Code: 12008

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Rocksilk Krimpact Flat Roof Slab

Product Description

Description

A consistent density range of rock mineral wool slabs, manufactured using new Krimpact technology, for use in flat roof applications where loading and impact resistance is required. Krimpact Flat Roof Slabs have high thermal, acoustic and fire resistant properties with the added benefit of high compressive strength.

Standards

The mineral wool of Rocksilk Krimpact Flat Roof Slab is non-combustible inorganic rock wool, defined as mineral wool in BS 3533, manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000.

Performance

Thermal Performance
Rocksilk Krimpact Flat Roof Slab has a thermal conductivity of 0.038 W/mK. In a typical metal deck construction the standard thickness of 140mm Krimpact Flat Roof Slab will achieve a U-Value of 0.25 W/m²K. For project specific calculations please contact our Technical Advisory Centre team on 01744 76 66 66

Fire Performance
Rocksilk Krimpact Flat Roof Slab is classified as Euroclass A1 ENISO 13501-1. The rock mineral wool in Rocksilk Krimpact Flat Roof Slab products has an extremely high melting point of over 1000ºC. In the event of fire they will emit negligible quantities of smoke and fumes. The heat emission from the products is insignificant.

Permanence
The rock mineral wool in Rocksilk Krimpact Flat Roof Slab products is non-hygroscopic and is treated to ensure its water repellency. It is rot proof, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria. The mineral wool of Rocksilk Krimpact Flat Roof Slab is odourless and non-hygroscopic.

Compression Resistance
Rocksilk Krimpact Flat Roof Slab has a compressive strength of 60KPa.

Application

For thermal insulation in flat roofs, Rocksilk Krimpact Flat Roof Slab is a consistent density rock slab with good compression performance which has been specially designed to offer good thermal performance, and excellent fire and acoustic resistance. Suitable for use under all kinds of single ply membrane and with hot applied bitumen systems, the consistency of density of Krimpact flat roof slab provides excellent long term performance under compression loading. Rocksilk Krimpact Flat Roof Slab has the highest A1 fire classification.

Installation

For more information please refer to the Knauf Insulation, Solutions for Buildings binder section: Flat Roofs: Non Residential.

Handling & Storage

All Rocksilk Krimpact Flat Roof Slab products are supplied on non-returnable wooden pallets wrapped in a polythene shroud for temporary protection during transit and on site. For longer term outside storage (stock or site) the pallets should be stored under a secure waterproof covering.