Westel Glass Wool Board FSK incorporates a factory-applied aluminum foil facing. This facing enhances its performance, particularly as a vapor barrier, in addition to the inherent thermal and acoustic insulation properties of glass wool. The FSK facing also provides a clean, finished appearance and can contribute to the overall fire resistance of the system. Features of Westel Glass Wool Board FSK: Includes a factory-applied aluminum foil facing Enhances performance as a vapor barrier Contributes to fire resistance Specifications of Westel Glass Wool Board FSK: Board FSK 50mmx1.2m 48Kg/M3 Uses : Thermal insulation in buildings and industrial settings Acoustic insulation in buildings and industrial settings Where a vapor barrier is needed Benefits : Provides thermal insulation Provides acoustic insulation Acts as a vapor barrier Offers a clean, finished appearance Contributes to fire resistance Package includes: 1x Westel Glass Wool Board Fsk