Rockwool RW Rainscreen Duo is a high-performance stone wool slab designed for ventilated rainscreen systems in external wall applications. With a thickness of 170mm and dimensions of 1200 x 600mm, it delivers excellent thermal insulation whilst maintaining optimal moisture management characteristics. The product combines superior fire performance with vapour control properties essential for building envelope integrity.
Key Features
- Lambda value: 0.040 W/mK for consistent thermal performance
- European classification A1 fire rating for enhanced safety
- Open structure allows moisture vapour transmission and drainage
- Density optimised for rainscreen cavity ventilation systems
- Dimensions: 170mm thickness x 1200 x 600mm per slab