Menu
Menu
Your Cart

100mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 4

100mm Unilin XtroLiner XO/CW (TG) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 4
Our ratings on 22-05-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

To GET BEST PRICE for this product only fill below:

Need a quote for more products? Add to Quote and continue browsing to find other materials needed.

100mm Unilin XtroLiner XO/CW (T&G) Partial Fill Cavity Wall PIR Insulation Board - 1200mm x 450mm - Pack of 4

Length: 1200mm
Width: 450mm
Thickness: 100mm
Pack Quantity: 4
Board Coverage: 0.54m2
Pack coverage: 2.16m2
Thermal Conductivity: 0.021W/mK
R-Value: 4.75m2K/W
Compressive Strength: 120kPa

100mm 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

      

60mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 7) 60mm Unilin Thin-R XT/CW Partial Fill Cavity Insulation Board (pack of 7)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 3.78m2
Delivery Time: 2 - 4 days
60mm Unilin ThinR XT/CW Partial Fill Cavity Wall Insulation Board is a PIR insulation board with a high thermal performance whilst maintaining a residual cavity in the external walls. This board achieves high standards of insulation with a certified thermal conductivity of 0.022W/mK with the optiona..
Guide Price: £49.52
£59.42 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 11.52m2
Delivery Time: 1-3 working days
70mm 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: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
80mm Unilin Safe-R SR/ST Phenolic foam is a superior performance rigid insulation soffit board with enhanced fire performance, consisting of a C-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/ST is faced with low emissivity aluminium facings both sides, and has a therm..
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 8.64m2
Delivery Time: 1-3 working days
110mm 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 - 8.64m2
Delivery Time: 7 - 10 days
130mm 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..
100mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm 100mm 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
100mm 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 manu..
Guide Price: £37.87
£45.44 inc VAT

Rate this product

Please login or register to review
This product is listed in the following categories and systems (click to show).