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Installing steel beam

Anonymous user 09/03/2024 - 3.29 PM

I'm looking at removing a load bearing wall and placing a beam. One end of the beam will be resting perpendicular in an opening I'll be making in a cavity wall. The rule of thumb is that the beam has 150mm of overhang minimum on each side. My question is that if the inner leaf of the cavity is only 102mm wide (a normal brick) how can I have 150mm overhang? The padstones that I'm looking at are all the same width of a brick at 102mm and I've read that you shouldn't connect the inner and the outer leaf of a cavity so I can't just put a bigger padstone in (or put it sideways). I hope I'm making sense and any input will be appreciated as it’s driving me mad! Thanks.