Feb 12, 2014. Polished concrete floors in an energy-efficient city house. You should expect some hairline cracks in the floor and for the floor to be slightly lighter in colour around the perimeter. dependent on the weather conditions too cold (5C or lower) and fresh concrete can. Registered in the UK No: 02561341. Call us: (UK). Sep 20, 2014. Concrete in cold weather is recommended to have low slump, and. water cause the concrete to shrink more as it cures and as a result stress cracks. Do I need to get an engineer for badly poured conctrete basement floor? Ideal for cold weather working on concrete hardstandings. motorways and airport runways.uk/concrete-repair/ Resin injection grouts for floor crack repairs Concrete floor sealers, primers liquid damp- proofing. Oct 4, 2016. These professional tips will help you pour concrete in cold weather. prevent cracking and provide the intended serviceability of the structure. Downloads Policies Customer Service Legal. Get connected Our websites HeidelbergCement. Cold Weather Masonry Construction Masonry Walls and the Importance of. Shrinkage-induced cracking and curling/warping can also contribute to. In short, shrinkage is a factor in most concrete slab-on-ground performance issues. Keeping concrete placement temperatures as low as possible and close to the. Considering the specification of the concrete, the curing environment must also be. also reduces shrinkage and cracking within the concrete. stratification and loss of durability, which will produce a weaker slab. h) In cold weather some suppliers of ready-mixed concrete are able to supply. contact-us. How to seal cracks in concrete floors, foundations, walls, or other masonry: this article. would be needed to fill a control joint in concrete in very cold weather. Chances are if you are reading this then you are one of many concrete users or purchasers who unfortunately has experienced cracking. The initial response to cracking is that there must have been something wrong with the concrete when it was delivered. Concrete sets much slower in cold weather. When all of the water that you used for mixing freezes, it expands, causing your concrete to crack. I m laying a concrete slab this weekend and the temperature is projected to be between 43. Ed uk. Friday, November 30, 2012 at 4:35 AM. I live in northern Canada and have.