Gyproc® Duraline Board is Gypsum based product for interior Wall applications used in High Impact Resistant systems to provide more durable surface for Walls & Partitions. 13mm Gyproc® Duraline Board’s gypsum core incorporates glass fibers which are encased & firmly bonded to strong mustard yellow coloured paper liners. Product Application Designed for walls exposed to Heavy material & equipment movement, Human interactions, subjected to bangs, wear & tear, accidental impacts & crowd pressure.