Joisted Floors Underfloor Heating System 144m²

144.0m² ThermRite Heatboard ULTRA Grooved Plated Chipboard System

Description

The 144m² ThermRite Heatboard ULTRA system is made for expansive joisted floors requiring efficient, even heat distribution. Robust 22mm chipboard panels paired with aluminium heat diffusion plates ensure rapid heating and system reliability.

Optimised for use with 12mm multilayer pipe at 150mm centres, this system balances performance with ease of installation.

Panel Size: 2400mm x 600mm x 22mm
Coverage: 1.44 m² per panel

What’s Included

• 100 x ThermRite Heatboard ULTRA Panels
• 900 x High Output Aluminium Plates
• A Rated Grundfos Pump and Mixing Valve
• 12 Port Dualmix Manifold and Connectors
• 12mm High specification multilayer pipe (~960 metres)
• Digital Programmable Thermostat
• Pipe Cutter and Reaming Tool
• Installation Instructions and Layout Guide

Key Features

• Integrated high-output heat plates for maximised energy efficiency
• Strong chipboard panels with tongue & groove interlocking edges
• Flow control and temperature regulation via premium pump and manifold
• Complete system including pipes, controls, fittings, and installation support
• Manufactured to UK safety, fire, and environmental standards

Benefits

• Reliable, effective heating for large, complex floor layouts
• Fast installation with pre-grooved pipe channels and fixed plates
• Low maintenance with long-lasting materials and components
• Compliance with all applicable UK building regulations for safety and environmental impact

Ideal for major new builds and refurbishments demanding professional, high-output underfloor heating performance.

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on all orders

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Delivery fee of £15

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX