Concrete: How many 25kg bags of cement for one jumbo bag of ballast?
On Friday, June 9, 2017 at 5:37:56 PM UTC+1, jim wrote:
Have you forgotten it all? :-)
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Jim K
Dumpy bags didn't exist in 1974, and they are what I was asking about. Also, I was a bricky's labourer - didn't have much involvement with concreting.
Al
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