Menu
Menu
Your Cart

56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)

56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)
56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)
56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)
56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)
56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic and 6mm Building Panel)
Our ratings on 24-02-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

To get price for this product only fill below:

If you need price for more products use blue button "Add to Quote" and look for more products.

56mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (50mm Phenolic + 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 Safe-R SR/STP Phenolic Soffit Plus Board (50mm 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 56mm 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

    100mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm 100mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 11.52m2
    Delivery Time: 7 - 10 days
    100mm Unilin Safe-R SR/PR Phenolic Foam Insulation Board is a superior performance rigid insulation for pitched roofs with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R is faced with low emissivity aluminium facings both sides, and ha..
    Guide Price: £451.66
    £541.99 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 5.76m2
    Delivery Time: 7 - 10 days
    150mm 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 ..
    75mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm 75mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 4) - Pitched Roof Insulation - 2400mm x 1200mm
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 11.52m2
    Delivery Time: 2 - 3 working days
    75mm Unilin Safe-R SR/PR Phenolic Foam Insulation Board is a superior performance rigid insulation for pitched roofs with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R is faced with low emissivity aluminium facings both sides, and has..
    Guide Price: £349.38
    £419.26 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
    Delivery Time: 1-3 working days
    146mm Unilin FR/TP Thermal Ply Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 140mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 6mm WBP grade plywood. This combination provides both high levels of thermal insulation an..
    75mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm 75mm Unilin XT/PR-UF PIR Rigid Insulation Board - 1200mm x 2400mm
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
    Delivery Time: 1-3 working days
    75mm 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: £31.24
    £37.49 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 8.64m2
    Delivery Time: 1-3 working days
    110mm Unilin XtroLiner XtroDeck XO/XD board has a core of modified polyisocyanurate (PIR) bonded to low emissivity embossed aluminium foil facings. Unilin XtroLiner XtroDeck XO/XD board offers excellent insulation performance with excellent thermal conductivity.Unilin XtroLiner XtroDeck XO/XD b..
    This product is listed in the following categories and systems (click to show).