Fire Door Intumescent Strips

An intumescent strip is chemically designed to expand when exposed to extreme heat.

Fire door intumescent strips.

Our intumescent strips expand when heated to fill those spaces which help prevent the spread of fire smoke and hot gases through a building by containing them in a specific area. Once a fire breaks out in a room the heat causes the strip to expand and seal the gap around the frame in order to contain the fire giving you enough time to escape and call. Intumescent fire and smoke seals for fire door assemblies. 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.

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 strip is usually placed around door frames. Stormguard intumescent fire rated seal door strip set self adhesive certifire approved 5 x 1050mm piece kit 15mm fire smoke white 4 6 out of 5 stars 8 8 19 8. Intumescent fire door seals should be fitted to the stiles and head of a fire resisting doorset.

Property owners and developers place the intumescent strip around the frame of doors in their building. For maximum effectiveness they need to be rebated into either the. Fire door seals or fire and smoke seals. Intumescent strips are an essential component for fire door installation and are used to seal gaps around doors.

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. The intumescent strip sometimes called a seal is just one of the key components in a fire door. What is the intumescent strip. Running around the edge where the door meets the doorframe it helps to trap the smoke in the area preventing it from spreading as well as assisting in keeping flames from spreading beyond the door.

Intumescent strips are vital parts of a building s fire safety precautions but are often overlooked. Features low friction brush pile to aid door closing. Can be surface mounted as soon as the temperature in the vicinity of the strips exceeds 200 c usually about 10 15 minutes after the start of a fire the seal swells and seals the gaps between door and. This combined fire and smoke seal prevents the spread of smoke prior to the fire seal activating.