Menu
Menu
Your Cart

120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)

120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)
120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)
120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)
120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)
120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 3)

Length: 1200mm
Width: 450mm
Thickness: 120mm
Pack Quantity: 3
Board Coverage: 0.54m2
Pack Coverage: 1.62m2
Weight/m2: 5.56kg
Weight: 9kg
Thermal Conductivity: 0.019W/mK
R-Value: 5.8m2K/W
Compressive Strength: 100kPa
Fire Rating (Reaction to Fire): D(Class 3)

120mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board is a high‑performance phenolic insulation panel designed for traditional masonry cavity walls. It delivers excellent thermal efficiency while preserving a clear residual cavity, helping protect buildings from wind‑driven rain. This makes it a strong choice for projects aiming to meet demanding U‑value requirements without increasing wall thickness unnecessarily. Safe‑R 019 (SR019/CW) is a rigid phenolic insulation board faced with composite foil on both sides. Its low declared thermal conductivity of 0.019 W/mK enables superior insulation performance at reduced thicknesses. The board is engineered specifically for partial‑fill cavity wall construction, the most common method in traditional masonry building.

APPLICATION

  • Partial‑fill cavity walls in residential and commercial buildings
  • New‑build masonry construction requiring improved thermal performance
  • Projects targeting lower U‑values while maintaining a conventional wall width

CHARACTERISTICS

  • Phenolic insulation core: Provides high thermal performance with enhanced fire characteristics.
  • Maintains a clear residual cavity: Ensures continued protection against wind‑driven rain.
  • Lower lambda value: Helps achieve improved U‑values without widening the wall build‑up.
  • Foil‑faced on both sides: Enhances thermal efficiency and moisture resistance.
  • Suitable for new build masonry walls: Ideal for traditional cavity wall construction where performance and space efficiency matter.
  • Reaction to Fire: Euroclass D-s1, d0

CERTIFICATION

  • ISO 45001:2023+A1:2024 Occupational Health & Safety Management Systems
  • ISO 9001:2015+A1:2024 Quality Management Systems
  • ISO 14001:2015+A1:2024 Environmental Management Systems

    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 5.76m2
    Delivery Time: 7 - 10 days
    160mm 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..
    70mm Unilin FR/MG Flat Roof Board - pack of 7 70mm Unilin FR/MG Flat Roof Board - pack of 7
    Guide Price
    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: £162.53
    £195.04 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 17.28m2
    Delivery Time: 1-3 working days
    50mm 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 imp..
    Brand: Unilin (prev. Xtratherm) Model: 1200x450mm - 2.16m2
    Delivery Time: 1-3 working days
    110mm Unilin ECO360/CT CavityTherm Full 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 CT board reduces the junctions prone to ..
    60mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 5) - Pitched Roof Insulation - 2400mm x 1200mm 60mm Unilin Safe-R SR/PR Phenolic Insulation Board (pack of 5) - Pitched Roof Insulation - 2400mm x 1200mm
    Guide Price
    Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 14.40m2
    Delivery Time: 2 - 3 working days
    60mm 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: £351.40
    £421.68 inc VAT
    Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 11.52m2
    Delivery Time: 2 - 3 working days
    90mm Unilin Safe-R SR/UF Phenolic foam is a superior performance rigid underfloor insulation with enhanced fire performance, consisting of an Euroclass D s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/UF is faced with low emissivity aluminium facings both sides, and has..
    This product is listed in the following categories and systems (click to show).