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ITHERME GYPSUMDEK 18 - Underfloor Heating System

Verified by manufacturer 11 days ago

ITHERME Underfloor Heating and Cooling

ITHERM E GYPSUMDEK 18 is an ultra-low profile structural underfloor heating panel designed to deliver efficient heat output with minimal increase in floor height.

01908 464654 Website

Application

The ITHERME GYPSUMDEK 18 system is installed directly onto a joisted subfloor, with heating pipework laid into the pre-routed channels and finished using a thin self-levelling screed, gypsum screed panel, or plywood layer before the final floor finish is applied.

Description

The ITHERME GYPSUMDEK 18 is an ultra-low profile structural underfloor heating panel designed for joisted subfloor constructions where minimal height build-up is required. With an overall thickness of just 18 mm, the system installs directly onto the subfloor and requires only a thin self-levelling screed or alternative covering prior to the final floor finish. The pre-routed pipe channels securely house the heating pipework, supporting efficient heat transfer and consistent thermal performance across the floor area while maintaining structural integrity.

Features and benefits:

  • Ultra-thin 18 mm panel designed for minimal floor height increase.
  • Pre-routed channels tightly encase pipework for secure installation.
  • Requires only 3–5 mm self-levelling screed, or alternative slim covering options.
  • Provides even heat distribution and strong system output.
  • Suitable for structural joisted subfloor applications.
  • Compatible with all common floor finishes, including tiles.
  • Factory-sealed gypsum board offers dimensional stability and durability.
  • Non-flammable material classified to Euroclass A2.

General information

Color

Grey

Finish

Other

Material

Gypsum

Expanded polystyrene (EPS)

Shape

Rectangle

Length

1200 mm

Width

600 mm

Height

18 mm

Uniclass

Ss_60_40_92_94 Underfloor low-temperature hot water heating systemsPrimary

CAWS

T90/478 Underfloor electric heating cables

T90/450 Insulation to pipework to control heat loss

T9/336 Insulation for heating system pipework

Sustainability data

Material

Gypsum
Expanded polystyrene (EPS)

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