Fire Door Intumescent Strips

This combined fire and smoke seal prevents the spread of smoke prior to the fire seal activating.

Fire door intumescent strips.

Intumescent strips are vital parts of a building s fire safety precautions but are often overlooked. 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. Property owners and developers place the intumescent strip around the frame of doors in their building. This strip is usually placed around door frames.

Intumescent fire door seals should be fitted to the stiles and head of a fire resisting doorset. An intumescent strip is chemically designed to expand when exposed to extreme heat. Intumescent strips are an essential component for fire door installation and are used to seal gaps around doors. For maximum effectiveness they need to be rebated into either the.

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. 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. Fire door seals or fire and smoke seals. 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.

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. Intumescent fire and smoke seals for fire door assemblies. Features low friction brush pile to aid door closing. They side mainly around the edges of fire doors but can be installed around windows and regular doors as well.

An intumescent strip is a chemically designed product that helps to prevent the spread of fire and limit any smoke that travels from one area to another. 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. The intumescent strip sometimes called a seal is just one of the key components in a fire door. 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.