RocksilkRocksilk® Flat Roof Slab

RocksilkRocksilk® Flat Roof Slab

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Knauf Insulation Ltd

A high strength, dense, rigid, non-combustible Rock Mineral Wool slab, specifically designed for use in flat roofing applications.

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Application

Flat roof with concrete, timber or metal decks.

Description

RockSilk® Krimpact Flat Roof Slabs are high performance, non-combustible Rock mineral wool slabs with high compressive strength, suitable for use on all types of roof deck and can be overlaid either with a single ply membrane which is mechanically fixed, or with a waterproof membrane consisting of either a fully bonded built-up bitumen roofing system or mastic asphalt.

The slabs contain a special additive to ensure they are water repellent.

Features and benefits:

  • Good thermal performance.
  • Non-combustible A1 Euroclass Reaction to Fire classification.
  • Absorbent nature of the product reduces the drumming effect of rainwater.
  • Manufactured using specialist Knauf Insulation Krimpact Technology for high levels of compressive strength and durability.
  • The nature of Rock mineral wool allows slabs to knit together at joints.
  • Dimensionally stable.
  • Compatible with a wide range of single ply membranes.

`B`generic BRE Green Guide rating.

Application:

Flat roof with concrete, timber or metal decks.

General information

Finish

Unfaced

Material

Rock mineral wool

Shape

Rectangular

Size

1200 x 1000 mm

Uniclass 2015

Pr_25_57_06_56 Mineral wool slab insulationPrimary

CAWS

J21/10 Warm deck roof coating

J21/425 Mineral wool warm deck roof insulation

J41/10 Built-up reinforced bitumen membrane warm deck roof covering

J41/425 Mineral wool (MW) warm deck roof insulation

J42/10 Warm deck roof covering

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Specification data - Mineral wool slab insulation

Product Reference

Rocksilk® Flat Roof Slab

Standard

BS EN 13162

Thickness

100 mm

120 mm

145 mm

180 mm

Facing

Unfaced

Thermal conductivity (maximum)

0.038 W/mK

Compressive strength (minimum)

60 kPa

Fire performance

EUROCLASS A1 to BS EN 13501-1

Standard product features

Features:

Absorbent nature of the product reduces the drumming effect of rainwater.

Finish:

Unfaced.

Material:

Rock mineral wool.

Shape:

Rectangular.

Size:

1200 x 1000 mm.

Recyclability:

BRE generic Green Guide rating of C.

Country of origin:

UK.

Environmental information

Recyclability

BRE generic Green Guide rating of C

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