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 11-11-2026:
Google My Business Reviews
4.8 out of 5
To GET BEST PRICE for this product only fill below:
Need a quote for more products? and continue browsing to find other materials needed.

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
xtratherm safe r sr stp install

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

Unilin CTPIR certification

    40mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 7) - Pitched Roof Insulation - 2400mm x 1200mm 40mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 7) - Pitched Roof Insulation - 2400mm x 1200mm
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 20.16m2
    Delivery Time: 2 - 3 working days
    40mm 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: £349.72
    £419.66 inc VAT
    150mm Unilin FR/MG Flat Roof Board - pack of 3 150mm Unilin FR/MG Flat Roof Board - pack of 3
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 1200mm x 1200mm - 4.32m2
    Delivery Time: 3 - 5 days
    150mm 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: £157.55
    £189.06 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 4.86m2
    Delivery Time: 1-3 working days
    50mm Unilin XtroLiner XO/CW 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/CW board reduces the junctions prone to thermal bridging improvin..
    72.5mm Unilin Safe-R SR/TB (60mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 5) 72.5mm Unilin Safe-R SR/TB (60mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 5)
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400x1200 - 14.40m2
    Delivery Time: 2 - 3 working days
    72.5mm Unilin Safe-R SR/TB is a composite insulated panel of of 60mm Unilin Phenolic core with a glass tissue facing, bonded to a 12.5mm tapered edge plasterboard for internal applications. Unilin Safe-R SR/TB composite insulation board is fixed with dot & dab adhesive bonding. It is designed to pro..
    Guide Price: £461.15
    £553.38 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 8.64m2
    Delivery Time: 7 - 10 days
    130mm Unilin Safe-R 019/MA (Floors) is a high‑performance phenolic floor insulation board designed to deliver excellent thermal efficiency with minimal thickness. It is commonly used below screeds, timber floors and concrete slabs where achieving low U‑values is essential without increasing floor bu..
    Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 17.28m2
    Delivery Time: 2 - 3 working days
    50mm Unilin Safe-R SR/FB Phenolic foam is a superior performance rigid insulation framing board with enhanced fire performance, consisting of an Euroclass B-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR is faced with low emissivity aluminium facings both sides, and ha..
    This product is listed in the following categories and systems (click to show).