Menu
Menu
Your Cart

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 21-08-2026:
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

      

82.5mm Unilin XT/TL Thermal Liner Dot and Dab (70mm 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
82.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 70mm 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: £69.11
£82.93 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
125mm Unilin Thin-R Hyfloor XT/HYF is a high performance floor Insulation board with superior thickness to performance ratio allowing the lower targets required under the new Building Regulations to be achieved with minimum thicknesses. Unilin Thin-R Hyfloor XT/HYF is a high performance foil faced P..
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 450mm - 2.16m2
Delivery Time: 1-3 working days
90mm 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 Brit..
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 7 - 10 days
156mm Unilin Safe-R 019/STP Phenolic Soffit Insulation Board is a high‑performance phenolic soffit insulation board designed for structural ceiling applications where both thermal efficiency and fire performance are critical. It combines a rigid phenolic insulation core with low‑emissivity foil..
15mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm 15mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
15mm Unilin Thin-r XT/TF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings for use in timber framed walls. Unilin XT/TF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/TF is CFC & HCFC free and is manuf..
Guide Price: £31.47
£37.76 inc VAT
27.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (15mm PIR Insulation bonded to 12.5mm Plasterboard) 27.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (15mm 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
27.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 15mm 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: £43.80
£52.56 inc VAT
This product is listed in the following categories and systems (click to show).