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Old 02-09-2011, 03:22 PM   #1
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Polyurethane over stone effects paint


I have ugly blue formica countertops but cannot aford to replace them. I would love to have stone countertops. My question is, can I paint them with a stone effect paint and then polyurethane over it to give me a smooth durable surface to work on that is food safe? I love to cook and so so quite often, plus my small children grab stuff off the counter to eat all the time and I want to make sure that it will be safe.

Any help will be greatly appreciated!

Thank you,

Mandy

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Old 02-10-2011, 04:56 AM   #2
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Polyurethane over stone effects paint


Hi Mandy, You can paint over formica and I know there are products for that finish specifically. The problem lies in doing the proper preparation work to create a bondable surface for that finish. I would first use a palm sander with 120 or lighter grit sandpaper running it lightly over the surface enough to dull it a bit. (I've never sanded a counter like that so don't know about dust, but wear a mask and protect surrounding surfaces with plastic if so) Vacuum the surface. Then I would wash the surface with a mixture of trisodium phosphate and water and rinse. Then you need to buy a strong bonding primer such as Zinsser BIN or an XIM primer. Apply it carefully with a short nap roller. You now have a bonded surface and can apply any paint finish once that's dry. The primer may work without the sanding but I wouldn't take the chance. As to food safe clear coats, I'm sure a little research will find one. But, is anything really food safe? Good Luck.
Joe
DiyPaintingGuide.org

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