RockSilk®EWI Slab
Application

External wall insulation.

Description

RockSilk® EWI Slabs 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:

  • Good thermal performance.
  • Non-combustible A1 Euroclass Reaction to Fire classification.
  • Good 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.

Application:

External wall insulation.

General information

Features

The slabs offer a solid and robust supporting substrate for the render and no fire stops are required

Material

Rock mineral wool with water repellent additive

Shape

Rectangular

Size

1200 x 600 mm

Uniclass 2015

Pr_25_57_06_56 Mineral wool slab insulationPrimary

CAWS

M21/20 External wall insulation system

M21/210 External wall insulation system

Specification data - Mineral wool slab insulation

Product Reference

RockSilk®EWI Slab

Standard

BS EN 13162

Thickness

60–270 mm.

Thermal conductivity (maximum)

0.036 W/mK.

Compressive strength (minimum)

30 kPa.

Fire performance

EUROCLASS A1 to BS EN 13501-1

Standard product features

Features:

The slabs offer a solid and robust supporting substrate for the render and no fire stops are required.

Material:

Rock mineral wool with water repellent additive.

Shape:

Rectangular.

Size:

1200 x 600 mm.

Recyclability:

BRE generic Green Guide rating of B.

Country of origin:

UK.

Environmental information

Recyclability

BRE generic Green Guide rating of B

Literature
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