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INSBOARD10MM
Warmup INSBOARD10MM Insulation Board – 10mm Waterproof Tile Backer for Enhanced Underfloor Heating Efficiency
The Warmup INSBOARD10MM is a robust, water-resistant insulation board designed to boost the performance of underfloor heating systems. Made from high-density extruded polystyrene and reinforced with a fibreglass mesh and cement polymer coating, it offers excellent thermal insulation and a strong surface for tiling.
- Maximises Energy Efficiency: Minimises heat loss and shortens heat-up times, improving system responsiveness.
- 10mm Thermal Insulation: Thicker profile offers improved insulation without significantly increasing floor height.
- Moisture-Resistant: Ideal for wet rooms, bathrooms, and kitchens where water resistance is essential.
- Strong & Rigid Surface: Cement-coated and mesh-reinforced for excellent tile adhesion and long-term stability.
- Quick Installation: Lightweight, easy to cut and install using adhesive or mechanical fixings.
Technical Specification
- Product Type: Insulated Tile Backer Board
- Material: Extruded polystyrene with fibreglass mesh and cement polymer coating
- Board Size: 1250mm (L) x 600mm (W)
- Thickness: 10mm
- Water Resistance: Yes
✅ Choose Warmup INSBOARD10MM for improved insulation performance and reliable moisture resistance in underfloor heating installations!

Range | Warmup INS Insulation Boards |
Product | Underfloor Heating |
Type | UFH Insulation Board |
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.