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Old 11-11-2011, 03:40 PM   #1
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mixing polyurethane sheens?


hello,
Has anybody ever tried to mix, say, a gallon of satin with a gallon of semi-gloss? I have some of each in a polyurethane made by Zinsser (Bullseye). They're interior and water based. Thanks.
Jamie

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Old 11-11-2011, 04:18 PM   #2
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mixing polyurethane sheens?


I'm a little confused. Z's bullseye is a primer.
Are you talking about clear finishes?
Be more specific with what you have- but if they are from the same co , and you mix really well and mix frequently so that the flattening agents in the lower sheen stay mixed- you are probably fine.

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Old 11-11-2011, 04:24 PM   #3
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mixing polyurethane sheens?


Within the same manufacturer there should be no chemical reaction. There are certain things you should keep in mind:
  • Mix in a clean container that will hold at least 3 gallons
  • You will end up with a unique sheen; make sure you have enough for three coats. You may want to use a first coat of Zinsser's Seal Coat, an excellent interior sanding sealer.
  • Do not power-mix. You may bubble the product.
  • Thoroughly incorporate all the flatting agent to prevent uneven gloss.
  • Re-stir between coats.
  • BTW, 3M makes a mint green colored sandpaper that is made specifically for latex finishes. This will work great with your project.
I hope this helps...
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Old 11-11-2011, 04:43 PM   #4
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mixing polyurethane sheens?


Thanks so much for the quick and helpful replies. Yep, it's a clear product from Zinsser called "Ultimate Polyurethane". I'll tackle it tomorrow!
Jamie
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Old 11-11-2011, 04:49 PM   #5
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mixing polyurethane sheens?


oh, while I'm here, will I be to put an additional coat of a different (brand) water-based polyurethane on top of these "custom" Zinsser coats?
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Old 11-11-2011, 05:00 PM   #6
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mixing polyurethane sheens?


Mixing brands of a similar product will usually work. However, if anything were to go wrong, both manufacturers will diown the project. Why don't you call Zinsser's help line and ask them?
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Old 11-11-2011, 05:01 PM   #7
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mixing polyurethane sheens?


Quote:
Originally Posted by Mr. Paint View Post
Mixing brands of a similar product will usually work. However, if anything were to go wrong, both manufacturers will diown the project. Why don't you call Zinsser's help line and ask them?
Good idea, I will. Thanks again.

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