Unilin Thin-R XT/UF 90mm PIR Floor Insulation Board

The Unilin Thin-R XT/UF Floor Insulation Board is a rigid PIR insulation solution engineered for floor construction applications. Contractors and installers favour this product for delivering performance equivalent to premium alternatives such as Kingspan TF70 at a considerably lower cost.

Featuring a thermal conductivity of 0.022W/mK and compressive strength exceeding 150kPa, this 90mm floor insulation board provides outstanding thermal performance whilst maintaining structural stability under load. This makes it an excellent selection for reliable and economical floor insulation installations.

Product Details

Brand: Unilin Thin-R XT/UF

Thickness: 90mm

Length: 2400mm

Width: 1200mm

Available Thicknesses: 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 65mm, 70mm, 75mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 165mm

Maximum Board Weight: 0.45 kg/m²

Thermal Resistance: 0.68m²K/W

Thermal Conductivity: 0.022 W/mK

Compressive Strength: >150 kPa

Water Vapour Resistivity: >100 MNs/gm

Density (Foam Core): 30-32 kg/m³

Surface Spread of Flame: Class 1

Reaction to Fire: E

Finish: Aluminium Foil Facings

Applications: Ground Supported & Suspended Floors

ETA Notification: Yes

Features: Versatile ǀ High-performance ǀ Rigid

Key Points

1. Superior compressive strength for load-bearing applications
2. Compatible with underfloor heating systems
3. Perimeter strips enable precise detailing
4. Achieves effective thermal performance with reduced thickness
5. Low emissivity foil facings enhance thermal efficiency

About

Floors with inadequate insulation contribute to significant thermal losses in buildings. The Unilin Thin-R XT/UF Underfloor Insulation effectively resolves this concern by substantially improving the U-Value performance of both new construction and retrofit floor systems.

This Unilin XT/UF product combines lightweight installation with straightforward handling. Its exceptional compressive strength paired with low thermal conductivity makes it a superior choice for achieving excellent floor insulation board performance and durability.

Info

Browse our complete Unilin range and refine by thickness or coverage using the filters on the left. For project-specific advice regarding product suitability or to request a volume discount quotation, contact us on +4402038839057, email sales@insulationbee, or use our Live Chat service - Competitive UK Insulation Pricing.