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Old 02-15-2019, 07:47 PM  
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Help with Concrete fireplace


I have framed out a fireplace with durock. What is the best product and method to use to get a smooth glossy finish? I know some sanding will be necessary. I was considering spraying GFRC but unsure if it will run too much on the vertical surface. Thank you for your advice!!
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Old 02-15-2019, 09:14 PM  
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Re: Help with Concrete fireplace


Use a Venetian Plaster NO SANDING required.
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Old 02-15-2019, 11:32 PM  
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Re: Help with Concrete fireplace


I've cast my share of GFRC precast with a buddy of mine who did concrete countertops/etc... The problem is that you can't actually spray GFRC, as far as I know. You can spray a face coat w/o the fibers, but that's kind of against the point, as it's not GFRC.

Not sure how you're going to get GFRC flat and smooth on a vertical surface without casting it flat and tipping it into place after it cures.
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Old 02-16-2019, 08:44 AM  
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Re: Help with Concrete fireplace


With the right equipment you can spray GFRC but foe a one time fire place it would be very high $$$$. Tape the board joints as per manufactures recommendations than apply a very thin base coat of a veneer plaster & than finish with a smooth troweled finish coat it should be a smooth as glass if you use the right material.
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