Can intumescent strips be surface mounted?
Surface Mounted Intumescent Strip – now supplied on a roll in innovative handy boxes for easy storage and quick application. No specialist tools required – just a knife!
What is the difference between intumescent strips and smoke seals?
A smoke seal is placed in the same places as an intumescent strip, but it is always visible. While the intumescent strip blocks off the fire itself, the smoke seal is designed to only block smoke-protecting you from smoke inhalation.
Where a smoke seal is installed can this be considered to be an effective fire barrier?
The intumescent seals are fitted to the top and sides of a door and in the event of a fire the intumescent material inside will expand and seal the gaps between the door and frame. This provides an effective barricade so flames cannot pass through.
Do fire doors need intumescent strips on the bottom?
Intumescent strips should be fitted into the fire doors frame or lining, where possible. The gap at the bottom of the door (commonly referred to as ‘the threshold’) is usually around 10mm* for non-smoke conditions BUT 4mm when smoke seals are required.
Should fire doors have intumescent strips?
It is generally accepted that to provide the required level of fire resistance, all fire doors should be reinforced with either intumescent strips, cold smoke seals or a combination of both.
Where do intumescent strips go?
Intumescent strips are generally fitted into the door frame but are sometimes into grooves in the door itself. If you don’t have grooves in your fire door or frame, you can use a router to make a groove suitable for the intumescent strip.
Where do you put intumescent strips?
How do you fit intumescent fire and smoke seals?
How To Fit An Intumescent Strip
- Clean frame with damp cloth, removing dirt and grease.
- Measure the height of the fire door, noting the position of the lock – and cut the smoke seal strip to fit accordingly.
- Before using any adhesive, open and close the door with the seal in place.
Do residential fire doors need intumescent strips?
Should there be a gap under a fire door?
Gaps between fire doors and the door frame should never be more than 4mm or less than 2mm. It’s recommended to aim for a 3mm gap to ensure adequate room for the intumescent strips to activate in the event of a fire, and for the smoke seal strips (if installed) to not get damaged by the opening and closing of the door.
Are there any intumescent fire and smoke seals?
Surface mounted intumescent door strips are supplied in single and double door kits in black, white or brown. Panel pins are included to fix the brush at… Sealmaster manufactures Intumescent fire and smoke seals which are compatible with all types of fire resisting door assemblies.
What kind of seal does a smoke detector need?
Surface mounted intumescent fire & smoke seals available in white, brown, red, black and wood veneer finishes and a alternative plain seal without brush seal to allow smoke detectors to be activated. No routing is necessary. This seal can be fitted to door frames in minutes.
Is there a gap in the intumescent seal?
No gap is necessary on hinge side seal touching the door stop, press the intumescent seal into position. The seal can be easily cut with a sharp knife to fit around lock areas. Two 1100mm lengths are supplied for fitting down the closing stile
How big is a smoke and draught seal?
Seal Carrier 14 Smoke & Draught seals seals are primarily designed for use with new purpose made windows and doors and particularly suited for fitting all… PYROSTRIP 100EC or 500 intumescent seals are nominally 2mm thick and are produced to the necessary width to suit the required fire performance.