The Sunstone SSMAT15 Electric Underfloor Heating Mat is a high-efficiency floor heating solution designed to provide comfortable, even warmth across larger floor areas. With a generous 15m² coverage, 2250W power output and 150W/m² wattage density, this mat is ideal for bathrooms, kitchens, hallways, living rooms, extensions and open-plan domestic spaces.

Designed with pre-spaced heating cables fixed onto a flexible glass-fibre mesh, the Sunstone SSMAT15 helps make installation faster, cleaner and more consistent. The mat can be rolled out across the prepared floor area, making it a practical choice for use beneath tiles and suitable floor finishes when installed correctly.

This electric underfloor heating mat delivers reliable heat distribution, helping remove cold spots and giving your tiled floor a warm, comfortable feel underfoot. It is an excellent choice for anyone looking to upgrade their home with modern, efficient and discreet floor heating.

Key Features

15m² Floor Coverage
Covers up to 15 square metres, making it suitable for larger bathrooms, kitchens, living spaces and open-plan areas.

Powerful 2250W Output
Provides strong and consistent heat performance with a nominal power output of 2.25kW.

150W/m² Heat Density
Designed to deliver efficient floor warming for domestic rooms and tiled floor installations.

0.5m x 30m Mat Size
The mat measures 0.5 metres wide by 30 metres long, making it easy to roll out and position across the floor.

Ideal for Tiled Floors
Perfect for use with porcelain tiles, ceramic tiles and suitable natural stone floors when installed with the correct adhesive and preparation.

Quick and Clean Installation
Pre-spaced heating cable on mesh helps reduce installation time and ensures even cable spacing.

Low Profile Design
With a mat thickness of approximately 5mm, it is suitable for floor build-ups where a slim heating system is required.

Comfortable Everyday Heating
Adds luxury, warmth and comfort to cold floors, especially in bathrooms, kitchens and tiled areas.

Domestic Use
Designed for residential heating applications, offering a reliable underfloor heating solution for the home.

Technical Specification

Product: Electric Underfloor Heating Mat
Range: Sunstone Underfloor Heating
Model / Order Code: SSMAT15
Coverage: 15 Square Metres
Mat Dimensions: 0.5m width x 30m length
Wattage: 2.25kW / 2250W
Nominal Power Output: 2.25kW
Voltage: 230/240V
Wattage Density: 150W/m²
Mat Thickness: 5mm
Cold Lead Length: 3m
Type: Underfloor Heating Mat
Use: Domestic
Humidistat Included: No
Pullcord Included: No
Suitable Areas: Bathrooms, kitchens, hallways, living rooms, dining areas and tiled spaces
Recommended Floor Coverings: Porcelain tiles, ceramic tiles and suitable stone finishes
Installation: Electrical connection must be completed by a qualified electrician
Delivery Estimate: 3–4 days, subject to availability