80mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 5

80mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 5
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.

80mm Unilin XtroLiner XO/CW (T&G) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 5

Length: 1200mm
Width: 450mm
Thickness: 80mm
Pack Quantity: 5
Board Coverage: 0.54m2
Pack coverage: 2.7m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.8m2K/W
Compressive Strength: 120kPa

80mm 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

      

Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 4.86m2
Delivery Time: 1-3 working days
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 imp..
Brand: Unilin (prev. Xtratherm) Model: Unilin Xtrafall
Delivery Time: 7 - 10 days
Unilin Xtrafall is a tapered roofing insulation system designed to deliver both thermal performance and bespoke drainage on flat roofs. By combining rigid Polyisocyanurate (PIR) insulation boards with precision‑engineered falls, the system eliminates standing water and the consequent damage often as..
92.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (80mm PIR Insulation bonded to 12.5mm Plasterboard) 92.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (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 Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 25mm Unilin PIR core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one oper..
Guide Price: £62.88
£75.46 inc VAT
79mm Unilin Plydeck Flat Roof Board - 70mm 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
79mm Unilin Plydeck Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 70mm 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: £57.18
£68.62 inc VAT
52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7) 52.5mm Unilin Safe-R SR/TB-MF (40mm Phenolic Core and 12.5mm Plasterboard) -  Mechanical Fixing (pack of 7)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400x1200 - 20.16m2
Delivery Time: 2 - 3 working days
52.5mm Unilin Safe-R SR/TB-MF is a composite insulated panel of 40mm Phenolic core with a composite foil facing bonded to a 12.5mm tapered edge plasterboard for internal applications, mechanically fixed. Unilin Safe-R SR/TB-MF is designed to provide high levels of thermal insulation and dry lining i..
Guide Price: £520.50
£624.60 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1250x600mm - 2.25m2
Delivery Time: 2 - 3 working days
120mm 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..
This product is listed in the following categories and systems (click to show).