Business by Anthony Marx Premium Content Subscriber only Further cracks have appeared in a Brisbane business group focused on all things related to concrete furniture and fittings. Yes, you read that correctly. Pop Concrete Supplies & Training Pty Ltd, based at a joint factory and warehouse in the West End, collapsed this week. It claimed to be an exclusive supplier of special concrete benchtops and a maker of "premium glass fibre reinforced concrete products''. "We love concrete. There we said it - and we're not ashamed of it. We make beautiful things, functional things,'' the still-intact website says. But love, it turns out, is not all you need.