66mm Unilin Xtroliner XO/STP PIR Soffit Plus Board - (60mm PIR Board and 6mm Building Panel)
66mm Unilin Xtroliner XO/STP PIR Soffit Plus Board - (60mm PIR Board and 6mm Building Panel)
- Product Code: A1-5031
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200mm - 2.88m2
Our ratings on 12-06-2026:
4.8 out of 5
66mm Unilin XtroLiner XO/STP PIR Soffit Plus Board - (60mm PIR Board + 6mm Building Panel)
Length: 2400mm
Width: 1200mm
Thickness: 66mm
Board Coverage: 2.88m2
Thermal Conductivity: 0.021W/mK
R-Value: 2.85m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
66mm Unilin Xtroliner XO/STP PIR Soffit Plus Board (60mm 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: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
42.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 30mm 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: £47.53
£57.04 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
81mm Unilin FR/TP Thermal Ply Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 75mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 6mm WBP grade plywood. This combination provides both high levels of thermal insulation and ..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
59.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 50mm Unilin PIR core faced with composite kraft paper bonded to 9.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell comp..
Guide Price: £59.23
£71.08 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 1200mm - 10.08m2
Delivery Time: 3 - 5 days
70mm Unilin FR/MG is a high performance PIR core with mineral coated glass facers suitable for use below single ply waterproofing systems and partially bonded built-up felt. It is compatible with adhesively bonded single ply roofing membranes laid on mechanically fixed or adhered boards.
..
Guide Price: £195.04
£234.05 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
40mm Unilin Thin-r XT/PR-UF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XT/PR-UF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/PR-UF is CFC & HCFC free and is manufactured under the high..
Guide Price: £29.66
£35.59 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
100mm Unilin ECO360 MA Floor PIR Insulation board has a bio-enhanced, halogen free core of modified polyisocyanurate (PIR) floor insulation bonded to textured low emissivity foil facings. Unilin ECO360 MA board offers excellent insulation performance with excellent thermal conductivit..