I'm looking for BS 3921 British Standard Specification for Clay Bricks
or BS EN 771-1 European Standard Specification for clay masonry units. Does anyone have them?
Many thanks in advance!
You can get the british standard here
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Regards
For roaming79:
BS 3921:1985 can be found here below:
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It was partially superseded by BS EN 772-3 and BS EN 772-7.