Forum Discussions (4,871)

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Whats going on

I have been away a bit but it looks like there is no activity here anymore. Did everyone quit or are concrete countertops out of style?

Started by Henry Fehr in GFRC

2 18 hours ago
Reply by Henry Fehr

We need people passionate about GFRC!

Hello members, We are a GFRC fabrication shop in Saint Petersburg, FL. We work with designers and architects to provide custom bar/counter…

Started by OSSO in Business Topics

3 Aug 30, 2018
Reply by concretista

controlling shrinkage

Hi guys,  I have designed some new table tops with a local mosaic artist. The artist just sent me the tops (each 200cm / 100cm) that are m…

Started by ilkka salo in GFRC

1 Aug 21, 2018
Reply by Brandon Lee Trudell

Production time

Hi everybody!

I'm new on this group and just started my concrete countertop business in Quebec Canada! If my word sound weird it's because…

Started by Jonathan in GFRC

4 Jul 14, 2018
Reply by Versus

VCAS source in the UK - VCAS vs Silica Fume - A few other bits and bobs too.

Hi All, The title says it all really. I've searched in the forums, but not seen any UK VCAS sources listed. However a UK based member (Joh…

Started by James in Newbie Questions

2 May 22, 2018
Reply by James


I made my concrete countertops 8 years, poured in a mold and then put into place.  Followed the Cheng instructions, used the Cheng line of…

Started by Sarah Kennedy in GFRC

2 Apr 22, 2018
Reply by west drago

DS 301 Planetary Polisher for sale

Does anyone have any interest in a DS 301 Planetary Polisher I have for sale? Or where would be best to list it for sale? I'ts in good shap…

Started by Judd Bogseth in Equipment

0 Apr 21, 2018

ICT water ring - won't evaporate...???

Hi All, Looking for some input here.  I recently completed a large kitchen project, and I got a callback from my customer telling me that…

Started by Adam Rossetto in Sealers

1 Apr 8, 2018
Reply by Jon Schuler

Soft epoxy and over worked concrete

Hi all,  I'm wondering if anyone else has encountered what I've run into. I poured an entire kitchen, 2 bar areas and two bathroom vanity t…

Started by Nut4health in Newbie Questions

0 Apr 2, 2018

Casting concrete vessels with GFRC

Hey all ,  I ve been going through older posts but couldn t find any help for casting concrete vessel in gfrc. What kind of mix design you…

Started by ilkka salo in GFRC

1 Mar 23, 2018
Reply by Tom Fischer- Fishstone,CCS


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Concrete Countertop Mix Recipes

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Fishstone's Super-SIX-Admix™ is a proprietary blend of SIX different admixtures designed to achieve pinhole free, dense and strong concrete that will free flow in precast molds.  Super SIX makes it easy to produce Ultra high performance concrete (UHPC), also known as Engineered Concrete Composition (ECC) and Reactive Powder Concrete (RPC).  Super-SIX™  is a non-hazardous material utilizing the newest and most advanced technologies.

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