OCTA Thin underfloor heating system
Underfloor heating system OCTA
OCTA is a thin, water-based underfloor heating system with a low installation height starting at 15 mm, making it ideal for renovation and new construction projects. The pipe diameter used is only 10 mm.
A complete thin water-based system consisting of tile - pipe - accessories.



The tile
The installation height of the OCTA underfloor heating system is only 15 mm when using a special screed. This makes it particularly suitable for installation on existing floors during renovation work.
Thanks to the well-designed connection technology, the pre-assembled grids can be quickly laid in the room and connected from both above and below. There is no waste or residual material because the tiles can be easily detached and completely reused.
The OCTA connection principle is based on a click system that allows for easy installation and removal of the tiles. Due to their small size, the individual grid modules can be flexibly adapted to the space.
The dimensions of a single tile are 155 x 155 mm, and they are supplied as a complete grid measuring 1085 x 755 mm, consisting of 5 x 7 pieces, for a total of 35 mats with a surface area of 0.84 m2.

There is no waste or residual material because the tiles can easily be detached and reused.

PE-RT pipe Ø 10 mm
The OCTA grid allows the PE-RT pipe to be laid at angles of 45°.
This PE-RT pipe consists of 5 layers:
- Polyethylene suitable for high temperatures
- Outer adhesive layer
- Oxygen barrier
- Inner adhesive layer
- Polyethylene suitable for high temperatures
Approved according to ISO 10508 Class 4 for underfloor heating.
Complies with BRL 5602 and BRL 5607.

Technical characteristics PE-RT pipe
| Material |
PE-RT Type II according to ISO 22391 |
| Maximum operating temperature according to ISO 10508 class 5 (°C) | 90 |
| Maximum working pressure according to ISO 10508 Class 5 (bar) | 6 |
| Thermal conductivity (W/mK) at 20ºC DIN 52612 | 0.41 |
| Linear thermal expansion coefficient [mm/mK] DIN 52328 | 0.195 |
| Inner surface roughness [mm] according to Prandl/Colebrook | 0.007 |
| Oxygen diffusion barrier DIN 4726 [mg/(m²·d)] 40ºC (class 4) | < 0.32 |
| Oxygen diffusion barrier DIN 4726 [mg/(m²·d)] 80ºC (class 5) | < 0.360 |