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Kevin Cole
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- Rockford, IL
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Fiber Reinforced Concrete vs. others
20 Replies
Started this discussion. Last reply by Mike Cook Jul 9.
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International, Uniform, and National building codes.
Mike, could you please explain what those acronyms stand for?
Great question Mark. My answer would be no.
If you are using an absolute minimum of 4% + glass content then it is classified as GFRC. The majority of us do not do this. (it is not nessesary) Besides it would be very difficult to work with a loadin...
Well thanks for not insulting me, I think: http://en.wikipedia.org/wiki/Luddite
The truth is I’m willing to try anything. I used to sub out exterior building wall panels to a company that would make 48’ x 10’GFRC wall panels. Having seen them cas...
Thanks for that Alla, I'll see what I come up with.
Philip, I use full strength tri-butyl phosphate. The product I have now I actually got from BASF as a freebie - helps to be friends with the guys in the lab. But before that, I used to buy it from Fisher Scientific. Look them up, call their custom...
Alla
With regards to the defoamer, you say you use the real stuff, is that the diluted TBP or the defoamer from BASF? If you are using TBP, at what concentration? And where do you get it? I'm still trying to find a local BASF rep, my Grace guy wa...
I believe we have a skewed sample on this forum.
I would guess that about 90% of concrete countertops are currently wet cast.
Fibreless, steel rebar using, wetcaster. Does that make me a socialist?
Mark C
Jon, yes, I use the fibre mix in a wet casting technique. We just don't grind to expose aggregate, and the fibres don't show through. On rare occasions, when we've been a little slow in placing our rocket fuel of a mix, and we try to place concret...
I checked out the poll and with 25 people participating, the result shows that 80% use GFRC. I was under the impression, from talking with some well known concrete countertop manufacturers and suppliers, that the percentage for the general populat...
You are mixing that amount into the total mix...then using more of a wet casting technique?
No issues with fibers seen in the face?
Jon, I use 19 mm AR fibres from NEGA at about 3% loading of total dry ingredients weight. This is still below NEGA recommendations, but I just can't imagine stuffing more fibres into the mix. I've completely given up on PVA - they make the mix tot...
Alla,
What is your current fiber load with your SC mix? Which fibers and % content?
I just finished some pieces about 1% loading....came out very nice. I added .25 grams of the BASF defoamer....Russell Vaughn sent me....1390 I think...I will loo...
Kevin, I use a castable gfrc mix - this means a fibre-heavy, self-consolidating mix going right on the face of the mold. No sprayed premix - too messy and time-consuming for my liking. The drawback of this method is that you cannot do a heavy aggr...
I have added a new GRC poll above.
To me, GFRC is the replacement of large aggragate with glass fiber to form a matrix. When you look in my mix bucket you will know it's GFRC. It's thick with fiber. The fiber IS the aggragate not just some re-inforcement. If you go lite on the fibe...
Comment Wall (1 comment)
- At 6:29am on June 19, 2009,
Mike Cook said…
- Welcome Kevin, Hope this will give you some insight into what the industry is after.
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- Kevin Cole
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Kevin Cole
Communications Director
International Surface Fabricators Association (ISFA)
Countertops & Architectural Surfaces magazine
kevin@isfanow.org
www.isfanow.org
Communications Director
International Surface Fabricators Association (ISFA)
Countertops & Architectural Surfaces magazine
kevin@isfanow.org
www.isfanow.org
© 2009 Created by Dave McVey
