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Forum: Concrete mix


What is meant by water resistant?

  from 01.08.2011 14:29

Q: What do we mean when we speak of waterproof concrete? Stanislav.     leave a reply

 from 01.08.2011 14:30

Answer: Water resistant - this property of concrete M300 and other brands to resist the action of water. Concrete can be divided into grades of waterproofing: W2, W4, W6, W8 and W12. At the same time stamp indicates the water pressure. For the sample taken cylinder 15 cm in height, which in the test will not leak.