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Thermal bridging, poured walls/poured roof

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PatrickT

Mechanical
Dec 10, 2007
4
Hello all.

New to the site here but I'll start off with my question. I'm building a concrete home. Most of the details have been solved but I do have a few concens that many have dismissed as over the top. My issue is the thermal bridging that will occure when a flat concrete roof is poured on a set of ICF walls. The roof slab will be insulated from below and the ICF is already insulated system. The roof deck, 4" slab poured on a steel bar joist system, made by . Nice system. I saw them when I was at the WOC in LV.(World of Concrete in Las Vegas)

I see a need for the roof slab to rest structrally on the ICF walls but...be thermally isolated. The roof will be a roof top patio so it must be a concrete surface, i.e. insulated below.

Patrick T
 
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