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mixing polyurethane sheens?

5K views 6 replies 3 participants last post by  wataugaman 
#1 ·
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
 
#2 ·
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.
 
#3 ·
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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