Page 29 - 2017 Product Guide

UNDERFLOOR HEATING | VARIO PRO

Why do I need an uncoupling layer?

The problem: The solution:

All floors, especially new ones, expand and Introducing a layer of Vario PRO uncoupling
contract with changes in the temperature of membrane (or "crack mat / anti fracture mat"
the building. as it is sometimes called) helps to prevent
cracks and delamination by neutralising the
Typically a floor tile will expand and contract stress between the tiled surface and the sub
at a different rate to the tile adhesive and sub floor.
floor below.
The structure of the Vario ProMat flexes
This lateral movement causes stress to allow all parts of the floor build up to
and often results in cracked tiles and move slightly, without causing cracks and
delamination (tiles coming away from the delamination. Vario PRO cannot prevent
floor). damage from sheer movement.

Underfloor heating
1 1
Vario ProMat is designed to make
it easy to install electric underfloor
2 2 heating and an uncoupling membrane
with one fast track solution.
3 3
4 Uncoupling technology
4
Vario ProMat neutralises movement
5 between the substrate and floor finish
5 preventing delamination and cracking
commonly associated with tiled floors.
6
6
Vapour management
7 The cavities below Vario ProMat
create space for water evaporation
making it possible to install on
substrates that are not perfectly cured.

Waterproofing
Vario ProMat is totally waterproof, and
by using Vario PRO sealing tape on
1 Tiled floor finish 1 Tiled floor finish edges and penetrations you can create
a wetroom quickly and easily.
2 Flexible tile adhesive 2 Flexible tile adhesive
3 Vario PRO system 3 Vario PRO system
4 Flexible tile adhesive 4 Flexible tile adhesive Load distribution
5 Econoboard Coated Insulation 5 Econoboard Uncoated Insulation The dimples in Vario ProMat evenly
distribute concentrated floor loads
6 Timber substrate 6 Flexible tile adhesive from the tiles directly onto the
substrate.
7 Concrete substrate

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