Frequently Asked Questions About Access Systems
What does KADRA do?
KADRA designs, integrates and maintains automation and access management systems for commercial, industrial, medical and residential buildings. The portfolio includes automatic doors, medical doors, parking systems, access control, industrial gates, smoke extraction solutions and window automation.
What types of clients work with KADRA?
KADRA develops solutions for hospitals, airports, shopping malls, office buildings, industrial units, logistics centers, hotels, stadiums, public institutions and residential developments. The solutions are adapted to the requirements of each project and each industry.
What services does KADRA offer besides providing equipment?
KADRA offers technical consultancy, design, installation, commissioning, service and maintenance for access systems. Services include preventive technical audits, maintenance subscriptions and rapid interventions nationwide.
Can KADRA modernize existing access systems?
Yes. KADRA can evaluate and upgrade existing systems, including equipment installed by other suppliers. Before the intervention, a technical audit is carried out to determine the right solution.
Read more about KADRA on the dedicated page.
What is a medical door and how does it differ from a standard door?
A medical door is designed for spaces where hygiene, infection control, and safety are essential. Compared to a standard door, it has surfaces that are easy to disinfect, components resistant to intensive use, and can provide sealing or special protection, depending on the application.
Where are medical doors used?
Medical doors are used in hospitals, clinics, operating rooms, ICUs, laboratories, cleanrooms, and imaging centers. The type of door is selected based on the requirements of each space and the level of control needed.
Why is the tightness of a medical door important?
Tightness limits the transfer of air, particles, and contaminants between rooms. This is essential in operating rooms, laboratories, and other spaces where controlled hygiene and pressure conditions must be maintained.
Can medical doors be automated?
Yes. Medical doors can be equipped with automatic operating systems and contactless opening, using sensors, buttons, or integrated controls. This reduces contact with surfaces and helps maintain hygiene protocols.
Learn more about medical doors on the dedicated page.
What are pedestrian automatic doors?
Pedestrian automatic doors are access systems that open and close automatically when they detect an approaching person. They are used in commercial, medical, administrative, hospitality, and industrial buildings to facilitate movement and contactless access.
What types of pedestrian automatic doors are there?
The most commonly used types are sliding, swing, revolving, break-out, curved, folding, and air curtain doors. The choice depends on available space, traffic volume, safety requirements, and building design.
How do I choose the right type of automatic door for my building?
The choice depends on the width of the access point, traffic intensity, evacuation requirements, and the specifics of the activity. For example, sliding doors are frequently used in buildings with heavy traffic, while revolving doors are preferred for controlling the flow of people and energy efficiency.
Are pedestrian automatic doors safe for users?
Yes. Modern pedestrian automatic doors are equipped with detection sensors and safety systems that prevent closing in the presence of a person or obstacle. Their operation is governed by the European standard EN 16005.
Discover more about pedestrian automatic doors on the dedicated page.
How do I choose the right type of turnstile for access control?
The choice of turnstile depends on the required security level, flow of people, available space, and accessibility requirements. Compact single-arm models may be suitable for offices or reception areas, while high-barrier turnstiles can be used for stadiums, industrial facilities, or sites requiring strict access control.
Where are turnstiles most commonly used?
Turnstiles are used in office buildings, factories, public institutions, stadiums, train stations, sports centers, and tourist attractions. They organize the flow of people and allow access only after validation of a card, ticket, or other identification method.
What is the difference between a single-arm and a dual-arm turnstile?
The single-arm turnstile takes up less space and is suitable for indoor areas or compact access points. The dual-arm turnstile offers additional stability and can be configured with a passage on one or both sides.
Can turnstiles be integrated with an existing access control system?
Yes. Turnstiles can be connected to card readers, biometric systems, QR codes, ticketing systems, or other identification solutions. The integrated electronic board allows connection to the existing access control infrastructure, depending on technical compatibility.
More information about turnstiles on the dedicated page.
When is it recommended to install a high-speed door?
A high-speed door is recommended in industrial halls, warehouses, and logistics centers with frequent traffic of forklifts, equipment, or vehicles. Fast opening and closing helps streamline operations and limits air exchange between different areas of the building.
What is the difference between a high-speed door and a sectional industrial door?
A high-speed door is designed for frequent opening and closing cycles and intensive use. A sectional door is mainly used to close and secure access, being opened less often during ongoing operations.
What types of buildings use high-speed doors?
High-speed doors are used in production halls, logistics warehouses, distribution centers, the food industry, cold storage rooms, and other spaces where access speed impacts operational efficiency.
How does a high-speed door help reduce energy consumption?
Thanks to its short opening and closing time, the high-speed door reduces heat loss in winter and cool air loss in summer. This helps maintain indoor temperature and can reduce the building’s energy consumption.
Read more about high-speed doors on the dedicated page.
What is a smoke exhaust system?
A smoke exhaust system removes smoke and hot gases generated during a fire to maintain visibility on evacuation routes and facilitate intervention by firefighting teams. The system can include smoke hatches, automated windows, smoke-venting skylights, and control panels.
When is a smoke exhaust system mandatory?
The need for a smoke exhaust system is determined by the building’s purpose, surface area, and configuration, in accordance with applicable fire safety regulations. Requirements are defined during the design and approval stage of construction.
Why is a smoke exhaust system important in a building?
A smoke exhaust system reduces the buildup of smoke and hot gases during a fire, maintains visibility on evacuation routes, and facilitates intervention by rescue teams. In many types of buildings, it represents an essential component of the fire safety strategy.
What is the difference between a ventilation system and a smoke exhaust system?
Ventilation ensures air exchange under normal conditions of building use. Smoke exhaust is a safety system that operates only in the event of a fire, removing smoke and hot gases to protect occupants and limit the spread of fire.
Learn more about fire protection, smoke exhaust, and evacuation on the dedicated page.
What is a window automation system?
A window automation system allows windows to open and close automatically through electric motors and a control system. It can be used for daily ventilation, temperature control, and smoke exhaust in the event of a fire.
Why should I automate a building's windows?
Window automation allows ventilation control without manual intervention and helps maintain a comfortable indoor climate. In addition, it can reduce energy consumption by using natural ventilation when outdoor conditions allow.
Can the same windows be used for both ventilation and smoke exhaust?
Yes. Depending on the chosen configuration, automated windows can provide both daily ventilation and smoke and hot gas exhaust in the event of a fire. The system is designed according to the building’s requirements and applicable regulations.
Can existing windows be automated?
Yes. In many cases, existing windows can be fitted with motors and control systems without replacing the window frames. Compatibility depends on the window’s size, weight, and type.
Read more about window automation and ventilation on the dedicated page.
What is a parking system and how does it work?
A parking system controls vehicle access, monitors space occupancy, and manages parking fee collection. Depending on the configuration, it may include automatic barriers, LPR cameras, payment terminals, and management software.
Where are parking systems used?
Parking systems are used in office buildings, shopping malls, hospitals, airports, hotels, residential complexes and public parking lots. The solution adapts depending on the number of spaces and the type of users.
What is an LPR system and what advantages does it offer?
A LPR (License Plate Recognition) system automatically identifies vehicles by reading their license plate number. This allows access without cards or tickets and reduces the time it takes to enter and exit the parking lot.
Can I manage a parking lot without staff at the entrance and exit?
Yes. Modern parking systems allow for complete automation of access through automatic barriers, LPR cameras and payment terminals. Users can enter, pay and exit without the intervention of an operator.
Discover more about parking systems on the dedicated page.
What type of skylight is recommended for an industrial hall?
The choice of skylight depends on the building’s surface area, natural light requirements, roof type, and ventilation or smoke exhaust requirements. Polycarbonate skylights are frequently used for industrial halls and logistics centers, sized according to the specifics of each project.
Why is polycarbonate used for skylights?
Polycarbonate is a lightweight material, resistant to impact, with very good natural light transmission properties. These characteristics make it suitable for skylights installed on industrial halls, warehouses, factories, and other large buildings.
How do skylights help reduce energy consumption?
Skylights allow the use of natural light throughout the day and reduce the need for artificial lighting in industrial and commercial spaces. Depending on the building’s configuration, they can help lower energy consumption and improve indoor comfort.
Can skylights be integrated with smoke exhaust systems?
Yes. Skylights can be equipped with automatic opening systems for smoke and hot gas exhaust in the event of a fire, fulfilling both the natural lighting function and the smoke exhaust function.
Read more about skylights and polycarbonate on the dedicated page.
What type of skylight is recommended for an industrial hall?
The choice of skylight depends on the building’s surface area, natural light requirements, roof type, and ventilation or smoke exhaust requirements. Polycarbonate skylights are frequently used for industrial halls and logistics centers, sized according to the specifics of each project.
Why is polycarbonate used for skylights?
Polycarbonate is a lightweight material, resistant to impact, with very good natural light transmission properties. These characteristics make it suitable for skylights installed on industrial halls, warehouses, factories, and other large buildings.
How do skylights help reduce energy consumption?
Skylights allow the use of natural light throughout the day and reduce the need for artificial lighting in industrial and commercial spaces. Depending on the building’s configuration, they can help lower energy consumption and improve indoor comfort.
Can skylights be integrated with smoke exhaust systems?
Yes. Skylights can be equipped with automatic opening systems for smoke and hot gas exhaust in the event of a fire, fulfilling both the natural lighting function and the smoke exhaust function.
Read more about skylights and polycarbonate on the dedicated page.
What is the coverage area for KADRA's service and maintenance interventions?
We ensure complete nationwide coverage, carrying out repairs, periodic inspections, and technical audits throughout Romania through our mobile technical teams.
To guarantee a short response time and fast arrival on site, we have technicians strategically positioned across the country’s main regions, ensuring prompt interventions in major urban centers and surrounding areas:
Bucharest & Ilfov – rapid coverage for the Capital, Muntenia, and the south of the country;
Cluj-Napoca – rapid interventions for Transylvania and the northwest region;
Timișoara – prompt technical assistance for Banat and the west;
Iași – dedicated technical support for the Moldova region;
Brașov – technical presence for the central region;
Constanța and Craiova – prompt interventions for the Dobrogea and Oltenia regions.
Each KADRA mobile team travels in fully equipped vans with a standard stock of original spare parts, allowing automatic doors to be diagnosed and brought back into operation on the first visit, anywhere in the country.
How often should automatic doors be maintained?
The frequency is determined according to the manufacturer’s instructions, traffic, and usage conditions. For most applications, KADRA recommends at least one annual inspection, with six-month checks for high-traffic spaces. A technical assessment may indicate a more frequent schedule.
What is the difference between maintenance and service intervention?
Preventive maintenance involves planned checks and adjustments. Corrective intervention resolves an issue that has already occurred, through diagnosis, repairs, and equipment testing. The two services complement each other throughout the door’s service life.
Do you service automatic doors installed by other suppliers?
Yes, KADRA Service offers multi-brand interventions, including for doors installed by other suppliers. The solution is determined after identifying the model and conducting a technical assessment, taking into account compatibility and parts availability.
More information about automatic door service on the dedicated page.
How often should hospital doors be maintained?
Frequency is determined by manufacturer instructions, door type, and traffic. KADRA recommends at least one annual revision and checks every six months in heavily used areas, such as the ER, operating room, or main corridors. Technical evaluation may indicate a more frequent schedule.
What is the difference between maintenance and service intervention?
Preventive maintenance involves planned checks and adjustments. Corrective intervention resolves an already existing malfunction through diagnostics, repairs, and door testing. The two services complement each other throughout the equipment’s operational life.
Do you service medical doors installed by other suppliers?
Yes, KADRA Service offers multi-brand interventions for automatic and manual medical doors, based on technical evaluation. The solution depends on the model, documentation, compatibility and availability of parts, and the door’s special functions.
What does a hospital door service contract include?
The offer specifies the covered equipment, number of revisions, reporting, response and intervention conditions, and included services for parts or labor. Planning is adapted to medical circuits, intensity of use, and working intervals agreed upon with the unit.
Discover more about hospital door service on the dedicated page.
How often should industrial doors be maintained?
The frequency is determined according to the manufacturer’s instructions, number of cycles, environment, and operating regime. A door used across multiple shifts may require more frequent inspections than one with low traffic. The plan follows the calendar intervals and usage thresholds specified for the model.
What is the difference between maintenance and service intervention?
Preventive maintenance involves planned checks and adjustments. Corrective intervention resolves an issue that has already occurred, through diagnosis, repairs, and testing. The two services complement each other throughout the service life of the door or gate.
Do you service industrial doors and gates installed by other suppliers?
Yes, KADRA Service offers multi-brand interventions, based on technical assessment. The solution depends on the model, documentation, compatibility, and parts availability. Identifying the equipment and its configuration precedes determining the scope of work.
What does a service contract for industrial doors include?
The quote specifies the equipment covered, the number of inspections, reporting, response and intervention conditions, and the services included for parts or labor. Planning takes into account the usage regime and the work intervals agreed with the client.
Learn more about industrial door service on the dedicated page.
How often should a parking system be maintained?
The frequency is determined according to manufacturers’ instructions, number of cycles, traffic, and environmental conditions. Barriers, printers, and cash modules may have different requirements. The maintenance plan is adapted to the entire configuration, and consumables and cash collection are managed according to operating procedures.
What is the difference between maintenance and service intervention?
Preventive maintenance includes planned checks and adjustments to limit wear and the risk of jamming. Corrective intervention resolves an issue that has already occurred, through diagnosis, repairs, and testing. Periodic inspections and available support in case of a breakdown complement each other.
Do you service parking systems installed by other suppliers?
Yes, KADRA Service can take over equipment installed by other suppliers, after an assessment. Their condition, documentation, parts compatibility, and the possibility of software access are checked. The solution and the limits of the service are specified in the quote.
What does a service contract for parking systems include?
The contract defines the equipment covered, inspections, checks, reporting, and response and intervention conditions. It also specifies remote services, if available, as well as the conditions for parts, consumables, and software updates. The content is adapted to the location and mode of operation.
More information about parking system service on the dedicated page.
How often should speed gates be maintained?
The frequency is determined according to the manufacturer’s instructions, number of cycles, and usage conditions. High-traffic lanes may require more frequent checks than those used occasionally.
What is checked during a speed gate inspection?
The operating mechanism, panels and fixings, sensors, connections, and signaling are checked. Depending on the model, unit coordination, passage authorization, and emergency opening are tested.
Do you also service speed gates installed by other suppliers?
Yes, KADRA Service offers multi-brand interventions. The work is determined after identifying the equipment and conducting a technical assessment, depending on documentation and the availability of compatible parts.
Why doesn't the gate open if the reader accepts the card?
Card validation and panel opening are different steps. The issue may occur during command transmission, at the access controller, or in the equipment itself. The diagnosis follows the entire authorization path.
Discover more about speed gate service on the dedicated page.
How often should window automation systems be checked?
The frequency is determined according to the manufacturer’s instructions, usage, and operating conditions. Windows frequently used for ventilation and those integrated into smoke exhaust may have different requirements. The maintenance plan must reflect these uses.
Is a faulty actuator repaired or replaced?
It depends on the model and the manufacturer’s instructions. Some actuators are replaced, while internal repairs are carried out only by the manufacturer. The diagnosis determines whether the issue lies with the motor or other components of the installation.
Can the same automation be used for both ventilation and smoke exhaust?
Yes, if the assembly is designed, documented, and configured for both functions. Proper operation for ventilation alone does not confirm the response to a smoke exhaust command, which must be tested separately.
What is the difference between 24V and 230V motors?
They have different power supply and control requirements. Replacement must comply with the installation’s configuration. A 24V power supply does not guarantee operation during a power outage: a compatible backup power source is required, provided for and tested in the system.
Read more about window automation service on the dedicated page.
How often should a fire-resistant curtain be inspected?
The frequency is determined according to the manufacturer’s documentation and the applicable installation requirements. The plan may include routine inspections performed by trained personnel and specialized servicing. A maintenance subscription must be tailored to these requirements.
Is maintenance necessary if it has never been triggered?
Yes. The absence of activations does not confirm the condition of the fabric, mechanisms, or controls. Periodic inspections help identify problems that may go unnoticed while the curtain remains retracted in its housing.
Are a fire-resistant curtain and a smoke curtain the same thing?
They have different roles and performance. A smoke curtain is designed to control smoke movement, while a fire-resistant curtain provides the declared performance for fire separation. A unit may have additional performance features, but these must be confirmed in the documentation.
What do classes E, EW, and EI mean?
E designates fire integrity, EW adds limitation of thermal radiation, and EI includes thermal insulation. The number associated with the class indicates the performance duration, in minutes, under the testing and classification conditions specified for the equipment.
Discover more about fire-resistant curtain service on the dedicated page.
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