56mm Unilin Xtroliner XO/STP PIR Soffit Plus Board - (50mm PIR Board and 6mm Building Panel)
56mm Unilin Xtroliner XO/STP PIR Soffit Plus Board - (50mm PIR Board and 6mm Building Panel)
- Product Code: A1-5030
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model and Size: 2400x1200mm - 2.88m2
Our ratings on 25-11-2025:
4.8 out of 5
56mm Unilin XtroLiner XO/STP PIR Soffit Plus Board - (50mm PIR Board + 6mm Building Panel)
Length: 2400mm
Width: 1200mm
Thickness: 56mm
Board Coverage: 2.88m2
Thermal Conductivity: 0.021W/mK
R-Value: 2.35m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
56mm Unilin Xtroliner XO/STP PIR Soffit Plus Board (50mm PIR + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 PIR foam core with negligible smoke obscuration. Unilin Xtroliner XO/STP PIR core is faced with low emissivity aluminium facings, bonded to an impact-resistant 6mm building panel.
APPLICATION
- Designed to use for ceiling insulation
CHARACTERISTICS
- Superior performance modified PIR foam,
- Provides the most efficient U-values with minimal thickness,
- Effective thermal and fire performance,
- Low smoke obscuration,
- Low risk fire rating - Euroclass B s1 d0,
- For new build or refurbishment,
- Rot proof and will remain effective for the life span of the building,
- Can be readily cut using a sharp knife or fine toothed saw.
CERTIFICATION

Brand: Unilin (prev. Xtratherm)
Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
129mm Unilin Plydeck Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 120mm 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..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 20.16m2
Delivery Time: 1-3 working days
40mm Unilin XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XtroLiner XO/PR board offers excellent insulation performance with excellent thermal conductivity. Unilin XtroLiner XO/PR is CFC & HCFC free and is man..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
100mm 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 im..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
50.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 38mm 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: £45.59
£54.71 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 28.8m2
Delivery Time: 1-3 working days
30mm Unilin XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XtroLiner XO/PR board offers excellent insulation performance with excellent thermal conductivity. Unilin XtroLiner XO/PR is CFC & HCFC free and is man..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x450mm - 2.16m2
Delivery Time: 1-3 working days
110mm Unilin ECO360/CW Partial Fill Cavity Wall board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin ECO360 CW board reduces the junctions prone to thermal b..