Yes. Different sealers are used on different stones because of their porosity and resistance to staining. We recommend the Lithofin sealers and stone care products. 

DEVI strongly recommends that each section of floor has its own 'mat' and thermostat as in this instance, each floor surface has a different maximum temperature limit. Contact us to discuss the best options for this floor.

The covering has to be flexible or have a flexible additive. Talk to your Tiler for advice.

The adhesive bed has to be thick enough to cover the cables, generally 4-5mm is sufficient.

DEVI would recommend that the adhesive used is allowed to dry/cure naturally and to follow manufacturers recommendations.

This depends on various factors, such as

1. • what system has been installed (Undertile or Inslab)?
   • the type of screed that has been laid?
   • the depth is the floor screed?
   • etc.

This Time could be anything from 30 minutes for a Devimat placed under tiles through to 5 - 7 hours for an Inslab storage system.

The actual width of the mat is 480mm but it is recommended that it be laid at 500mm intervals to ensure the correct gap between runs is achieved.

With the Single Conductor mat there is a single "cold tail" at each end of the mat and they have to be brought back together at the connection point.