Orientation: Ceiling; Wall; Floor Substrate: FR Plasterboard; Comflor/Tray Deck Category: Structural ; Plumbing Material: Construction joints; Non insulated, non combustible pipe FRR: At least 60; At least 120 Type: Construction Joints; Galvanised Steel Pipes; Copper Pipes Substrate Thickness: Any; 144mm; 116mm System Description: BOSS FireMastic-300 Report Reference: Potters Reference: