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-   -   can i put water based poly over oil base? (http://www.diychatroom.com/f5/can-i-put-water-based-poly-over-oil-base-63201/)

mayhem69 01-30-2010 03:25 PM

can i put water based poly over oil base?
 
Hi, getting my bedroom floor redone. The guy said he was gonna spread oil based coat on bottom, then apply Bona Mega, then Bona Traffic on top. Does this sound right?

jaros bros. 01-30-2010 06:42 PM

Application of water over oil is usually discouraged because of incompatibility issues. With any application of finishing materials it is best to stick with the manufacturers recommendations. The application of Bona Mega calls for a sealer first over their stain. I don't know what oil you are using and what brand but something tells me he is mixing and matching. It is very unlikely that this will work and there may be issues immediately or down the road.

You can always call the manufacturer from the number on the can to get their expertise. They are generally very knowledgeable and will be able to tell you if there is going to be a problem. IMO they are going to discourage this application.

user1007 01-31-2010 03:09 AM

I suppose you could but I wouldn't if they were my floors because of the compatibility issue and just getting the adhesion you want. Why isn't he using a water based finish for all coats?

mayhem69 01-31-2010 06:46 AM

he said applying oil based first gives you a little pop in color.

poppameth 01-31-2010 12:14 PM

Time to find a new floor guy. Bona is expensive. Applying oil first gives him a little pop in the wallet.

just tile 01-31-2010 01:00 PM

you can get a gloss water based. that should still give you your pop. i would not go over oil with water or vise versa. they just dont mix well. good luck.

mayhem69 01-31-2010 04:58 PM

he said he uses Bona DriFasti oil poly, then Mega, and Traffic on last.

just tile 01-31-2010 06:21 PM

i was told the finish would peal mixing oil and water base. i have never tried to do it. it may work. every one has different ways of doing things. i would make sure he gives you a warranty in writing. i never like to say someone don't know what there doing if i am not sure my self. sorry i can't be more help. but if it were me i would'nt do it .good luck.

poppameth 02-01-2010 05:54 AM

Well you know the exact products he wants to use, call Bona and ask them if that is the correct combination of products. Nothing beats the manufacturer's advice.


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