Rockwool Rainscreen Duo Slab

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Enhance the thermal and acoustic performance and efficiency of your ventilated cladding systems and sealed systems with Rockwool Rainscreen Duo Slab Stone Wool Insulation. Designed to meet the rigorous demands of modern construction, these high-quality products provide superior thermal and acoustic insulation behind rainscreen cladding systems, eliminating heat losses and everyday auditory disturbances.

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What Is Rockwool Duo Slab? 

The Rockwool Rainscreen Duo Slab is an innovative dual-density insulation solution engineered to insulate ventilated cladding systems and sealed systems such as curtain walling. 

It boasts a resilient outer surface and a factory-applied water repelling agent, effectively protecting against rain infiltration during construction. 

In terms of its thermal conductivity, the product has a declared thermal conductivity 0.034 w mk/0.035 w mk, depending on the thickness used. 

Let's explore some of its key features in a bit more depth below. 

Dual Density Technology

Rockwool Rainscreen Duo Slab is manufactured using cutting-edge Dual Density technology. 

Each slab is engineered with a higher density outer layer, offering a robust and sturdy foundation for the secure fixing of cladding elements. 

Meanwhile, the underside of the slab (a resilient inner face) demonstrates flexible density, accommodating any irregularities in the substrate. 

This unique construction ensures a seamless installation process, even on uneven surfaces, thus ensuring continuous thermal performance.

Enhanced Rain Resistance

Rockwool Rainscreen Duo Slab incorporates a factory-applied water-repelling agent in combination with the higher-density outer surface. 

This powerful combination provides improved resistance to rain ingress during the construction phase, safeguarding your structure against potential damage and ensuring long-lasting performance.

What's more, the random fibre orientation of glass mineral wool (especially when knitted together as adjacent slabs) acts as a further inhibitor against water transmission, presenting a labyrinth through which water will struggle to infiltrate. 

Unrivalled Noise Reduction

Creating a peaceful and comfortable environment is essential for any building. 

Rockwool Rainscreen Duo Slab delivers outstanding noise reduction capabilities, as demonstrated by independent in-situ laboratory testing. 

With typical systems achieving results as high as Rw 62 dB, you can effectively minimise airborne noise transfer and provide optimal acoustic comfort for occupants.

Frequently Asked Rockwool Rainscreen Duo Slab Questions

How Does Dual Density Technology Benefit The Installation Process?

Dual Density technology ensures that the outer surface of each slab has a higher density, providing a firm surface for fixing cladding elements. 

The resilient underside accommodates unevenness in the substrate, making installation quick and efficient.

Does Rockwool Rainscreen Duo Slab Offer Rain Resistance?

Yes, the higher-density and robust outer surface, along with the factory-applied water-repelling agent, provides improved resistance to rain ingress during construction, protecting your building from moisture-related issues.

What Is Low GWP and Zero ODP? 

Low GWP and zero ozone depletion are two important concepts in environmental science and sustainability.

Low GWP stands for "low global warming potential" and refers to chemicals that have a minimal impact on the Earth's atmosphere and contribute less to climate change. 

These chemicals are often used as alternatives to high global warming potential substances, such as hydrofluorocarbons (HFCs), which have a much higher impact on the environment and contribute significantly to climate change. 

By using low GWP chemicals, we can reduce our impact on the environment and help slow down climate change.

Zero ozone depletion, on the other hand, refers to chemicals that do not contribute to the depletion of the Earth's ozone layer. The ozone layer is a protective layer in the Earth's atmosphere that filters out harmful UV rays from the sun. 

Certain chemicals, such as chlorofluorocarbons (CFCs), can break down the ozone layer, leading to increased UV radiation and harmful effects on the environment. Zero ozone depletion chemicals are used as alternatives to CFCs and other ozone-depleting substances to help protect the ozone layer and prevent its depletion.

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