Gyproc Moisture Resistant Square edge 12.5mm Plasterboard is a high-quality, reliable material ideal for use in areas with high humidity levels. It measures 1.2m in length and 0.6m in width, providing ample coverage for your construction needs. This plasterboard is specifically designed to resist moisture, preventing potential damage or mould growth in damp environments. Its square edge design allows for easy and precise installation, ensuring a clean, professional finish every time.