Resources for Concrete Makers

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Sand "blowback" What may cause that a lot of sand bounces off from the mould? I have changed the Air pressure, airflow, W/C ratio. Can that be cauesed that… Started by Brian Johns in GFRC	4	Sep 1, 2017 Reply by Brian Johns
Products for Sealing MDF Hi all, I need to make a large mold and am looking for a product and method available in the UK for sealing MDF. Previously,i have biscui… Started by Curt Bell in Forms	7	Aug 27, 2017 Reply by Tony and Liz, Brisbane
ICT failure from reaction to aluminum? I'm hoping someone has seen this type of sealer failure and can give me some advise as to why this happened, and how (if at all) it can be… Started by Adam Rossetto in Sealers	4	Aug 14, 2017 Reply by Adam Rossetto
cracking issue (Warning...Lengthy) So I have a bit of a problem that I am looking to correct for future jobs. I have successfully been making overlay to… Started by Brian Sheen in Newbie Questions	8	Aug 4, 2017 Reply by Brian Sheen
Fibre from NEG I have never had NEG AR 1/2 inch fibreglass before. I want to ask if it is normal that separate fibres are od diffrent length? Or maybe the… Started by Brian Johns in GFRC	1	Jul 31, 2017 Reply by Tom Fischer- Fishstone,CCS
AR vs E glass fiber - differences It is possible to recognize the difference between AR glass fiber and E glass fiber at the first look? If I take those two kinds of fibers… Started by Brian Johns in GFRC	6	Jul 25, 2017 Reply by Brian Johns
Adhering Concrete Blocks Together Hi, I'm going to be making some wet pour concrete blocks that will be stacked on top of each other to form a small diving wall in my yard.… Started by Jason Dimitrov in Untitled Category	1	Jul 18, 2017 Reply by Tom Fischer- Fishstone,CCS
Any advice for achieving this look on concrete countertops Looking to achieve a certain color. Can't seem to post a photo Started by L in acid stains and dyes	0	Jul 13, 2017
DIY Carnauba wax polish I've been having some luck with this so I thought I'd share. I've used this to polish a countertop after using a sealer-densifier product,… Started by James Parsons in GFRC	0	Jul 13, 2017
Help!! I've got a problem when demolding a countertop. It bend when we lift it and now there's a little crack on each side of the sink but the cra… Started by Jonathan in GFRC	4	Jul 13, 2017 Reply by Tom Fischer- Fishstone,CCS