Technical Information about Underfloor Heating

Telephone 01491 614694

UNDERFLOOR HEATING – Technical information

How Does Underfloor Heating Work?

Underfloor Heating benefits Underfloor heating works by circulation or warm water through a network of pipes which have been laid under the floor surfaces. Anders Heating use REHAU pipes which are made from smooth lined PE-Xa, cross linked polyethylene, with a life expectancy of well over one hundred years.

The whole floor area acts as one big heating element, the temperature of the water circulating in the system can be kept much lower, ideal for the latest high efficiency condensing boilers, which give maximum savings from low return water temperatures.

Underfloor heating eliminates temperature variations throughout a room as the pipe work covers the entire floor area.

For a quotation please submit your plans to
rob@andersheating.co.uk or call us on 01491 614694

Floor Types

REHAU Tacker Sheet System - Suitable for solid screeded floor types A system where significant time and costs savings are achievable during installation by combining previously separate installation steps into one.
REHAU RAUFIX/Railfix System - Suitable for solid screeded floor types This system ensures that uniform circuit patterns are easily achieved and simplifies the installation process in large areas. The underfloor heating circuits may be laid in the double meander pattern, which gives an even spread of heat.
REHAU Diffusion Plate System - Suitable for timber floor systems Designed specifically for timber joist floor applications.
REHAU Floating Floor System - Suitable for timber floor systems This dry system is ideal for installations where a finished floor is required within a minimum time frame. No wet trades are involved, making it a very fast system to install and removes the need for other building trades.
REHAU Sprung Floor System - Suitable for gymnasiums and sports halls This system is ideal for installations in areas where an impact resilient floor is required and which are predominantly used for physical activities, such as sports halls.

REHAU RAUTHERM UNIVERSAL PIPE

Rehau Rautherm universal pipe is made from Cross Linked Polyethylene, with a co-extruded EVAL oxygen diffusion barrier. Cross linking is the process of linking molecules in the polyehtylene, giving much improved physical properties. REHAU was one of the pioneers of this process.

Rehau Rautherm universal pipe has exceptional physical properties including:

Resistance to stress crack formation
Outstanding long term stress rupture resistance at high temperatures, up to 105°C
Exceptional thermal ageing resistance
Kink resistance and kink damage resistance
Chemical resistance and completely non-corroding
Resistance to scale build-up

Pipe Specification
Rehau Rautherm universal pipe and the underfloor heating system are fully tested to BS 7291, listed in the WRAS (Water Regulations Advisory Scheme) directory and are BBA approved.

Working pressure - 6 bar at 95°C - BS 7291.
Maximum flow temperature 105°C at 3 bar.
Recommended for nominal flow temperatures up to 83°C.
Operating pressure of 3.5 bar complying to Class S.

Rehau Authorised Partner British Board of Agreement

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