50mm Unilin Safe-R SR/ST Soffit Board

The 50mm Unilin Safe-R SR/ST Soffit Insulation Board delivers excellent thermal performance and fire safety for structural ceiling applications across commercial and residential properties. This premium phenolic insulation board incorporates low emissivity foil facings for enhanced efficiency.

The 50mm SR/ST Soffit Board prioritises performance above all else. If you're looking for a product that combines superior performance with a decorative finish, the 56mm Safe-R Soffit Plus is an excellent alternative. This laminated option provides outstanding thermal properties alongside low-maintenance aesthetics and enhanced security features, with a surface ready for your chosen decorative treatment.

Product Details

Brand: Unilin®

Model: 50mm Unilin Safe-R SR/ST

Thickness: 50mm

Length: 2400mm

Width: 1200mm

Pack Quantity: 6

Board Coverage: 2.88m2

Pack Coverage: 17.28m2

Pack Weight: 30kg

Dimensions: 2,400mm x 1,200mm x 126mm

Compressive Strength: >120 (kPa)

Material: Phenolic resins

Profile: Square Edge

R-Value: 2.35m2K/W

Thermal Conductivity: 0.021W/mK

Fire Classification: Euroclass C s1 d0

Profile: Straight

Inner facing: Foil facing

Outer facing: Foil facing

Type: Phenolic Insulation

Shipping method: Articulated Vehicle ǀ Courier

Applications: Structural Ceiling ǀ Soffit

BBA Certified: Yes (no. 10/4803)

Vapour Control Layer: Yes, build in

ETA Notification: Yes

Features: Accepts Decorative Finish

Benefits

1. Fire Insulation classification C-s1, d0
2. Foil Faced Finish
3. Reduced Thermal Bridging
4. Lower Lambda Value for Improved UValues

About

1. This 50mm Safe-R Soffit product offers flexible installation methods: direct adhesion to concrete slabs, battening systems, or specialist fixing arrangements all deliver a seamless finish. The lightweight construction combines strength with ease of handling, making installation straightforward and efficient.
2. The 50mm SR/ST incorporates a foil facer that can be sealed using dedicated foil tape (contact the Unilin Technical team for detailed installation advice).
3. Applying 50mm Safe-R Soffit to soffit areas in new builds or refurbishment projects achieves outstanding U-Values with minimal board thickness. The product achieves an exceptionally low thermal conductivity of 0.020 W/mK and carries a Euroclass C fire rating.

Handling, Cutting, and Storage:

1. Unilin Soffit insulation requires storage on a clean, flat, elevated surface and must be kept under protective covering.
2. Polythene wrapping alone cannot provide adequate protection from weather exposure.
3. Take care to prevent damage to the insulation during storage and on site throughout construction.
4. Always use appropriate personal protective equipment (PPE) when working with insulation board.

Certification and Standards:

1. BBA Certification Number: 10/4803.
2. Compliance with BS EN ISO 9001 Quality Management System.
3. Adherence to BS EN ISO 14001 Environmental Management System.
4. Conformance with BS EN 13166 standards.

Info

Browse our full Unilin range and refine by thickness or coverage using the left-hand filters. For advice on product suitability for your project or to request a bulk discount quotation, contact us on +4402038839057, email sales@insulationbee or use Live Chat - Lowest UK Insulation board Prices.