Rock Mineral Wool - Knauf Insulation Rocksilk® EWI Slab

Knauf Insulation Rocksilk® EWI Slab

Application

External wall insulation

Material

Rock Mineral Wool

Description

Rocksilk® EWI Slab is a rock mineral wool slabs designed for use in external wall insulation systems. 

Slabs can be either adhered and mechanically fixed or just mechanically fixed to the substrate. The reaction to fire performance of the product removes the need for fire barriers, giving simple, quick and economical insulation for External Wall Insulation systems.

They are non-combustible with the best possible Euroclass A1 reaction to fire classification. 

Benefits

  • No fire breaks required.
  • Rocksilk® EWI Slab Plus is available as a denser, compressively stronger slab than Rocksilk® EWI Slab.
  • Suitable for use with both silicone and mineral render systems providing design flexibility.
  • Suitable for applications where higher load-bearing is required.
  • Manufactured from mineral wool which provides the best levels of sound absorption and reduction compared to other mainstream insulants.

For historical versions of product documentation, or documents relating to any discontinued products, please contact us with your requirements at [email protected].

Product

Specifications

Thickness (mm) Length (mm) Width (mm) Thermal Conductivity (W/mK) R-value (m²K/W) Euroclass Reaction to Fire Classification Quantity per pack Packs per pallet
60 1200 600 0.036 1.70 A1 40 40
90 1200 600 0.036 2.50 A1 24 24
100 1200 600 0.036 2.75 A1 24 24
120 1200 600 0.036 3.30 A1 20 20
150 1200 600 0.036 4.15 A1 16 16
170 1200 600 0.036 4.70 A1 14 14
200 1200 600 0.036 5.55 A1 12 12
230 1200 600 0.036 6.40 A1 10 10
250 1200 600 0.036 6.95 A1 10 10
270 1200 600 0.036 7.50 A1 10 10

Certification & Memberships

Euroclass A1 Reaction to Fire Classification Euroclass A1 Reaction to Fire Classification
CE Marking CE Marking
Green Guide Rating B Green Guide Rating B
EN 15804 EN 15804
EUCEB EUCEB
Made in Britain Made in Britain

Downloads

Filename
Date
Language
File Size
File Type
Rocksilk® EWI Slab - Product Datasheet
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January 2024

English

0.9 MB

pdf

Rock Mineral Wool - Safety Data Sheet
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October 2023

English

0.3 MB

pdf

Rock Mineral Wool - BREEAM Helpsheet
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August 2021

English

0.12 MB

pdf

Knauf Insulation Solutions Guide
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May 2024

English

33.7 MB

pdf

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