Gyproc Multiboard – this Class B (formerley Class O) one hour firecheck drywall board is available in 6mm, 10mm and 12.5mm 8 x 4 sizes.
Gyproc Multiboard – this Class B (formerley Class O) one hour firecheck drywall board is available in 6mm, 10mm and 12.5mm 8 x 4 sizes.