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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

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


Hello everyone I produced small pots (pouring them into a mould) I made SCC concrete without the use of fibers. Everything is ok with the…

Started by Brian Johns in GFRC

1 Mar 6, 2018
Reply by Jon Schuler

Failure in countertop

Hi All, I have just de-molded a couple of panels and they have failed completely. On the day the temp climbed from 79F to 90F degrees ove…

Started by Mark Chimes in GFRC

3 Feb 12, 2018
Reply by Brettsky

glass in Gfrc

Hi Folks i am about to cast a gfrc worktop using glass aggregate I know there can be a chemical reaction unless you take precautions can an…

Started by Darby Crowley in GFRC

3 Jan 11, 2018
Reply by Darby Crowley

Reusable casting decks

Hi All, I am wondering what you would recommend as a reusable casting deck. I am new to GFRC concrete (actually concrete in general), only…

Started by Mark Chimes in GFRC

2 Jan 8, 2018
Reply by Mark Chimes

Upcoming training in USA ?

Hello,  I m planning to travel to the US from 7-18 th february.  I would like to use my time to do some training / GFRC course / 2-4 days.…

Started by ilkka salo in GFRC

1 Jan 8, 2018
Reply by Tom Fischer- Fishstone,CCS

Help Cracks in countertop

Hello, I recently just made my first countertop. I messed up and didn't put rebar or mesh inside. During the transport to the kitchen it br…

Started by Seana in GFRC

5 Dec 21, 2017
Reply by East Coast Granite & Marble


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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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