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Insulation for steel corner post


Weebles

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Any help out there please? 

We have 2 corners with glazing meeting at the corner vertical SHS.  We have an MBC timber frame but there is no timber frame at these junctions, just the glazing units and the steel corner post.  We are worried about thermal bridging.

Still at the design stage so could design in some insulation.  What would you do?

corner detail.JPG

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Thanks A_L. I did see this (in fact this is what got us worried that we didn't have anything in the design, sorry I should probably have carried on that thread).  I wondered if anyone would do it differently if they were planning for it before starting on site?

Someone has mentioned pumping foam (or something else) into the SHS - has anyone done anything like this and how is it working?

Otherwise it looks like the consensus is a vapour control layer plus something like aerogel and then timber round the outside.  Need to advise structural openings so got to decide on how much thickness to allocate to this insulation.

I am probably sweating the small stuff a bit too much here (you can tell me!)

 

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