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RockSilk® EWI Slab

RockSilk® EWI Slab

Knauf Insulation Ltd

Rocksilk® EWI Slab are high performance non-combustible Rock Mineral Wool slabs manufactured with a water repellent additive, and are designed for use in external wall insulation systems.

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Application

Rocksilk® EWI Slab are high performance non-combustible Rock Mineral Wool slabs manufactured with a water repellent additive, and are designed for use in external wall insulation systems.

Description

Rocksilk® EWI Slab are high performance non-combustible Rock Mineral Wool slabs manufactured with a water repellent additive, and are designed for use in external wall insulation systems.


The fire resistance of the product removes the need for fire barriers, giving simple, quick and economical insulation for External Wall Insulation systems.


Features and benefits:


  • Excellent thermal performance.
  • Non-combustible Euroclass A1 Reaction to Fire Classification 
  • Excellent sound absorption characteristics 
  • Provides additional acoustic performance to the external wall.
  • Breathable, allowing moisture vapour to pass through the construction removing the risk of condensation.
  • Suitable for use with both silicone and mineral render systems
  • Easy to cut with a large bladed knife or serrated saw.
  • `B` generic BRE Green Guide rating.

General information

Color

Brown

Finish

Unfaced

Water Repellent.

Material

Rock mineral wool

Shape

Rectangle

Size

1200 x 600 mm

Uniclass

Pr_25_57_06_56 Mineral wool slab insulationPrimary
Pr_25_31_48_34 Granular mineral wool insulation
Pr_25_57_06/310 Insulation products generally
Pr_25_57_06_53 Mineral wool insulation

CAWS

J21/23 Mineral wool insulation boards

J31/23 Mineral wool insulation

J41/23 Mineral wool insulation boards

J42/23 Mineral wool insulation boards

B11/240 Thermal insulation

B13/241 Thermal insulation

H11/780 Thermal insulation

J21/425 Mineral wool insulation

H90/400 Thermal insulation

H92/776 Thermal insulation

H92/775 Thermal insulation

J21/230 Insulation

H30/311 Mineral wool thermal insulation

H30/310 Mineral wool thermal insulation

H31/271 Mineral wool thermal insulation

H31/270 Mineral wool thermal insulation

J31/334 Mineral wool insulation

K10/505 Installing mineral wool insulation

J41/425 Mineral wool (MW) insulation

K40/285 Insulation

K45/425 Insulation

H30/40 Thermal insulation

H31/50 Mineral wool thermal insulation

P12/40 Mineral wool rigid batts

J31/26 Thermal insulation

J41/26 Thermal insulation

J42/27 Thermal insulation

M21/20 External wall insulation system . . . . . .

J42/425 Mineral wool (MW) insulation

M21/210 External wall insulation system

P12/360 Mineral wool rigid batts

K10/85 mineral wool insulation

K40/55 Insulation

K45/50 Insulation

Specification data - Mineral wool slab insulation Enhanced data

General requirements

Insulation products generally.

Standard

To BS EN 13162.

Thickness

60–270 mm.

Facing

Unfaced.

Edges

Square.

Thermal conductivity (maximum)

0.036 W/mK.

Compressive strength (minimum)

30 kPa.

Fire performance

EUROCLASS A1 to BS EN 13501-1.

Tensile strength CD

10 kPa.

Thickness tolerance

T5.

Compressive stress (maximum)

CS(10)30.

Water absorption

WS | WL(P).

Water vapour permeability

MU1.

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Recyclability

BRE generic Green Guide rating of B.

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Literature

Rocksilk EWI Slab and Rocksilk EWI Slab Plus Data Sheet

Rocksilk EWI Slab and Rocksilk EWI Slab Plus Data Sheet

Knauf Insulation Solutions Guide

Knauf Insulation Solutions Guide

Rock Mineral Wool with ECOSE® Technology - Safety Data Sheet

Rock Mineral Wool with ECOSE® Technology - Safety Data Sheet

Rock Mineral Wool - BREEAM Helpsheet

Rock Mineral Wool - BREEAM Helpsheet

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