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Cheers RoonyRayGun & oldbutnotdead. Great idea for measuring beam deflection. will defo be exposing small sections at the ends and middle to measure deflection. @RonnyRaygun, i'm sure the padstone is made of high strength concrete so hopefully will be ok. @oldbutnotdead, fortunately the beam...

Thanks Jeds & Woody, I didn't even think about the padstone not being level. How would I know whether the padstone is level or whether the beam has deflected so much as to lift the end of the beam? Difficult to run a spirit level across the depth of the padstone as the builder has bricked around...

Also - is the beam deflection and resulting gap underneath expected? Just wanted to know if ok that the steel is sitting on approx. 30mm of padstone.

Hi Jeds, Original SE design has bearing at 100mm width. The issue I have is that the beam is installed, boarded and plastered. Is there a way to remedy from the external wall? if it must be remedied internally then so be it. Just not sure what the solution here would be.

Looking for some input (help) guys. Padstone is 80mm in depth. RSJ has been installed to sit on the concrete pad and bricked in on the inner leaf of the cavity wall. RSJ - 2 * 203 x 133 UB RSJ open span - 4.3m Note: also has a point load from additional beam in centre (additional beam 2.2m)...