Underfloor heating with polypipe

29 Jun 2007
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United Kingdom

I have had two rooms knocked together. The floors are a 45mm screed in one room and a 50mm screed in the other. I need to get the floors level and also level with the hallway but want to install a wet ufh system.

My best option appears to be;
- dig up existing screed floors
- lay a dpm
- lay colotex insulation
- lay a polypipe overlay system
- lay an engineered wood over the top

This will allow me to control the floor height, improve the insulation and have ufh.

Will the above provide a stable floor for the engineered wood? Do you think the colotex needs to be stuck down? Do batons need to be used that are screwed to the floor?

Any tips would be great. Thanks...
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- dig up existing screed floors
- 100mm blinded hardcore
- 100mm concrete oversite
- lay a dpm
- lay 100mm celotex insulation
- lay a polypipe system
- screed
- tile

That's what I'm in the process of doing.

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