Furniture, Wood and Cabinetry Finishing - Flat spot problems-still!
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06-23-00, 08:48 PM
I had written earlier about problems I was having with refinishing cabinets. I was experiencing problems with flat spots using high gloss polyurethane and it was suggested that I stir the poly more thoroughly. I started over and sanded the doors down to the wood grain using first coarse,them a medium and finally a fine (220) grit paper. After cleaning them, I then applied the stain and this time it didn't seem to soak in as fast and it came out with an uneven color when it dried. I then tried to apply sanding sealer first (after stirring it thoroughly) and it wanted to take some of the stain off in spots ( I let the stain dry 24 hours or better). I then tried to put another coat of stain overtop of the sanding sealer and the flat spots came back but not as bad. The situation seems to be getting better but how many applications will I need to do. Where do I go from here and what finish should I try to use- polyurethane or is there something else that would cover better and hide a multitude of sins? Thanks--Vince
George
06-24-00, 11:57 AM
Vince:
As you've already learned, stain applied over a finish doesn't adhere well, even if the fniish is thoroughly sanded. Stain is for wood.
The only thing I can suggest (if you've managed to get the color even) is to keep on keepin' on - with yet another coat.
The alternative (using another finish) means stripping (not sanding) the cabinets and starting back at square one.
Any other readers that have any ideas at all are welcome to jump on in.
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George T.
As you've already learned, stain applied over a finish doesn't adhere well, even if the fniish is thoroughly sanded. Stain is for wood.
The only thing I can suggest (if you've managed to get the color even) is to keep on keepin' on - with yet another coat.
The alternative (using another finish) means stripping (not sanding) the cabinets and starting back at square one.
Any other readers that have any ideas at all are welcome to jump on in.
-------------
George T.
George
06-24-00, 12:05 PM
Just me again with another thought. Your flat spots could have been coming from to vigorous a sanding. If you cut through the finish down to the sealer (or beyond), the finish would be flat in those areas. This is not uncommon on lacquer finishes applied directly to stained wood (with no sealer). The lacquer has to soak into the wood and build a seal before it can start building a finish. This may be part of the problem you're having.
At this point you don't need any sand paper rougher than 320 grit wet/dry.
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George T.
At this point you don't need any sand paper rougher than 320 grit wet/dry.
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George T.