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ROCKWOOL RAINSCREEN DUO SLAB® is a stone wool insulation product specifically developed for use within ventilated cladding systems, as well as sealed systems such as curtain walling. Manufactured using Dual Density technology, the outer surface of each slab features a distinctly higher density than the underside. This provides a firm and robust surface for the application of fixings, while the resilient underside can accommodate unevenness in the substrate. Once installed, the higher density outer surface works in combination with a factory-applied water repelling agent to give improved resistance to rain ingress during construction. The product can be easily fitted around brackets and other awkward details, and when tightly butted, adjacent slabs effectively ‘knit’ together to provide a continuous insulating layer, reducing heat losses that would otherwise be caused by gaps.
Non-combustible Euroclass A1
Independently tested acoustic benefits
Water repellent yet breathable
Stone wool is dimensionally stable and has been proven to provide the same performance for more than 55 years after installation.
Can be recycled and reprocessed, reducing landfill costs, with zero ODP and GWP.
Pack Coverage: 4.32m²
Quantity per pack: 6
Thermal conductivity: 0.034 W/mK (<90mm) / 0.035 W/mK (≥90mm)
Water vapour resistance: 5.9 MNs/gm
RAINSCREEN DUO SLAB is suitable for use on the following construction types:
Steel frame, timber frame or masonry walls in conjunction with a cladding system;
Steel frame or timber frame with a masonry outer leaf