Technical Data Sheet - version 2025
Y-Wall is a calcium silicate fibre cement sheathing board
- steel or timber frame construction
- offering Class A1 fire performance
- up to 120 minutes integrity and insulation
- It is moisture, frost, and heat resistant
- thermal conductivity ≤0.23 W/mK
- high mechanical strength
Suitable for external exposure up to 12 months if joints are sealed
Installation.
It must be fixed with specified screws in the installation pattern, following strict edge distances and joint sealing requirements. Installation should be by competent personnel with appropriate water protection and compliance to building regulations.
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