DIY Doctor

Conduit under screed floor and order of laying cable

Postby vishnura » Thu Jul 02, 2020 4:50 pm


Probably stupid question -
I need to lay some wiring for plug sockets under a new screed floor i will be laying.

What order should the cabling be?

Option A

1) DPM
2) Celotex insultation
3) Wiring (in Oval Conduit White 25mm)
4) Screed

Option B
1) DPM
2) Wiring (in Oval Conduit White 25mm)
3) Celotex insultation
4) Screed
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Simply Build It

Postby stoneyboy » Sat Jul 04, 2020 10:47 pm

Hi vishnura
Suggest option B. If you go for A it will create weak areas in the screed.
Regards S
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