A flexible wrap produced for lowering the spread of flame and smoke emission inside a fire of plastic pipes or any structure carrying plastic coated cables. Huge access panels are strategically put all through the duct method, enabling complete cleaning and inspection. These panels will have to meet up with https://fire-resisting-ductwork-i56788.digitollblog.com/36678026/the-2-minute-rule-for-grease-tight-extract-ductwork