75mm Unilin XtroLiner XO/SK Sarking Warm Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
75mm Unilin XtroLiner XO/SK Sarking Warm Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
- Product Code: A1-5036
- Delivery Time: 1-3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 1200x2400mm - 11.52m2
Our ratings on 05-08-2026:

4.8 out of 5
75mm Unilin XtroLiner XO/SK Sarking Warm Roof PIR Insulation Board - 1200mm x 2400mm - Pack of 4
Length: 2400mm
Width: 1200mm
Thickness: 75mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack coverage: 11.52m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.55m2K/W
Compressive Strength: 150kPa
75mm Unilin XtroLiner XO/SK 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/SK board reduces the junctions prone to thermal bridging improving the thermal performance of the roof. Unilin XtroLiner XO/SK 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
- Pitched Roof Sarking
CERTIFICATION

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Guide Price: £62.15
£74.58 inc VAT









