298 South Road, Sheffield, S6 3TE tel: 0114 287 0723 email: sales@eesy.uk.com
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If you like the idea of doing your bit for the environment, whilst enjoying the benefits, then pick up the phone or fill out the form on the contact page.

All our details along with a web form can be found on the contact page click here

Tel: 0114 287 0723

Floor Construction Methods

 
Underfloor Heating - Solid Screed
Solid floor constructions are one of the simplest, most cost effective ways of installing underfloor heating. The pipes are laid on insulation then covered with screed which acts as the best heat conductor making this system the most responsive. There are two types of screed that can be used over the underfloor pipes; traditional sand/cement or specialist Anhydrite (flow screed).
Where the pipe is laid on insulation with sand/cement screed the minimum screed depth must be 65mm for domestic and 75mm for commercial applications.

The same situation with Anhydrite screed will only call for a nominal screed thickness of 50-55mm coverage.

All screed must be allowed to dry and cure normally in accordance with the relevant BS Standards before initial heating and system start-up. Underfloor heating must not be used to speed up the curing process.


The two most common methods of fixing the underfloor heating pipe to insulation are:-

Kombi Clip

Clip Rail & Clip

When installing onto floor grade insulation, pipes should be spaced 100mm away from the wall edges. In well-insulated domestic buildings the pipe centres are generally laid at 200mm or 300mm centres (depending on actual insulation levels and planned floor finishes) across the active floor area using 15 / 16mm pipe.

All of which will have pre determined at the design stage and the installer will have all information to hand on his design specification sheet.

Examples of the two methods can be seen below

 
Underfloor Heating Installed Within Screed Using Individual Clips or Staples
Underfloor Heating Installed Within Screed Using Clip Rail

 
 


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