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Couple of small burrs on poly finish

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Forum topic by madrafter posted 23 days ago 422 views 0 times favorited 8 replies Add to Favorites Watch
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madrafter

2 posts in 23 days


23 days ago

Topic tags/keywords: question oak finishing

Hey all,
First post on here, I have lurked in the past but finally joined. I am currently building a shadowbox for my Fiance’s Dad’s flag and awards. He passed about 8 years ago and the family never received a flag, so after some effort I was able to get one and all of his awards, she doesn’t know about any of it. I plan on suprising her with this at the rehearsal dinner for our wedding on the 18th. On a couple of pieces of it I am having a hard time getting that perfect finish and have a couple of “burrs” on the finish. I have sanded between each coat of poly and am to what I would consider the final coat. The shadow box is made of all oak. Any help would be appreciated as this is a hugely important project to me and I want to do everything I can to make it perfect.
Thank you so much,
Josh

PS. I didn’t really like the layout of what I could purchase in a store and also thought that building it myself would be the best tribute I could give to the man who I wish I could have met


8 replies so far

View TheWoodenOyster's profile

TheWoodenOyster

641 posts in 539 days


#1 posted 23 days ago

Great story!

Take some 0000 steel wool and rub the entire surface out. The burrs will probably go away. I have found that when finishing with poly in a regular shop environment (not a professional spray room that is totally dustless), it is nearly impossible to get a finish without dust nibs. You aren’t doing anything wrong, it is just part of the process. Do it on the backside or a part that isn’t visible first to make sure it won’t mess up the look that you are trying to acheive. Rubbing with steel wool will make a gloss finish look more like satin, just a heads up.

Good luck

-- The Wood Is Your Oyster

View Mike67's profile

Mike67

96 posts in 1941 days


#2 posted 23 days ago

Looks like a great flag case. Nice work. You have a couple options for getting rid of the nubs in the finish. Those are caused by dust that settles on the finish while its drying. They’re pretty hard to avoid but you can minimize them on future projects by keeping the shop as clean as possible. The easiest way to get rid of them is by rubbing the finish with some 0000 steel wool. Be aware that if you’re going for a gloss finish, this will soften the gloss a little. I like adding a coat of wax after the steel wool to get a really smooth feel to the project but it isn’t required. Another option you can try before running out for steel wool is to rub it with some brown paper. Take a brown paper shopping bag or lunch bag and crumble it up a few times, then try rubbing the finish with it. You can usually knock down dust nubs without changing the gloss of the finish this way. Weather you use wool or paper, make sure you give the finish a few days to cure first (you want it as hard as possible for this), and test in an inconspicuous spot to make sure you like the results before you dive in.

View BinghamtonEd's profile

BinghamtonEd

1204 posts in 974 days


#3 posted 23 days ago

Also agree with the 0000 steel wool. I’ve had good luck just rubbing the steel wool on some Johnson’s paste wax, then rubbing out the finish with that. Keep rewaxing the steel wool as it runs out of wax. Once the wax sets, buff it out with a shop towel.

-- - The mightiest oak in the forest is just a little nut that held its ground.

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gfadvm

10604 posts in 1294 days


#4 posted 22 days ago

Give that whole project a light sanding with 320 grit and then wipe on a final coat of poly/mineral spirits.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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madrafter

2 posts in 23 days


#5 posted 22 days ago

Just wanted say thank you for the fast responses and quality responses. Since I am going after a semigloss finish I think I try the shopping bag idea first. My only other stupid question, is I do plan on waxing it, is turtle wax a huge no no or is it a acceptable practice to use car wax on furniture. I see lots of conflicting opinions elsewhere
THANKS
Josh

View Monte Pittman's profile

Monte Pittman

13367 posts in 942 days


#6 posted 22 days ago

Great story. Of course making it yourself was the right choice. Shows thought and commitment. If you are using oil based poly, maybe use a wipe on to finish it.

Welcome to Lumberjocks

-- Mother Nature created it, I just assemble it. - It's not ability that we often lack, but the patience to use our ability

View BinghamtonEd's profile

BinghamtonEd

1204 posts in 974 days


#7 posted 22 days ago

I haven’t used turtle wax, but have used macguires wax before and it worked. A can if Johnson’s paste wax is $6 (Lowes has it in the cleaning section, so does my local grocery store) and will last a loooong time. It’s also good to apply to planer/table saw/jointer/ etc tables.

-- - The mightiest oak in the forest is just a little nut that held its ground.

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gfadvm

10604 posts in 1294 days


#8 posted 22 days ago

Turtle wax will leave a white residue if you miss any when buffing it off.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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