I have fitted an 8"x4" by 2.5 RSJ going between kitchen and back living room. I have a 60mm gap from top of beam to bottom of joists. How can I pack this out ?? Thanks
Couldn't you cut a bit of the stone post away so that you can get the beam up to the joists.
I've never come across it in this situation, so not sure what building control's reaction would be, but there is not reason structurally why you shouldn't use a length of 100x63 joist above the beam.
If the existing joists are not overstressed in bearing, then the additional timber won't be either. It's obviously internal so no issue with water ingress either.
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