Engineering Excellence & Product Overview
Insulation Board XPS Underfloor Heating Thermal is premium closed-cell extruded polystyrene insulation designed to optimise the thermal performance of hydronic underfloor heating systems. Its low thermal conductivity effectively blocks downward heat migration into the subfloor, concentrating warmth upwards to the finished floor and lowering overall energy consumption. With outstanding water resistance and stable compressive strength, this XPS board maintains consistent insulation performance even in humid ground-floor and basement environments. Compatible with wet screed and dry overlay heating setups, it is widely used in residential and light commercial construction. We provide B2B bulk supply, with technical data sheets, test reports and compliance certificates available on request.
Technical Specifications
- Thickness range: 20 mm to 30 mm
- Default panel dimension: 600 × 1200 mm
- Aluminium foil options: 0.07 mm, 0.1 mm and 0.2 mm thickness
- Compatible pipe outer diameters: 10 mm, 12 mm, 16 mm, 20 mm
- Available pipe centre spacing: 100 mm, 150 mm, 200 mm
- Custom specs are negotiable for orders starting from one 40HC full container.
Need Technical Data Sheet?
Quality Assurance & Test Reports
- Accredited Thermal & Mechanical Testing: Our XPS underfloor heating thermal insulation boards are evaluated by authorised labs following EN 13164, covering thermal conductivity, compression resistance, water absorption and dimensional stability.
- Full-process Incoming & Finished Inspection: Raw XPS granules, extrusion forming and surface treatment are monitored on the production line; each batch is sampled randomly for performance verification.
- Complete Compliance Documentation Pack: TDS, Declaration of Performance and official lab test reports can be supplied to support tendering, site inspection and local building code approval.
- Long-term Stability Assessment: Accelerated ageing tests are carried out to confirm thermal performance will not degrade under sustained heating and fluctuating humidity conditions.




Application Range
- Acts as a thermal hurdle for newly constructed warming layouts and reduces energy waste.
- Property Renovation and Retrofit: A versatile thermal remedy for outdated structures that is both dry and wet.
- Wet ground floors and basement areas: Closed-cell, moisture-resistant structure maximizes insulation in humid, ground-level environments.

Why Choose Us as Your B2B Manufacturing Partner?
- Customized XPS Board Solutions: We can modify the presentation, foil coating, and panel dimensions to meet the needs of your target market.
- Stable Lead Time Arrangement: Sample orders receive priority running, while cyclical production schedules guarantee timely shipping for repeat bulk purchases.
- Reactive Technical Aftercare: Long after shipment, we continue to support your team with technical support.









Get in touch for custom insulation options, factory-direct rates and professional export handling.
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