If the passage of cold smoke needs to be stopped as well you need to fit seals with an additional brush seal.
Intumescent fire door seals.
Our rebated or surface mounted intumescent fire door seals resist fire for 30 or 60 minutes suitable.
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They side mainly around the edges of fire doors but can be installed around windows and regular doors as well.
Intumescent fire door seals swell if there is a fire and stop the spread of fire through the gaps at the top and sides of fire doors.
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 strips or fire door strips are fitted to the door and when exposed to extreme heat expand to close any edges or gaps that may leave the fire door vulnerable to fire and smoke spread intumescent door strips are usually designed to provide up to 30 or 60 minutes fire resistance and help to contain the fire in one area and prevent it spreading.
A regular fire and smoke seal will be fitted to a fire door.
Intumescent strips are vital parts of a building s fire safety precautions but are often overlooked.
Available in three anodized aluminum finishes and is custom cut to size.
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.
This will prevent both fire and smoke from seeping through the sides or bottom of the door.
These seals come in various colours so as to match the colour of the door you have hiding the seals as best possible.
Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listing.
Intumescent products are typically used for a smoke and fire barrier on wood doors and are activated by heat.
Intumescent seals or gaskets are not required on fire rated steel doors.
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.
