DIY Doctor

Insulating a shed floor that is currently in place

Postby jcwads » Tue May 26, 2020 3:03 pm

Hello,

I have insulated my shed with celotex board. However when it comes to the floor, the shed is already installed and I cant uproot it. It is sat on a concrete bass with wood panels as the floor presently.

I have about 3.5cm to play with but my options are limited. Can you lay celotex and then some kind of hard floor directly on top of it? I dont have the luxury of joists that you can insulate between and then cover...
jcwads
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Postby stoneyboy » Tue May 26, 2020 9:41 pm

Hi jcwads
Lay a DPM on the concrete, 25mm celotex and that leaves you 10mm for flooring.
Regards S
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