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  1. B

    Engineering bricks class A or B

    Hi all, How can you tell the difference between a class A and a class B engineering brick? Are they marked somehow? I have a pile of bricks left from the previous house owner and am starting an extension. Would be nice to know if I could use these as steel beams require class A brick support...
  2. B

    Second hand rsj/steel beam

    Hi all, I'm after a bit of advice regarding steel beams and building control. I'm building a garage extension and have consulted a structural engineer who has provided beam calculations etc. I've put in the building notice to the council and have started shopping around for steel beams. My...
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