50mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 9

50mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 9
Our ratings on 02-10-2026:
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.

50mm Unilin XtroLiner XO/CW (T&G) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 9

Length: 1200mm
Width: 450mm
Thickness: 50mm
Pack Quantity: 9
Board Coverage: 0.54m2
Pack coverage: 4.86m2
Thermal Conductivity: 0.021W/mK
R-Value: 2.35m2K/W
Compressive Strength: 120kPa

50mm Unilin XtroLiner XO/CW board has a tongue and groove core of modified polyisocyanurate (PIR) bonded to low emissivity aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin XtroLiner XO/CW board reduces the junctions prone to thermal bridging improving the thermal performance of the cavity wall. Unilin XtroLiner XO/CW is CFC & HCFC free and is manufactured under the highest standards of ISO 9001 and 14001 Quality and Environmental Management Systems. 

CHARACTERISTICS
  • High thermal performance rigid insulation,
  • Robust tongue & groove Jointing,
  • Easy to Install,
  • Non-deleterious material,
  • Suitable for new build and refurbishment,
  • Manufactured with zero ODP blowing agent,
  • Reduces Thermal Bridging, 
  • Reduced Risk of Condensation,
  • Reaction to fire: Euroclass C s2 d0,
  • Closed cell structure – moisture resistant.
APPLICATION
  • Partial fill cavity walls
CERTIFICATION

      

59mm Unilin Plydeck Flat Roof Board - 50mm PIR Bonded to 9mm OSB Board - 2400mm x 1200mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
59mm Unilin Plydeck Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 50mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 9mm OSB board. This combination provides both high levels of thermal insulation and a robust decking s..
Guide Price: £45.54
£54.65 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 8.64m2
Delivery Time: 1-3 working days
125mm 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 F..
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 5.76m2
Delivery Time: 7 - 10 days
160mm Unilin Safe-R 019/MA (Floors) is a high‑performance phenolic floor insulation board designed to deliver excellent thermal efficiency with minimal thickness. It is commonly used below screeds, timber floors and concrete slabs where achieving low U‑values is essential without increasing floor bu..
Brand: Unilin (prev. Xtratherm) Model: 1250x600mm - 10.5m2
Delivery Time: 2 - 3 working days
30mm Unilin XPS 500 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 ..
59.5mm Unilin XT/TL Thermal Liner Dot and Dab (50mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
59.5mm 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 9.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell comp..
Guide Price: £59.23
£71.08 inc VAT
92.5mm Unilin XT/TL Thermal Liner Dot and Dab (80mm 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
92.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 80mm 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: £62.39
£74.87 inc VAT
This product is listed in the following categories and systems (click to show).