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    Ventilation duct in celotex

    Hi folks, We are in the process of getting a rear extension built with the following sandwich layer: Finished floor screed with wet UFH heating PIR insulation boards Concrete DPC layer Hardcore We have got some ventilation ducts that are flowing the length of the extension to provide...
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    Extension floor insulation thickness

    Hi folks, We are in the process of getting a rear extension built with the following sandwich layer: Finished floor screed with wet UFH heating PIR insulation boards Concrete DPC layer Hardcore Is there anything in the regulation which dictates the thickness of the PIR insulation boards? I...
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    Polypipe/copper pipe laid between PIR insulation in extension area

    Hi folks, We are in the process of getting a rear extension built with the following sandwich layer: Finished floor screed with wet UFH heating PIR insulation boards Concrete DPC layer Hardcore We are having a new water pipe (blue poly pipe) laid from the front of the house all the way into...
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