British Gypsum Collated Drywall Screws are the quick and secure way of fixing plasterboard linings to lower gauge metal or timber frames using an automatic screw gun. Plasterboard linings must be fixed securely to achieve optimum fire and acoustic performance. 25mm British Gypsum Collated Drywall Screws allow safe and easy fixing of single layer 12.5mm and 15mm boards to 0.8mm maximum gauge metal framing. Supplied in strips for faster fixing, these corrosion resistant screws give you a quick and simple way to maintain system integrity.