Is it possible to Varethane a large table with a paint roller for a smooth shine without dust particles.?
Question:
Answers:
Not really.
The best way is to spray for a smooth finish.
If this isn't possible, spend the extra money on a brush specifically for varnish and polyurethane.
Clean the table well and use a tack cloth (a sticky cloth) to remove all dust and lint from your cleaning towel.
Use MEK (methyl ethyl ketone) for polyurethane based finishes to thin it out enough to ensure you won't leave brush marks. Putting on several thin coats and sanding with about a 400 grit sandpaper in between will almost make it look sprayed on.
Just remember to use the tack cloth liberally.
Good luck.
Two different issues -- dust is from the workspace. Create a "spray booth" by hanging plastic drop cloths from the ceiling. If you'r working in a garage with open rafters, create a ceiling with the drop cloth as well. No matter how careful you are applying the varethane, if you're not in a dust-free environment, you're going to get dest on the item, especially something with a large surface like a table top.
Now, as for the roller, I wouldn't recommend it. You'll end up getting bubbles in the finish. Use a quality brush (around $15), thin out the varethane, and apply in thin coats. Lightly load the brush, and do not scrape off the excess against the lip of the can like you normally would when painting. This will introduce bubbles into the can, which will transfer to your table top.
No way, no how, no can do! You'll get a Horrible finish full of lints,hair,and anything else! It must be floated on. My Dad taught me how to do that, and you end up with glass-like finish!
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