- 60 minutes fire-resistant
- Suitable for rachel ceilings and metal stud ceilings.
- Application: thick(er) ceiling tiles (e.g. 2 x 12.5 mm plasterboard).
- 45% more welding space than a traditional square central box.
- 12 combi spouts 16 and 19 mm.
- Equipped with conical tube inlet with tube snapper.
- Screw slots between the pipe entries.
- Screw cams for bottom mounting.
- Clamps: a 3rd hand for rachels 22 mm.
- Suitable for cable entry in combination with KST (art. no. AT1062).
- Associated lids: art. no. AT5010 and art. no. AT5011
CH75R-BW Centraaldoos hol plafond Ø 16/19 mm
- Simple, dry, clean and efficient way of sealing hole Ø 25 mm fire resistant.
- Classification EI90/EW90.
- Applicable in a fire resistant wall of 30, 60 and 90 minutes.
- Applicable in combination with wire/cable in pipe, (data) cable and connection cable up to Ø 22 mm.
- Applicable during the installation process and afterwards.
Brandwerende kabeldoorvoer LS90
- for F30-F90 or EI30-EI90 fire-protection walls
- attachment using tried-and-tested FX⁴ metal plate screws
- with integrated sealing inserts
- ensures smoke-tight room separation (seals against cold smoke)
- unlimited building material shelf life
Brandwerende doorvoer DS 90 / 120 mm
- for F30-F90 or EI30-EI90 fire-protection walls
- for wall entries and feed-throughs
- attachment using tried-and-tested FX⁴ metal plate screws
- with integrated sealing inserts
- ensures smoke-tight room separation (seals against cold smoke)
- unlimited building material shelf life
Brandwerende doorvoer DS 90 / 74 mm
- Smokeproof :Sa and S200.
- Soundproofed.
- Maximum 90 minutes fire resistant in an insulated wall.
- Maximum 60 minutes fire resistant in a non-insulated wall.
- Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
- Halogen-free.
- Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
- Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
- No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
- Distance to pipe inlet: 29 mm
UHW50-BW / RD Hollewanddoos brandwerend rookdicht
- Maximum 60 minutes fire resistant in an insulated wall.
- Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
- Halogen-free.
- Equipped with separate combi spout.
- Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
- Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
- No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
DUO-UHW50-BW Duo-Hollewanddoos
- Maximum 90 minutes fire resistant in an insulated wall.
- Maximum 60 minutes fire resistant in a non-insulated wall.
- Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
- Halogen-free.
- Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
- Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
- No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
- Distance to pipe inlet: 29 mm
UHW50-BW Hollewanddoos brandwerend

Fire Protection

Fire-safe installation starts with the right solution

A fire cannot always be prevented. What you can influence, however, is how a building performs when it matters most. The right fire-resistant measures limit damage, slow the spread of fire and help structural elements retain their function.


In practice, fire safety depends not only on structural measures, but also on the way electrical installations are designed and installed. Penetration seals, flush-mounted boxes and cable installations are an essential part of fire compartmentation. If insufficient attention is paid to these elements, the fire resistance of walls and ceilings may be compromised.

With ATTEMA’s fire-resistant solutions, you choose certainty. Our products are developed to maintain the fire resistance of building structures and comply with the applicable standards and test criteria. These include fire-resistant flush-mounted boxes and system solutions that are easy to install and fit seamlessly into everyday installation practice.
 
This means you install not only in accordance with the standards, but above all with professional craftsmanship.
  • NEW: Universal Mounting Plate for Detection Systems

    The Universal Mounting Plate for Detection Systems (UMD, type AT1570) is a completely new solution developed for installing detection systems such as fire detectors, smoke detectors, PIR sensors, remote indicators and dome cameras in suspended ceilings. Where traditional installation methods are often time-consuming, dusty and unsafe, the UMD introduces an integrated, enclosed and universally applicable system that significantly improves both installation quality and safety.
  • Legislation and regulations

    A fire compartment is an area enclosed by separating structures with a specified level of fire resistance. Its purpose is to prevent fire and smoke from spreading further through the building. A building may be divided into several fire compartments and sub-compartments, also known as smoke compartments. In addition, protected sub-compartments may be created within fire compartments and sub-compartments to provide an even higher level of protection against smoke and fire.

    Examples of protected sub-compartments include:
    • Rooms for non-supervised, bed-bound patients, up to 50 m²
    • Rooms for supervised, bed-bound patients, up to 500 m²
    • Prison cells 
    • Accommodation units, such as hotel rooms 

    Fire resistance and WBDBO 

    A separating structure, such as a wall or ceiling, has a specified fire resistance. The fire resistance of a building element is expressed in minutes and indicates how long it can withstand prescribed fire conditions without losing its function. The resistance to fire penetration and fire spread, known in the Netherlands as WBDBO, and the resistance to smoke passage, known as WRD, between two rooms or fire compartments is the shortest time required for fire or smoke to spread from one space to another. Article 2.94 of the Dutch Building Decree states that the resistance to fire penetration from a sub-compartment to another space within the same fire compartment, determined in accordance with NEN 6068, must be at least 20 minutes. In this case, only integrity against flames is considered. The WBDBO from a protected sub-compartment to another space within the same fire compartment must be at least 30 minutes. Additional requirements may also apply to smoke passage from a sub-compartment, or protected sub-compartment, to another space. The separating structures of a fire compartment or sub-compartment must therefore provide sufficient resistance to fire penetration, fire spread and smoke passage.
CH75R-BW Ceiling Junctionbox hollow ceiling Ø 16/19 mm
Article number: AT1006
  • 60 minutes fire-resistant
  • Suitable for rachel ceilings and metal stud ceilings.
  • Application: thick(er) ceiling tiles (e.g. 2 x 12.5 mm plasterboard).
  • 45% more welding space than a traditional square central box.
  • 12 combi spouts 16 and 19 mm.
  • Equipped with conical tube inlet with tube snapper.
  • Screw slots between the pipe entries.
  • Screw cams for bottom mounting.
  • Clamps: a 3rd hand for rachels 22 mm.
  • Suitable for cable entry in combination with KST (art. no. AT1062).
  • Associated lids: art. no. AT5010 and art. no. AT5011
HWD50L-BW Hollow-Wall Junction box, Fire-resistant, Ø 16/19 mm
Article number: AT1068
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Fitted with combination nozzles 16/19 mm.
  • In combination with sealing cap HWD50L (art. no. AT1065) suitable for airtight applications.
  • Standard suitable for sheet thickness 25 mm.
  • With bottom outlet.
  • Applicable for 'open' walls.
  • Sideways fastening by means of HSB-support possible (art. no. AT1052).
UHW50-BW Hollow-Wall Juntion box, fire-resistant, Ø 16/19 mm
Article number: AT1069
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
  • Distance to pipe inlet: 29 mm
DUO-UHW50-BW Hollow-Wall Double-gang Junction box, fire resistant, Ø 16/19 mm
Article number: AT1075
  • Maximum 60 minutes fire resistant in an insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with separate combi spout.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
UHW50-BW / RD Hollow-Wall Juntion box, fire-resistant smoke-tight, Ø 16/19 mm
Article number: AT1115
  • Smokeproof :Sa and S200.
  • Soundproofed.
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
  • Distance to pipe inlet: 29 mm
UHW50P-BW Hollow-Wall Junction box, Perilex, Fire-resistant, Ø 16/19 mm
Article number: AT1121
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with a detachable combi spout.
  • Equipped with 2 conical pipe inlets with integrated lock for both 16 and 19 mm pipe, one of which is closed by a break-out port.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
Brandwerende kabeldoorvoer LS90
Article number: AT1521
  • Simple, dry, clean and efficient way of sealing hole Ø 25 mm fire resistant.
  • Classification EI90/EW90.
  • Applicable in a fire resistant wall of 30, 60 and 90 minutes.
  • Applicable in combination with wire/cable in pipe, (data) cable and connection cable up to Ø 22 mm.
  • Applicable during the installation process and afterwards.
Brandwerende buisdoorvoer RS90
Article number: AT1522
  • Simple, dry, clean and efficient way of sealing hole Ø 25 mm fire resistant.
  • Classification EI90/EW90.
  • Applicable in a fire resistant wall of 30, 60 and 90 minutes.
  • Applicable in combination with wire/cable in pipe, (data) cable and connection cable up to Ø 22 mm.
  • Applicable during the installation process and afterwards.
Box sealing system DS 90 / 74 mm
Article number: 9459-03NL
  • for F30-F90 or EI30-EI90 fire-protection walls
  • for wall entries and feed-throughs
  • attachment using tried-and-tested FX⁴ metal plate screws
  • with integrated sealing inserts
  • ensures smoke-tight room separation (seals against cold smoke)
  • unlimited building material shelf life
Box sealing system DS 90 / 120 mm
Article number: 9459-04NL
  • for F30-F90 or EI30-EI90 fire-protection walls
  • attachment using tried-and-tested FX⁴ metal plate screws
  • with integrated sealing inserts
  • ensures smoke-tight room separation (seals against cold smoke)
  • unlimited building material shelf life
Stickers brandwerende doorvoer
Article number: AT1525
  • Identification sticker for logbook and project administration fire-resistant transits.
  • To be installed next to the fire-resistant penetrations.
  • F25 LSZH (Low Smoke Zero Halogen) trunking system

    The F25 LSZH (Low Smoke Zero Halogen) trunking system has been specially designed for the fire-safe routing of data cables. It does not propagate flames, produces very little smoke and is halogen-free. This makes the system essential in buildings with large numbers of people, such as theatres, airports and hospitals, where fire safety is critical.
  • View test reports

    View test reports on fire resistance and smoke permeability, as well as other certificates, in our media library.

Fire-resistant central junction boxes

CH75R-BW Ceiling Junctionbox hollow ceiling Ø 16/19 mm
Article number: AT1006
  • 60 minutes fire-resistant
  • Suitable for rachel ceilings and metal stud ceilings.
  • Application: thick(er) ceiling tiles (e.g. 2 x 12.5 mm plasterboard).
  • 45% more welding space than a traditional square central box.
  • 12 combi spouts 16 and 19 mm.
  • Equipped with conical tube inlet with tube snapper.
  • Screw slots between the pipe entries.
  • Screw cams for bottom mounting.
  • Clamps: a 3rd hand for rachels 22 mm.
  • Suitable for cable entry in combination with KST (art. no. AT1062).
  • Associated lids: art. no. AT5010 and art. no. AT5011
CW75-SA3-BW, serieschakeling met aarddraad, brandwerend
Article number: AT8456-3
  • 60 minutes fire-resistant
  • Applicable in hollow ceiling constructions.
  • Suitable for rachel ceilings and metal stud ceilings.
CW75-WT1-BW, wisselschakeling 2-voudig, brandwerend
Article number: AT8459-1
  • 60 minutes fire-resistant
  • Applicable in hollow ceiling constructions.
  • Suitable for rachel ceilings and metal stud ceilings.
CW75-DE6-BW, dimmer enkelpolige schakeling, brandwerend
Article number: AT8454-6
  • 60 minutes fire-resistant
  • Applicable in hollow ceiling constructions.
  • Suitable for rachel ceilings and metal stud ceilings.
CW75-2E2-BW, enkelpolige schakeling, brandwerend
Article number: AT8453-2
  • 60 minutes fire-resistant
  • Applicable in hollow ceiling constructions.
  • Suitable for rachel ceilings and metal stud ceilings.

Fire-resistant hollow-wall boxes

UHW50-BW Hollow-Wall Juntion box, fire-resistant, Ø 16/19 mm
Article number: AT1069
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
  • Distance to pipe inlet: 29 mm
UHW50-BW / RD Hollow-Wall Juntion box, fire-resistant smoke-tight, Ø 16/19 mm
Article number: AT1115
  • Smokeproof :Sa and S200.
  • Soundproofed.
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
  • Distance to pipe inlet: 29 mm
UHW50P-BW Hollow-Wall Junction box, Perilex, Fire-resistant, Ø 16/19 mm
Article number: AT1121
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with a detachable combi spout.
  • Equipped with 2 conical pipe inlets with integrated lock for both 16 and 19 mm pipe, one of which is closed by a break-out port.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.
HWD50L-BW Hollow-Wall Junction box, Fire-resistant, Ø 16/19 mm
Article number: AT1068
  • Maximum 90 minutes fire resistant in an insulated wall.
  • Maximum 60 minutes fire resistant in a non-insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Fitted with combination nozzles 16/19 mm.
  • In combination with sealing cap HWD50L (art. no. AT1065) suitable for airtight applications.
  • Standard suitable for sheet thickness 25 mm.
  • With bottom outlet.
  • Applicable for 'open' walls.
  • Sideways fastening by means of HSB-support possible (art. no. AT1052).
DUO-UHW50-BW Hollow-Wall Double-gang Junction box, fire resistant, Ø 16/19 mm
Article number: AT1075
  • Maximum 60 minutes fire resistant in an insulated wall.
  • Tested in a non-load-bearing wall construction with 2 x 12,5 mm plasterboard panels on both sides.
  • Halogen-free.
  • Equipped with separate combi spout.
  • Equipped with 2 conical tube inlets with integrated locking for both 16 and 19 mm tube.
  • Firm mounting of the box in the wall thanks to the metal screw plates with 3-fold pitch.
  • No gap formation between switchgear and wall due to very thin, solid support edge of the metal fasteners.

Fire-resistant penetration sealing

Brandwerende kabeldoorvoer LS90
Article number: AT1521
  • Simple, dry, clean and efficient way of sealing hole Ø 25 mm fire resistant.
  • Classification EI90/EW90.
  • Applicable in a fire resistant wall of 30, 60 and 90 minutes.
  • Applicable in combination with wire/cable in pipe, (data) cable and connection cable up to Ø 22 mm.
  • Applicable during the installation process and afterwards.
Brandwerende buisdoorvoer RS90
Article number: AT1522
  • Simple, dry, clean and efficient way of sealing hole Ø 25 mm fire resistant.
  • Classification EI90/EW90.
  • Applicable in a fire resistant wall of 30, 60 and 90 minutes.
  • Applicable in combination with wire/cable in pipe, (data) cable and connection cable up to Ø 22 mm.
  • Applicable during the installation process and afterwards.
Stickers brandwerende doorvoer
Article number: AT1525
  • Identification sticker for logbook and project administration fire-resistant transits.
  • To be installed next to the fire-resistant penetrations.
Box sealing system DS 90 / 74 mm
Article number: 9459-03NL
  • for F30-F90 or EI30-EI90 fire-protection walls
  • for wall entries and feed-throughs
  • attachment using tried-and-tested FX⁴ metal plate screws
  • with integrated sealing inserts
  • ensures smoke-tight room separation (seals against cold smoke)
  • unlimited building material shelf life
Box sealing system DS 90 / 120 mm
Article number: 9459-04NL
  • for F30-F90 or EI30-EI90 fire-protection walls
  • attachment using tried-and-tested FX⁴ metal plate screws
  • with integrated sealing inserts
  • ensures smoke-tight room separation (seals against cold smoke)
  • unlimited building material shelf life

Fire-resistant CLT flush-mounted boxes

UHW50-CLT BW CLT-junction box, fire-resistant
Article number: AT1496
  • Fire resistance tested in a standard metal stud wall.
  • Suitable for solid wooden walls.
  • Also applicable in hollow walls with a minimum plate thickness of 30 mm.
  • Rock-solid mounting in wooden walls, thanks to unique wedge construction.
UHW50-CLT BW / RD CLT-junction box, fire-resistant, smoke-resistant
Article number: AT1497
  • Fire resistance tested in a standard metal stud wall.
  • Suitable for solid wooden walls.
  • Also applicable in hollow walls with a minimum plate thickness of 30 mm.
  • Rock-solid mounting in wooden walls, thanks to unique wedge construction.
UHW50P-CLT BW CLT-junction box, Perilex, fire-resistant
Article number: AT1499
  • Fire resistance tested in a standard metal stud wall.
  • Suitable for solid wooden walls.
  • Also applicable in hollow walls with a minimum plate thickness of 30 mm.
  • Rock-solid mounting in wooden walls, thanks to unique wedge construction.

Do you have a question?

Submit your question using the contact form below.

Contact
Fields marked with asterisks (*) are required.
Privacy*

Other solutions

Discover our other solutions here.

100% Pluggable installation
Fire protection
Connectivity
Distribution boards
Cable management
Lighting and speaker housings
Sound and air-tightness
Radiation protection