Menu
Menu
Your Cart

66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)

66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)
66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)
66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)
66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)
66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic and 6mm Building Panel)
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

66mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (60mm Phenolic + 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 Safe-R SR/STP Phenolic Soffit Plus Board (60mm Phenolic + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/STP phenolic core is faced with low emissivity aluminium facings both sides, and has a thermal conductivity as low as 0.020W/mK.

Note: this product was formerly known as 66mm Xtratherm Safe-R SR/STP Phenolic Soffit Plus Board

APPLICATION
  • Designed to use for ceiling insulation


CHARACTERISTICS
  • Superior performance phenolic 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

    59.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (50mm PIR Insulation bonded to 9.5mm Plasterboard) 59.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (50mm PIR Insulation bonded to 9.5mm Plasterboard)
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
    Delivery Time: 1-3 working days
    59.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 50mm Unilin PIR core with foil faces bonded to 9.5mm 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 opera..
    Guide Price: £44.42
    £53.30 inc VAT
    34.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (25mm PIR Insulation bonded to 9.5mm Plasterboard) 34.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (25mm PIR Insulation bonded to 9.5mm Plasterboard)
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
    Delivery Time: 1-3 working days
    34.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 25mm Unilin PIR core with foil faces bonded to 9.5mm 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 opera..
    Guide Price: £35.95
    £43.14 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 8.64m2
    Delivery Time: 7 - 10 days
    120mm 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..
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 8.64m2
    Delivery Time: 7 - 10 days
    120mm Unilin Safe-R 019/MA (Roofs) is a high‑performance phenolic insulation board designed specifically for warm roof applications where exceptional thermal efficiency is required with minimal added build‑up. Its advanced phenolic core delivers one of the lowest thermal conductivities available in ..
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
    Delivery Time: 1-3 working days
    116mm Unilin FR/TP Thermal Ply Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 110mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 6mm WBP grade plywood. This combination provides both high levels of thermal insulation an..
    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 manufactured u..
    Guide Price: £22.10
    £26.52 inc VAT
    This product is listed in the following categories and systems (click to show).