The Gyproc Duplex Square Edge 12.5mm Plasterboard is a versatile, high-performance plasterboard designed for internal walls and ceilings. Its square edge design ensures a smooth, clean finish for professional plastering. Ideal for both residential and commercial projects, this plasterboard offers excellent strength, and ease of installation, ensuring long-lasting, quality results. Gyproc WallBoard DUPLEX, backed with a vapour controlled membrane, is a high-quality and durable product. This wallboard features an aerated Gypsum centre, secured by bonded paper liners and polyester film. With an Ivory-faced paper and metallised polyester film reverse, it can be used for wall and ceiling linings where vapour control and plasterboard lining are required in one fixing operation. Gyproc WallBoard DUPLEX is a plasterboard that is suitable for dry lining internal surfaces. Reduces the risk of structural problems caused by condensation Uses a vapour control layer to prevent mould caused by condensation Absorbs noise Resists fire to allow more time for evacuation 100% recyclable using our recycling service.