Knauf Rocksilk RS45 Insulation Slab 70mm (4.32m2)

Knauf Rocksilk RS45 70mm is a versatile insulation slab designed for use in walls, floors, and roof spaces where improved thermal insulation and acoustic performance are required. The mineral wool composition provides consistent density, helping to reduce sound transmission while maintaining energy efficiency within the building envelope.

The 70mm thickness offers a balanced level of insulation for internal partitions and separating floors, making it suitable for applications where both soundproofing and thermal control are important. It is commonly installed within stud wall systems and between joists in floor constructions.

Key Features

• 70mm insulation slab for multi-purpose use
• Designed for acoustic insulation and thermal performance
• Thermal conductivity of 0.035 W/mK
• Euroclass A1 non-combustible fire rating
• Suitable for walls, floors, and roof applications
• Manufactured using ECOSE® Technology
• Standard slab size 1200mm x 600mm

Product Overview

Rocksilk RS45 70mm is suitable for domestic and commercial construction projects requiring dependable insulation within internal building elements. It is widely used for partition insulation and floor systems, where it supports both sound reduction and thermal efficiency while remaining easy to install.