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gluing on top of poly or spar urethane

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Forum topic by Razorbak91313 posted 02-28-2011 09:44 PM 1415 views 0 times favorited 5 replies Add to Favorites Watch
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Razorbak91313

89 posts in 2110 days


02-28-2011 09:44 PM

I know this might seem like an odd question, but can something be glued on top of a poly or spar urethane coat? I am working on a wood and stained glass project and realized that I will end up needing some small feet on the back side but I have nearly finished the my spar urethane coats. The feet do not need to have a great deal of strength to them but I don’t want them just popping off under a little pressure or bump. I was thinking of putting a thin coat of urethane on the back of the feet and then using tiny brats to tack them down while the urethane dries. The brats on their own might not be enough to hold them well and hoping the urethane would dry and bond to the existing coat.

-- Turning good wood into even better wood jewelry. DWWoodCreations.com


5 replies so far

View childress's profile

childress

841 posts in 3007 days


#1 posted 02-28-2011 09:50 PM

I would try double stick tape…

-- Childress Woodworks

View Domer's profile

Domer

252 posts in 2832 days


#2 posted 02-28-2011 10:29 PM

I would call the finish manufacturer.

I had finished a piece before realizing that I needed to add a strip. I called General Finishes and asked them about it. It turned out that I jurist needed to lightly sand the effected area and glue the strip on.

Domer

View rustfever's profile

rustfever

716 posts in 2776 days


#3 posted 02-28-2011 10:50 PM

Mark out the area to be covered by the ‘feet’. Cover surrounding area with blue masking tape. Sand only area to recieve glue. Glue the feet on. Remove the blue masking tape. Let dry per glue specs.

quick and easy.

-- Rustfever, Central California

View Rick's profile

Rick

8287 posts in 2498 days


#4 posted 03-01-2011 09:05 AM

What rustfever said!!

Urethane is a Wood Finish, Not a Glue. For the little bit of work involved it’s worth the effort. If it’s not completely dry yet use a Paint Scraper to get the bulk of if off then sand.

I would never try to glue anything to a Urethane or any other kind of finish without taking it down to bare wood. Also some type of Mechanical fastener (Screws Nails) or Dowels as mentioned above would be a good idea.

-- Hope Everyone Is Doing Well! .... Best Regards: Rick

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Razorbak91313

89 posts in 2110 days


#5 posted 03-01-2011 06:29 PM

Thanks for the info. I really like the idea of taping the surrounding area to help protect it while i sand. The feet are going to be really small – about 1 inch cube – meant more to keep it even when it is hanging on the wall. I will be sure to provide a few pics when I am done. I am still very much an amatuer wood worker but I think this is a nice design, even if it may be a little rough on the details.

-- Turning good wood into even better wood jewelry. DWWoodCreations.com

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