
Warmup WIS1550 Blue In-Screed 6mm Underfloor Heating Cable Length : 77.5m - 1550W 230V
WIS1550
Warmup WIS1550 Blue In-Screed Heating Cable – 1550W 6mm Cable for Efficient Heating in Large Screeded Floors
The Warmup WIS1550 Blue In-Screed Heating Cable is a high-capacity 6mm heating solution designed for embedding directly into screeded floors. With a 77.5m length and 1550W output, it provides reliable and even heat coverage for large areas in both residential and commercial settings.
- Ideal for Screeded Floors: Designed to be installed within screed layers beneath tile, stone, or other fixed flooring.
- Robust 6mm Construction: Built for durability and long-term performance under demanding conditions.
- 77.5m Cable Length: Provides 1550W of total output for heating larger floor zones efficiently.
- Flexible Installation: Easily laid out and secured with fixing bands or tape to suit room shapes and coverage needs.
- Thermostat Compatible: Integrates with Warmup thermostats for energy-efficient and accurate temperature control.
Technical Specification
- Product Type: In-Screed Heating Cable
- Cable Diameter: 6mm
- Cable Length: 77.5m
- Total Output: 1550W
- Voltage: 230V
✅ Choose the Warmup WIS1550 In-Screed Heating Cable for powerful, efficient underfloor heating in large screeded installations!

Range | Warmup WIS In Screed |
Product | Underfloor Heating |
Type | UFH Cable |
Wattage | 1550 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.