



Sunstone SSMAT3.5 Underfloor Electric Heating Mat W: 0.5m x L: 7m - Coverage: 3.5m² - 525W 240V 150W/m²
SSMAT3.5
Sunstone SSMAT3.5 Underfloor Electric Heating Mat - Efficient and Reliable Heating for Medium to Large Spaces
The Sunstone SSMAT3.5 Underfloor Electric Heating Mat provides an excellent solution for heating medium to large spaces. Pre-fixed to a glass-fibre mesh, the cables are evenly spaced for consistent heat distribution. This mat ensures easy installation, reducing setup time by up to 35%, making it perfect for both residential and commercial installations.
- Ample Coverage: Covers 3.5 square metres, ideal for larger rooms or heating zones.
- Quick & Simple Installation: Pre-spaced cables allow for easy installation, cutting setup time by 35%.
- Durable & Safe: Blue cables with PVC insulation ensure safe, long-lasting performance.
- Wattage Density: 150W per square metre, providing efficient and consistent heating.
- Comprehensive Warranty: Includes a 10-year warranty for long-term peace of mind.
Technical Specification
- Mat Dimensions: Width: 0.5m x Length: 7m
- Voltage: 220-240V, 50Hz
- Mat Thickness: 5mm
- Cold Lead Length: 3m
- Wire Colour: Blue (differentiated from the 200W/m² red cable)
✅ Enhance your heating setup with the Sunstone SSMAT3.5 for efficient and quick heating in medium to large spaces!

C/w Humidistat | N |
C/w Pullcord | N |
Range | Sunstone Underfloor Heating |
Coverage | 3.5 Square metres |
Product | Underfloor Heating |
Type | Underfloor Heating Mat |
Wattage | 525 W |
Voltage | 230/240 V |
Use | Domestic |
Nominal Power Output | 525 W |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.