Rockwool is a breathable insulation board designed for external application. Ideal for a number of different wall types and easy to install and work with, consider this premium product for your installation.
Available in 100mm and 120mm thicknesses, Rockwool is a tried and tested way to insulate, and has been used for decades. These boards are specifically designed to survive in exposed environments and under the toughest conditions.
Our mineral wool insulation by Rockwool is a resilient, hard wearing insulating material. It is perfect for a wide range of wall applications. The Rockwool Duo Slab has two layers, designed to withstand the most severe climate conditions. Rockwool requires minimal fixings because of its unique design – although we recommend at least 5.5 fixings per m2. Mineral wool has the added advantage of being an ‘open vapour’ insulating material. It is therefore more breathable than other insulation systems and also has fire retardant properties. Rockwool ventilated facades are suitable for a wide range of building types, including domestic properties and multi-storey commercial buildings.
Composition: mineral wool
Thermal Conductivity: 0.035W/(m2K)
Reaction to Fire: Class A1
Size of boards: 1200mm by 600mm
Thickness available: 100mm, 120mm
Coverage in pack: 1.44m2
Use netting on scaffolding as well as protective rainproof covering to reduce exposure to elements such as rain and excess sunlight.
Rockwool insulation slabs should be installed in accordance with the manufacturer’s instructions – these includes guidelines on design and other aspects of application. We recommend the boards are fixed to the substrate with mortar/adhesive and mechanical fixings to ensure maximum adhesion.
Because of the greater weight of mineral wool we advise that you use the EWI-225 Premium MW Adhesive for the application rather than a standard adhesive, which is used on lighter insulating materials. Apply a light, watery based coat of the adhesive to your prepared surface initially. When it is dry, apply the basecoat, then sink in the fibre glass mesh.
Use an industrial hoover to clean-up the mineral wool fibres.
The Rockwool comes in packs of 2 sheets in 600mmx1200mm slabs
Shelf life: please see the manufacturer’s date of expiry. Keep in a dry place, in the original undamaged packaging, avoid excess heat or UV light exposure.
Wear eye protection, gloves and a mask. Take extra caution when using cutting equipment.
The product complies with BS EN 13162, ISO 14001:2004, LPCB 022e
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