GFRC (1,804)

Discussions Replies Latest Activity

ITC sealer for outdoor use

Does anyone know if applying ITC for an outdoor countertop involve any different techniques then a inside one?

Started by Bruce Sullivan

1 May 31
Reply by John Gates

sink molds

looking to buy a few sink molds,anyone care to give their opinion on which they think is better fiberglass or rubber

Started by john henry burns III

1 Jan 30
Reply by Henry Fehr

Rubber edge form.

I was in need of a rubber edge mold for a 1 time use form. I found out mixing 100% type 1 silicone and cornstartch worked. Has anyone else…

Started by Henry Fehr

1 Jan 29
Reply by Tom Fischer

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

8 Jan 20
Reply by Henry Fehr

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

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

4 Jul 14, 2018
Reply by Versus


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

2 Apr 22, 2018
Reply by west drago

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

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

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

3 Feb 12, 2018
Reply by Brettsky


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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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