might also consider using shellac as a finish coat.. it's harder than polyurethanes, it's the absolute easiest finish to apply! Durable as heck, been around for 5000 years, safe (they coat pills and candy with it) insanely simple to repair! No sanding, just wipe with denatured alcohol and scratches disappear. If you ever do damage it a lot simply wipe off what got damaged with that same denatured alcohol and put three coats on , the first coat takes 15 minutes to dry the second coat takes a half an hour and your ready to use it an hour after the final coat goes on.
If you are going to use shellac as your finish use Zinsser's bulls eye mix it with two quarts of denatured alcohol not thinner or anything else! Denatured alcohol..
Flood on the first coat I mean really flood it on fast don't worry about runs drips skipped spots or anything. Never go back over anything! ever!
Do it real fast! speed is much more important than careful.. careful is always a mistake..
It takes 15 minutes to dry then sand it with 220 sand paper, feel the nubs that are raised? that's normal! sand just those off, real lick and a promise type sanding! about one one and a half seconds per sq foot! Don't try for perfection just make it smooth..
The next coat will melt right into the mistakes of the first coat and make everything nice. It will take a 1/2 hour to dry. If you still have a few nubs go right ahead and sand them off. Use that old sand paper (Actaully I like the results of using the 3M type sponge (yellow one 220 grit) then give it the third and final coat.
IF you want an show quality finish just ask.. I can tell you how to make that baby so smooth and deep looking ants will fear walking across it for rear of drowning..