Intumescent Fire Door Seals

Standard intumescent strip and smoke seal.
Intumescent fire door seals. A door bottom intumescent fire and hot smoke seal that is designed to salvage non compliant fire doors where clearances exceed 10mm under fire doors. This zero 3056fs 3557fs fully mortised for double active doors specialty aluminum and silicone mortised meeting stile utilizes intumet intumescent material which prevents the spreading of fire and effectively seals the gap between a pair of doors from the infiltration of fire smoke sound light drafts and insects. This will prevent both fire and smoke from seeping through the sides or bottom of the door. A regular fire and smoke seal will be fitted to a fire door.
Intumescent seals or gaskets are not required on fire rated steel doors. Rp53 a self adhesive intumescent seal for upgrading door perimeter gaps where the clearance exceeds the maximum 3mm. The association provides technical advice and guidance on all matters relating to fire door seals smoke seals glazing seals and all penetration gap. Intumescent seals uk specialists in passive fire protection products fire door seals fire glazing seals ironmongery protection structural fire seals.
Intumescent products are typically used for a smoke and fire barrier on wood doors and are activated by heat. The intumescent fire seals association ifsa is the trade association dedicated to the science and application of intumescent based sealing materials for the passive fire protection industry. Available in three anodized aluminum finishes and is custom cut to size.