All Replies on Fixing a bad polyurethane job

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View Gwell's profile

Fixing a bad polyurethane job

by Gwell
posted 08-04-2016 09:19 PM

3 replies so far

View MadMark's profile


979 posts in 1990 days

#1 posted 08-04-2016 09:23 PM

Belt sander?


-- Madmark - [email protected]

View Gwell's profile


2 posts in 1197 days

#2 posted 08-04-2016 10:33 PM

Are you asking if I used a belt sander? No just by hand. Nothing too aggressive either

View OSU55's profile


2439 posts in 2526 days

#3 posted 08-05-2016 01:11 AM

Not to be a smarta**, but #1 practice with the gun and selected finish before using it on a project. Kraft paper, cardboard, thin plywood all work. #2 MW polycrylic is about the softest, most useless wb finish out there – get something decent. To salvage this, add a couple more coats (after practicing) and then see what you got. Don’t remember if you have to sand polycrylic between coats – don’t think so. If you using satin, you might get away with the finish off the gun. If using gloss, it will require finishing the finish.

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