TENMAT Vent Duct Wraps are an intumescent solution providing 2 hours fire protection to rectangular PVC ventilation ducting when penetrating fire rated walls or floors. The Vent Duct Wraps are ready to install and the 4-piece design provides a quick and easy solution for solid concrete and masonry constructions. It is also suitable for installation in plasterboard partitions up to 132mm thick, when fitted within a galvanised steel outer sleeve.
The intumescent material will crush and seal off the vent duct in a fire to prevent the passage of fire and hot gases. The Vent Duct Wraps are supplied in various sizes to suit all common plastic vent duct sizes.