Multi-purpose additive in aqueous solution for heat conducting screeds

Code: ADX.0064

Components: 1

Appearance: Liquid

Multi-purpose Additive solution specific for the improvement of thermal conductivity of concretes, through balanced superlubricating, defoamer, plasticiser type actions. FLUID THERM is perfectly compatible in combination with steel READYMESH MM-150 (usually dosed at 25 kg/m³) or multifilament READYMESH PM-180 (usually dosed at 1 kg/m³) polypropylene fibres.

Linee di appartenenza

Certification obtained and Standards

EN 934-2

General characteristics




Shelf-life: 12 months



Available colours

- Brown

Packaging and dimensions

- Plastic can 10 kg

- Plastic can 25 kg


In radiant panel heating systems , the presence of high air content in the concrete forming the levelling screed can cause the correct spread of thermal energy to be severely obstructed; on the other hand, the conglomerate incorporates air already in the mixing phase in the form of microbubbles, while the excess mixing water and the segregation mechanisms that occur during transport and casting contribute to including additional quantities of air in the form of macrobubbles in the conglomerate. In this context, the peculiar defoamer, superlubricating and antisegregative actions of FLUID THERM, are particularly valuable as they allow the production of grouts and concretes with very low air content.


Approximately 2.5 litres of FLUID THERM for every cubic metre of cement mix to be made.

Use fields

Production of grouts and concrete with "damp earth" consistency, at a low water/cement ratio, with remarkable thermal conductivity properties, for the construction of screeds in radiant panel heating systems.

Use method

FLUID THERM must be added to the anhydrous components of the conglomerate, together with the mixing water; the dosage of normal use is 1% by weight, relative to the weight of the binders. After adding the product, provide for adequate mixing in order to obtain a homogeneous mixture free of lumps.

To further increase the conglomerate density and improve its anti-cracking performance, you should consider the addition of multifilament polypropylene READYMESH PM-180 or steel READYMESH MM-150 fibre, on the basis of the dosing guidelines listed on the appropriate technical fact sheet.

FLUID THERM is considered a neutral additive, i.e. does not involve changes to the normal gripping and hardening times of the conglomerate where it is inserted.

Application methods

- To be added to other components

Tool cleaning

- Water

Permitted supports

- Concrete

- Floor screed

Warnings, precautions and Ecology

FLUID THERM significantly reduces the mixing water. Check the consistency of the conglomerate in the mixing phase. Excess water can affect the consistency and performance of the conglomerate itself.

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Products on display

  • Protech Balcony
  • Readymesh
  • Osmocem