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Knauf  |  SKU: 48487415185755

Knauf Rocksilk Soffit Linerboard Extra - 1200mm x 600mm - All Thicknesses


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Things you should know about this product!

  • This product is sold by the pack
  • This product is available in the following thicknesses: 130mm, 160mm, 185mm and 220mm

Description

Knauf Rocksilk® Soffit Linerboard Extra is a rock mineral wool slab with an impact-resistant cementitious facing board attached on the top, designed to insulate structural soffits in semi-exposed environments such as open-sided car parks. Rocksilk Soffit Linerboard Extra is non-combustible, achieving the highest Euroclass A1 fire reaction classification, and is produced using our unique bio-based binder, ECOSE® Technology.

Specifications

  • Length
    1200mm
  • Width
    600mm
  • Material type
    Rock mineral wool
  • Thermal conductivity
    0.034 W/mK
  • Fire rating
    Euroclass A1

Key Features

  • Impact Resistance: Cementitious facing board ideal for semi-exposed environments.
  • Thermal Performance Upgrade: Enhances the thermal efficiency of existing floors without decreasing floor height.
  • Easy Installation: Can be fitted without requiring access to areas above the floor.
  • Superior Acoustic Properties: Made from mineral wool, offering exceptional sound absorption and reduction compared to other mainstream insulants, effectively minimising sound transfer between storeys.
  • Customisable Fixings: Available with optional fixings that match the colour of Rocksilk® Soffit Linerboard Standard and Extra.

Where to use

Structural Soffit Floor: Knauf Rocksilk Linerboard Extra is well-suited for structural soffit floors due to its excellent thermal insulation properties, which help reduce heat loss and improve energy efficiency. It also offers effective acoustic insulation, reducing noise transmission between floors. The non-combustible nature of the linerboard enhances fire safety, making it a reliable choice for structural soffit floor applications.

Frequently asked questions

  • What is the Knauf Rocksilk Soffit Linerboard Extra Slab made of? - The Knauf Rocksilk Soffit Linerboard Extra Slab is made of high-performance insulation with a 6mm cementitious board on top. This combination provides excellent thermal and acoustic insulation, along with added durability and fire resistance.
  • What is Knauf Rocksilk Linerboard Extra used for? - Knauf Rocksilk Linerboard Extra is used to insulate structural soffits in semi-exposed environments, such as open-sided car parks. It provides thermal and acoustic insulation while also being robust and impact-resistant.
  • What are the key features of Knauf Rocksilk Linerboard Extra? - The key features of Knauf Rocksilk Linerboard Extra include its non-combustible nature with a Euroclass A1 reaction to fire classification, impact-resistant cementitious facing board, and excellent thermal and acoustic performance. It is also manufactured using ECOSE® Technology, which ensures it is more environmentally friendly by reducing dust and VOC emissions.
  • How is Knauf Rocksilk Linerboard Extra installed? - Knauf Rocksilk Linerboard Extra can be installed without the need to access areas above the floor, making it convenient for retrofit projects. The installation process involves fixing the board to the soffit using appropriate mechanical fixings.
  • Can Knauf Rocksilk Linerboard Extra improve acoustic performance? - Yes, Knauf Rocksilk Linerboard Extra provides excellent sound absorption characteristics, making it effective in reducing sound transfer between floors and enhancing acoustic comfort.
  • What

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Compare with similar products

Compare below to see what sets these products apart:

A table comparing the facets of 2 products
Facet
Knauf Rocksilk Soffit Linerboard Extra - 1200mm x 600mm - All Thicknesses
View details
Knauf Rocksilk Soffit Linerboard Standard - 1200mm x 600mm - All Thicknesses
View details
Price
Price
Length
Length
1200mm
1200mm
Width
Width
600mm
600mm
Edge
Edge
n/a
n/a
Fire rating
Fire rating
Euroclass A1
Euroclass A1
Compressive strength
Compressive strength
n/a
n/a
Thermal conductivity
Thermal conductivity
0.034 W/mK
0.034 W/mK
Material type
Material type
Rock mineral wool
Rock mineral wool
Knauf

Knauf Rocksilk Soffit Linerboard Extra - 1200mm x 600mm - All Thicknesses

Length

1200mm

Width

600mm

Edge

N/A

Fire rating

Euroclass A1

Compressive strength

N/A

Density

N/A

Thermal conductivity

0.034 W/mK

Material type

Rock mineral wool
View product