This intumescent fire seal is an essential product to maintain the fire rating of a fire door.
Minimum order of 25no lengths. Priced as single lengths.
Read moreFirestop Intumescent Seal for Fire Rated Doors
This intumescent fire seal is designed for fire rated doors to close the gap between the door and frame. When exposed to high heat, it expands to help slow the spread of flames, supporting compartmentation and protecting escape routes.
It is made from intercalated graphite and is available in white or brown finishes, with width options of 10mm, 15mm, and 20mm.
Key Product Features:
- Fire only intumescent seal
- 2100mm length
- Sizes available:
10mm x 4mm
15mm x 4mm
20mm x 4mm
- Certifire Approved no. CF846
- Tested to BS 476
- Suitable for 30 and 60 minute fire door applications
- Graphite intumescent core
- Rapid multi-directional expansion under heat
- Self-adhesive backing for straightforward installation
- White or brown finish options
- MPNs: FS104, FS103, FS116, FS115, FS130, FS131
Sold in packs of 25no lengths.
Intumescent Fire Door Seal Compliance and Installation Guidance
These intumescent fire seals are Certifire Approved (CF846) and tested to BS 476 Part 22 for fire resistance performance.
Selecting the correct seal size is essential to maintain the fire rating of the door. The following is a guide from the manufacturer for typical use:
- 10mm for 30 minute fire doors
- 15mm for 30 or 60 minute fire doors
- 20mm for 60 minute fire doors
Where two seals are required for a 60 minute fire door, they should be positioned so that ironmongery such as hinges, locks, or latches does not fully interrupt either seal.
Always follow the fire door manufacturer’s instructions to confirm the correct seal size, positioning, and overall compatibility.
Fire Door Seal Options and Compatible Solutions
A full range of fire door seals is available to suit different door types and performance requirements. This includes perimeter seals such as the STS 1009, along with combined fire and smoke seals featuring brush or double fin designs for smoke control.
Explore our wider door seal range to find compatible options for your installation.