Fixing low/medium density boards to drywall track and timber.
IMPORTANT APPLICATION ADVICE: On rare occasions black phosphate screw coatings can react with some render types, which can damage the coating resulting in corrosion and staining. To reduce the risk of this happening it is recommended to seal the drywall screw heads with a PVA bonding solution before render is applied. Fixing plasterboard to metal studs up to 1mm.