
Heatmat TTB-111-1000 25mm Screws & Washers For Fixing 10mm Insulation Boards Onto Floorboards - Pack Size 50
TTB-111-1000
Heatmat TTB-111-1000 25mm Screws & Washers – For Securing 10mm Insulation Boards to Floorboards, Pack of 50
The Heatmat TTB-111-1000 Fixing Kit includes 25mm screws and washers specifically designed for securing 10mm thermal insulation boards to timber floorboards. This pack ensures a stable and reliable base for underfloor heating installations.
- Reliable Fixing Solution: Designed to firmly secure 10mm insulation boards to timber substrates.
- Optimised for Underfloor Heating: Ensures a level and stable surface before heating cable installation.
- Corrosion-Resistant Screws: Zinc-plated for long-lasting performance and durability.
- Wide-Head Washers: Distributes load and prevents damage to the insulation boards during fixing.
- Convenient Pack Size: Supplied in a pack of 50, ideal for standard room installations.
Technical Specification
- Screw Length: 25mm
- Washer Diameter: 36mm (approx.)
- Fixing Depth: Suitable for 10mm insulation boards
- Application: For use on timber floorboards
- Pack Quantity: 50 screws and washers
✅ Ensure secure and professional insulation board installation with Heatmat’s 25mm Screws and Washers!

Range | TTB 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.