Product code: E000078

i-warm Core Underfloor Heating Kit 3LM

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The i-warm core is designed to be installed under screed application, a professional-grade underfloor heating product.

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  • Graphene Infrared Technology: High-conductivity graphene heats spaces faster and more evenly than wire systems, lowering overall energy consumption.
  • 0.33mm Ultra-Thin Profile: Embeds seamlessly into self-levelling screed or tile adhesive without raising floor heights.
  • Porcelain & Stone Optimised: The premier choice for heavy flooring, ceramic tiles, marble, and natural stone finishes.

View all products by i-warm

£57.00 £94.06 excl. VAT
£68.40 £112.87inc. VAT


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Description

Lower your heating bills, not your floor profile


Achieve ultra-efficient, professional-grade warmth with the i-warm Core 3LM Underfloor Heating Kit. Engineered with cutting-edge encapsulated PET technology and high-conductivity graphene infrared heating, this ultra-thin 0.33mm system delivers maximum thermal performance with zero bulk. Designed specifically for early build installation and embedded screed applications, it provides uniform, all-over heat distribution beneath heavy floor coverings without altering your finished floor height. 

Whether you are fitting out a high-traffic residential zone, a kitchen, or a wet room, the i-warm Core is built for tough, demanding environments. Its robust construction offers superior moisture resistance and years of consistent, maintenance-free operation. 

  • Graphene Infrared Technology: High-conductivity graphene heats spaces faster and more evenly than wire systems, lowering overall energy consumption.
  • 0.33mm Ultra-Thin Profile: Embeds seamlessly into self-levelling screed or tile adhesive without raising floor heights.
  • Porcelain & Stone Optimised: The premier choice for heavy flooring, ceramic tiles, marble, and natural stone finishes.
  • IP67 Encapsulated PET: Heavy-duty waterproof design ensures long-term moisture resistance in bathrooms, kitchens, and wet rooms.
  • Smart App Control: Pre-wired for i-warm and Salus Smart Thermostats to manage zone heating via Tuya smartphone apps.
  • Commercial-Grade Durability: Resilient construction withstands high foot traffic and heavy structural floor loads without degrading.
  • Early Build Ready: Ideal for early-stage construction projects, major property renovations, and home extensions.
  • Substrate Versatility: Installs securely over standard concrete subfloors, liquid screeds, and insulation boards.
  • All-in-One Pack: Includes 1x pre-wired i-warm Core 3LM heating mat, a technical instruction manual, and safety guidelines.

*See Technical Attachments for more details.

 

Specification

Brand i-warm
Connection Type Connection via 16A thermostat (RCD required)
Control Type Thermostatic
Coverage 1.74m²
Ingress Protection IP67 waterproof rated
Material Graphene
Manufacturer's Model No IWC-3LM-50CM
Manufacturer Warranty 5-Years
Maximum Floor Temperature 27°C
Product Code / GTIN 5065023243051
Length (m) 3m
Power per m2 220W
Power Supply 230-240V
Pack Includes i-warm core heating film pre-wired with main cable, flexible conduit for heating sensor probe, silver heating adhesive tape & install manual
Residual current device (RCD) RCD required
Thickness 0.33mm ultra-thin profile
Width (mm) 580mm
Type Electric UFH

Visit your local branch or contact us for more information.

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