Smoke seals are designed to accomplish this.
Fire door seals fitting.
Stovax s step by step guide on how to replace the rope on your door seal on a wood burning stove.
Not all fire doors require smoke seals and not all smoke control doors have seals.
This may depend on the age of the door and its location and function.
In addition to fitting effective fire doors it is also important to know how to fit fire and smoke seals to a door this little help page should go some way to explaining what ie required.
Fitting the correct ironmongery forms part of the fire door s test accreditation.
Installation of fire doors is as life critical as the product specification itself and should only be carried out by someone who is competent has been specifically trained to install fire doors and understands their responsibilities in getting it right and ideally as part of a third party certificated process.
Ironmongery for internal fire doors.
The weak point of a fire door is the gap between the door and the frame and this is where the presence of an intumescent strip is.
The job of a fire door is to prevent the spread of fire from room to room and the length of time the door will contain the fire is given in the fire rating of the door.
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Retro fitting of smoke seals.
An fd30 door will resist fire for 30 minutes and an fd60 door will resist fire for 60 minutes.
In commercial buildings in the united states fire rated doors require special gaskets to prevent smoke from getting through the opening during a fire.
For more information download our fire door seals factsheet.
Be aware that fire doors are available in 30 60 and 120 minute ratings and seals must be suitably matched for the doors rating.
Fire doors are very effective at retaining fire for a period of time and smoke seals fill their weak point which is the space between the door and frame to ensure an airtight seal fire and smoke will travel through any gap to the air beyond so it is important that fire doors have an effective seal at all times.
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.
Not all seals are safe to fit to fire doors.
Doors made prior to 1988 were designed to reduce rather than preclude the passage of smoke air.
Some might even be.