Gyroc + Knauf Standard Wallboards, selected sizes and widths available. Vapour check, moisture resistant, fire rated, and sound block boards. High Performance Insulated Boards, Phenolic, PIR, EPS or XPS InsulationThermal Laminate Plasterboards from Celotex, Gyroc, Kingspan and Knauf. Celotex PL4000, Gyproc Termailine, Knauf Thermal Laminates, and Kingspan K17 and K18.