I was having a clear-out and found an unopened bag of Slablayer (a cement/sand mix for, er, laying slabs...) which states use by December
2007. Should I just chuck it out or will it keep a bit longer?
I was having a clear-out and found an unopened bag of Slablayer (a cement/sand mix for, er, laying slabs...) which states use by December
Paper or plastic? Paper will have let moisture in, plastic might not have.
Has it set hard? If not, you're in with a chance, though the strength might not be as specified.
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