4 Hour Fire Doors
Invicta Durasteel can supply and install a comprehensive range of high
performance steel doorsets for commercial and industrial
The independent certification of Invicta's DD fire doors ensures that the doorset will prevent the spread of fire from one compartment to another, reducing loss of property and ensuring safe emergency escape for personnel.The DD range of hinged fire doors are certified to BS 476: Part 22: 1987 for up to 240 minutes integrity and to SOLAS and IMO standards.
The range covers single and double leaf constructions for internal and external uses. The unique design of the DD fire doors enables great flexibility in manufacture, allowing almost any shape or size to be produced.
DD 240 Slider
The DD 240 Slider fire door's principal applications are as movable sections of a fire protection system. The DD 240 Sliders are certified to BS 476: Part 22: 1987 for up to 240 minutes integrity and are ideally suited to medium and heavy duty industrial situations in power generation and industrial buildings.
One of the main benefits of these sliding doors is that they can be produced to much larger dimensions than conventional hinged doorsets, offering access to large plant and machinery etc, whilst retaining the specified fire performance of the compartment wall. These doorsets can be designed to incorporate a wicket door for personnel access. The unique design of the DD 240 Slider fire door enables manufacture of a variety of configurations for both horizontal and vertical sliding in single and double leaf constructions.
The DD 240 Slider fire door range is supplied with a counterbalance system to ensure a controlled closure. If required, fusible links and electro-magnetic devices can be incorporated in the design to provide fail-safe operation.
DD 240 Trap
The unique design of the DD 240 Trap enables flexibility in manufacture allowing almost any shape or size to be produced. A range of configurations with single and multiple leaf constructions are available. The DD 240 Trap is certified to BS 476: Part 22: 1987 for up to 240 minutes integrity.
The DD 240 Trap can be supplied with standard ironmongery but the flexibility in design and manufacture allows for a range of options. Gas struts can be provided where controlled closure is required. Doors can also be designed to withstand light traffic loads and with a flush face and pivot hinge to avoid trip hazards.
DD 240 Shutter
Our 2 hour Fire Doors and 240 minute Fire Shutters are ideal for incorporation into industrial fire protection systems, particularly where conveyor belts penetrate compartment walls. The design of the DD 240 Shutter allows the manufacture of a variety of configurations, both dropping and rising to close, dependent on the application.
All shutters are supplied with a counterbalance system to ensure a controlled closure. If required, fusible links and electro-magnetic devices can be incorporated in the design to provide failsafe operation.