Knauf Rocksilk Rainscreen OSCB25 Plus - All Thicknesses

• Proven Fire Resistance: Part of tested systems offering up to 120 minutes of fire resistance for both integrity and insulation (EI120).
• Standard Fixing Bracket: Comes with a fixing bracket included as standard.
• Intumescent Strip: Features a reactive intumescent strip that expands in the event of a fire to fill the residual cavity.
• Horizontal Applications: Suitable for horizontal use with a cladding outer leaf.

Rainscreen Facade Insulation: Knauf Rocksilk Rainscreen OSCB25 is specifically designed for rainscreen facade insulation, serving as an effective cavity barrier to provide robust fire protection. It helps prevent the spread of flames and smoke through the facade, enhancing building safety. Additionally, it offers thermal insulation, aiding in reducing heat loss and improving energy efficiency. The slab also provides good acoustic insulation, minimising noise transmission, and its water-resistant properties protect the building from moisture ingress.

How does Knauf Rocksilk Rainscreen OSCB25 Plus work?

This insulation board works by providing a thermal barrier that helps regulate the building's temperature, reducing heat loss in winter and heat gain in summer. Its dense composition also helps absorb sound and improve acoustic comfort, while its non-combustible nature enhances fire safety.

Where can Knauf Rocksilk Rainscreen OSCB25 Plus be used?

Knauf Rocksilk Rainscreen OSCB25 Plus is specifically designed for use in external wall systems, including cavity walls and rainscreen cladding systems. It is suitable for both new build and refurbishment projects in a variety of applications, such as residential buildings, commercial properties, and public sector projects like schools and hospitals.

What are the acoustic performance benefits of Knauf Rocksilk Rainscreen OSCB25 Plus?

The insulation board provides effective sound absorption, reducing external noise and improving indoor acoustic comfort.

Is Knauf Rocksilk Rainscreen OSCB25 Plus fire resistant?

Yes, Rocksilk Rainscreen OSCB25 is classified as non-combustible and meets rigorous fire safety standards. It does not contribute to the spread of fire, significantly enhancing the fire safety of the building.