Thermal-acoustic insulation EWI SLAB
rock woolrigid panelexterior

thermal-acoustic insulation
thermal-acoustic insulation
thermal-acoustic insulation
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Characteristics

Type
thermal-acoustic
Material
rock wool
Format
rigid panel
Location
exterior
Use
wall
Technical characteristics
incombustible, water-repellent
Fire Class
Class A1
Thermal conductivity

0.036 W/(m.K)

Thickness

Min.: 50 mm (1.97 in)

Max.: 250 mm (9.84 in)

Description

The exterior insulation. Effective external wall insulation can considerably enhance the thermal and acoustic performance of a building. The ROCKWOOL EWI Dual Density Slab is a stone wool insulation which has been specifically developed for use in external wall insulation systems. EWI Dual Density Slab is made using ROCKWOOL-patented dual density technology, the top layer of each slab has a distinctly higher density than the remainder of the product. This provides a firm and robust surface for the application of render or applying fixings, whilst the underside is softer to accommodate unevenness in the substrate. As a tried and tested insulation product, EWI providers in Europe have been using ROCKWOOL in their systems for over 40 years. EWI systems incorporating ROCKWOOL slabs can add significant mass to the building envelope, preventing the transfer of noise through absorption. The fibres in the tightly butted slabs knit together, significantly reducing heat loss that is caused by gaps between slabs. For insulation thicknesses greater than 250mm, ROCKWOOL EWI Dual Density Slabs can be installed in two layers. Accreditations: Euroclass A1 non-combustible Rated Euroclass A1 non-combustible, the insulation will not burn. The slabs are extremely durable and resistant to adverse weather during installation. The open-cell structure of ROCKWOOL stone wool makes it breathable, allowing water vapour to pass through but preventing water ingress with its water-repellent fibres. EWI Dual Density Slabs boast excellent thermal performance. ROCKWOOL EWI Dual Density Slabs reduce the transfer of sound and vibrations through external wall systems.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.