Capillary Tube System as Underfloor Heating on Existing Floors

Underfloor heating on existing floors


Installation. The retrospective installation of the capillary tube mat onto existing floorings, such as screed, cement, load balancing polyester insulation panels or dry floor, is used within old building modernisation.  However, it can also be used within new buildings when, for example, an especially quick reaction behaviour is desired such as in rooms with large amounts of natural light. The mats are equipped with self-adhesive capillary supports and are simply pasted down. Afterwards, a 6 – 10 mm thin layer of fibre-reinforced grouting component or epoxy resin is applied. The grouting component can be fitted with tiles, parquet or any other materials after just 48 hours. 


Advantage over thick tube meanders in screed:

installation height only 6 – 10 mm;

ideal for retrospective installation ,

old and new buildings;

low static building load;

lower system temperature for the same capacity;

even temperature dissipation;

parquet floor heating;

hypoallergenic heating;

quick installation,

quick drying grouting component (48 hours) 


Technical Data  

Capacity heating / cooling: set for heat requirement / cooling requirement with the corresponding most energy efficient flow temperatures          

Mat installation height: 4.5 mm  

Element installation height: 6 - 10 mm (depending on the grouting component and coverage)  

Material flooring: all underfloor heating materials but also underfloor heating sensitive wood

COP plus (performance number increase heat pump/heating): Heat pump producer should adjust to allow for the improved performance number (COP) of W30, W28 or W26 depending on the project.

COP plus (performance number increase heat pump/cooling): complimentary cooling by connecting to wells or probes is possible. For surface collector or air-water heat pump, make enquiries at your heat pump producer as to W16.

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