Most intumescent strips are available in either 30 or 60 minute rating.
Intumescent fire smoke seal.
Smoke seals and intumescent strips can indeed work well together.
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 combined fire and smoke seal prevents the spread of smoke prior to the fire seal activating.
There are two types of intumescent strip fire only and fire smoke seals.
They are very similar but fire and smoke seals feature a brush strip or fin which also helps prevent the passage of smoke as well as the progress of fire.
In the event of a fire the seal expands intumesces to many times its original volume and seals the gap around the door to provide a safe and effective barrier against the passage of fire smoke.
They do this by using the same intumescent foam that a fire seal has but with an additional low friction brush strip which serves to prevent the passage of smoke.
Fire and smoke seals.
A regular fire and smoke seal will be fitted to a fire door.
For maximum effectiveness they need to be rebated into either the.
Rp53 a self adhesive intumescent seal for upgrading door perimeter gaps where the clearance exceeds the maximum 3mm.
Features low friction brush pile to aid door closing.
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 will prevent both fire and smoke from seeping through the sides or bottom of the door.
An intumescent graphite based fire seal contained within a pvc sleeve for fitting into a rebate to either the leaves or the frame of a door.
Through years of experience in manufacturing fire door seals we have perfected our product range.
Intumescent fire seals expand in the event of a fire and seal off the gap between the door and the frame preventing the spread of fire and smoke.
We manufacture precision f ire and smoke seals to impeccable standards to ensure the highest quality products for any building.
Our fire door seals cover a range of uses many are intumescent meaning they will greatly expand upon exceeding a certain temperature to fully.
Certain variations of intumescent strips include smoke seals as part of their makeup.