115mm Unilin Thin-R Plus XT/CF Full Fill Insulation (pack of 4) - 1200mm x 450mm

115mm Unilin Thin-R Plus XT/CF Full Fill Insulation (pack of 4) - 1200mm x 450mm
Our ratings on 30-10-2026:
Google My Business Reviews
4.8 out of 5
To GET BEST PRICE for this product only fill below:
Need a quote for more products? and continue browsing to find other materials needed.

115mm Unilin Thin-R Plus XT/CF Full Fill Insulation (pack of 4) - 1200mm x 450mm

Length: 1200mm
Width: 450mm
Thickness: 115mm
Pack Quantity: 4
Board Coverage: 0.54m2
Pack Coverage: 2.16m2
Thermal Conductivity: 0.021W/mK
R-Value: 5.45m2K/W
Compressive Strength: 120kPa

115mm Unilin Thin-R Plus XT/CF is a superior performance, enhanced polyisocyanurate (PIR) insulation, specifically engineered for full-fill thermal insulation in new external masonry cavity walls. This advanced insulation board is designed to meet and exceed the stringent thermal requirements of British Building Regulations, ensuring optimal energy efficiency and comfort in residential and commercial properties. Unilin XT/CF delivers outstanding thermal performance, significantly reducing heat loss and improving the overall U-values of the wall structure. The boards are faced on both sides with a low emissivity foil, further enhancing their insulating properties and contributing to maximum heat retention.

The XT/CF range is suitable for full-fill cavity applications, maintaining a crucial 10mm residual cavity. This design not only maximises thermal performance but also provides excellent protection against wind-driven rain, a common concern in the British climate. Furthermore, it boasts an enhanced Euroclass C fire classification, offering improved safety and peace of mind for specifiers and builders. Unilin XT/CF is a lightweight, easy-to-handle product, simplifying installation on site. It is available in a range of thicknesses to suit various project requirements and is manufactured in accordance with EN 13165, ensuring consistent quality and reliability. Unilin XT/CF is a robust, efficient, and compliant insulation solution that contributes to the creation of truly energy-efficient and comfortable buildings.

APPLICATION

  • Full fill cavity wall insulation

CHARACTERISTICS

  • Enhanced Polyisocyanurate (PIR) insulation.
  • Specifically designed for full-fill thermal insulation in new external masonry cavity walls.
  • Exceptionally low at 0.021 W/mK, indicating superior thermal performance.
  • Low emissivity foil on both sides, enhancing thermal performance.
  • Engineered for full-fill applications while maintaining a 10mm residual cavity.
  • Provides excellent protection against wind-driven rain.
  • Enhanced Euroclass C fire classification for improved safety.
  • Lightweight and easy to handle, simplifying installation.
  • Manufactured in accordance with EN 13165, ensuring quality and reliability.
  • Contributes to significantly improved U-values, reduced heat loss, enhanced energy efficiency, and increased comfort.

CERTIFICATION

       Unilin CTPIR certification

62.5mm Unilin XT/TL Thermal Liner Dot and Dab (50mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
62.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 50mm Unilin PIR core faced with composite kraft paper bonded to 12.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell com..
Guide Price: £59.23
£71.08 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1250x600mm - 3.75m2
Delivery Time: 2 - 3 working days
80mm Unilin XPS 300 is an extremely durable heavy duty thermal insulation board made of extruded polystyrene offering exceptional thermal performance and versatility. It is a lightweight board that is able to withstand extreme loads. It has a rebated edge.CHARACTERISTICSExtremely strong,Compressive ..
Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
120mm Unilin XtroLiner XO/UF board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings and prevents downward heat loss through floors. Unilin XtroLiner XO/UF board offers excellent insulation performance with excellent thermal conductivity. Unilin X..
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 14.40m2
Delivery Time: 1-3 working days
60mm Unilin Thin-R FR/ALU Flat Roof PIR Insulation Board is a flat roof insulation with enhanced vapour resistant performance. Unilin Thin-R FR/ALU board is faced with low emissivity aluminium facings both sides. Rot proof and will remain effective for the life span of the building. Unilin Thin-R FR..
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 8.64m2
Delivery Time: 7 - 10 days
110mm Unilin Safe-R 019/MA (Soffit) Phenolic Insulation Board is a high‑performance phenolic insulation board designed for use on the underside of structural ceilings in both commercial and residential buildings. It delivers strong thermal efficiency and reliable fire performance, making it a robust..
110mm Unilin FR/MG Flat Roof Board - pack of 4 110mm Unilin FR/MG Flat Roof Board - pack of 4
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 1200mm - 5.76m2
Delivery Time: 3 - 5 days
110mm Unilin FR/MG is a high performance PIR core with mineral coated glass facers suitable for use below single ply waterproofing systems and partially bonded built-up felt. It is compatible with adhesively bonded single ply roofing membranes laid on mechanically fixed or adhered boards. ..
Guide Price: £161.64
£193.97 inc VAT
This product is listed in the following categories and systems (click to show).