The Boss ITS6224 Concealed Cam Action Door Closer is a high-efficiency concealed slide arm closer designed for projects where performance, compliance, and appearance all matter. Ideal for apartment entrance fire doors, commercial interiors, and other high-spec applications, it delivers a clean, discreet finish while maintaining smooth, controlled closing. Its cam action mechanism reduces opening resistance, making it a strong choice for doors that need to feel lighter and easier to operate in everyday use. The ITS6224 features variable power size EN 2-4, adjustable sweep speed, adjustable latch speed, and a non-handed design for added installation flexibility.
The Boss ITS6224 is suitable for doors up to 1100mm wide and 80kg, with a minimum door thickness of 44mm. It is CE marked and UKCA marked to EN1154, carries Certifire approval CF6141, and has been included in successful fire testing to EN1634. It is suitable for use on timber fire doors, offering 30 minutes fire resistance on 44mm doors and 60 minutes on 54mm doors when used with a suitable intumescent pack. High corrosion resistance also makes it a dependable choice for demanding environments.
A key benefit of the ITS6224 is its compliance with BS8300 / Approved Document M opening force requirements. The closer provides an opening force of less than 30N from 0–30° and less than 22.5N from 30–60°, helping to improve accessibility without compromising controlled closing performance. For architects, contractors, and specifiers looking for a concealed fire door closer that combines aesthetics with proven technical performance, the Boss ITS6224 is an excellent solution.
Key Features
- Concealed cam action slide arm door closer
- Variable power size EN 2-4
- Ideal for apartment entrance fire doors
- Certifire CF6141
- Fire tested to EN1634
- CE marked and UKCA marked to EN1154
- Suitable for timber fire doors
- 44mm door = 30 minute fire resistance
- 54mm door = 60 minute fire resistance with suitable intumescent pack
- Meets BS8300 / Approved Document M
- Adjustable sweep speed and latch speed
- Non-handed design
- High corrosion resistance
- Maximum door width 1100mm
- Maximum door weight 80kg
- Minimum door thickness 44mm
