Rp53 a self adhesive intumescent seal for upgrading door perimeter gaps where the clearance exceeds the maximum 3mm.
Intumescent fire door seals.
If the passage of cold smoke needs to be stopped as well you need to fit seals with an additional brush seal.
Our rebated or surface mounted intumescent fire door seals resist fire for 30 or 60 minutes suitable.
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.
01223 832851 info intumescentseals co uk login register.
These seals come in various colours so as to match the colour of the door you have hiding the seals as best possible.
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.
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.
Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listing.
Standard intumescent strip and smoke seal.
Intumescent seals or gaskets are not required on fire rated steel doors.
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 products are typically used for a smoke and fire barrier on wood doors and are activated by heat.
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.
They side mainly around the edges of fire doors but can be installed around windows and regular doors as well.
