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Security doors are specially developed doors that offer protection against burglary, fire, noise or other external influences.

They are used in private, commercial and public areas to protect people and property.

Below you will find the structure, function and types of security doors, an overview of their areas of application as well as their classification and resistance classes and their advantages:

Structure of security doors:

Security doors are made of high-quality materials and special construction features that make them resistant to various threats.

1. Reinforced door leaves made of steel, aluminum, wood or composite materials with a reinforced inner core.
2. Door locks with multiple locking points offer increased resistance to break-in attempts.
3. Security fittings as protection against drilling, prying or pulling out the locking cylinder.
4. Reinforced hinges and hinge locks prevent the door from being unhinged.

How security doors work:

In addition to their sturdy mechanical construction, security doors also have electronic security mechanisms:

1. Integrated RFID readers, fingerprint scanners or code locks for access control.
2. Connection to burglar alarm systems for automatic alarms.
3. Control via apps or remote access via the internet.

Types of security doors:

Security doors offer protection against external influences:

1. As fire protection doors, they prevent the spread of fire and smoke (e.g. fire protection classes T30, T60, T90).
2. Special door cores and seals minimize noise transmission and thus provide sound insulation.
3. Resistant materials for external doors offer protection against rain, wind and extreme temperatures.

Use of security doors:

Security doors are used in various areas, depending on the specific protection requirements:

1. Private use (residential buildings, houses, apartments):
As burglary protection for house entrances and apartment doors in apartment buildings.
Fire protection doors in cellars, garages or between living rooms and corridors.
Sound insulation for apartments in apartment buildings or on busy roads.

2. Commercial and industrial use:
In office buildings to protect sensitive areas (server rooms, vaults, executive floors).
In warehouses and production facilities to protect against break-ins and unauthorized access.
In data centers in the form of high-security security doors with electronic access control.

3. public buildings and high-security areas:
In hospitals and schools as fire protection and soundproof doors for security and comfort.
In banks and government buildings in the form of high-security doors with armoring and bullet resistance.
At airports and military installations as special doors with the highest security standards.

4. Special applications:
In panic rooms (safe rooms) as doors with extreme resistance to violent attacks.
In bunkers and shelters as radiation and explosion-proof doors.

Classifications and resistance classes:

Security doors are classified according to various standards and resistance classes:

1. Burglary resistance classes (RC - Resistance Class, EN 1627):
   RC1 to RC3: Protection against opportunist thieves with simple tools.
   RC4 to RC6: Protection against professional burglars with heavy equipment.
2. Fire protection classes (DIN 4102, EN 1634-1):
   T30: Fire resistance for 30 minutes.
   T60: Fire resistance for 60 minutes.
   T90: Fire resistance for 90 minutes.
3. Sound insulation classes (DIN 4109):
   Rw 27-42 dB: Basic protection against everyday noise.
   Rw 42-47 dB: High sound insulation for offices and hotels.
   Rw 47+ dB: Maximum protection for recording studios or conference rooms.
4. Shot protection (EN 1522/1523):
   FB1 to FB7: Protection against various calibers of firearms.
   FSG: Special protection classes against shotguns and grenades.

Advantages of security doors:

• Increased protection: resistance to burglary, fire and gunshots.
• Flexibility: Combination of mechanical and electronic security functions.
• Durability: High-quality materials guarantee a long service life.
• Energy efficiency: Good thermal insulation saves heating costs.
• Increase in property value: Security features increase the value of buildings.

Security doors are essential for the protection of people and property. Depending on the area of application, there are different protection classes and functions that can be individually adapted. Careful planning and selection ensures that the door meets the desired security requirements.

Here are the most important aspects to look out for when buying security doors:

When buying security doors, there are numerous factors to consider to ensure the best possible protection and the right functionality for the particular application.

• Before you buy security doors, you should define exactly which requirements they must fulfill:
• Burglary protection: residential buildings, offices, industrial facilities
• Fire protection: escape routes, cellars, garages, public buildings
• Sound insulation: hotels, office buildings, conference rooms
• Weather resistance: exterior doors, garage doors, industrial facilities
• Special requirements: Bullet protection, explosion protection, radiation protection
• The resistance of a security door is regulated by various standards. Pay attention to the following classifications:
• Burglary protection (RC - Resistance Class, EN 1627-1630):
• RC1 & RC2: Basic protection against opportunist burglars with simple tools
• RC3 & RC4: High protection against attempted break-ins with heavier tools
• RC5 & RC6: Maximum protection against professional perpetrators with special tools
• Fire protection classes (DIN 4102, EN 1634-1):
• T30 (EI30): Fire resistance for 30 minutes
• T60 (EI60): Fire resistance for 60 minutes
• T90 (EI90): Fire resistance for 90 minutes
• Sound insulation (DIN 4109):
• Rw 32-37 dB: Standard sound insulation
• Rw 38-42 dB: Good sound insulation (e.g. offices)
• Rw 43-47 dB: High sound insulation (e.g. conference rooms)
• Rw 48+ dB: Maximum sound insulation (e.g. music studios)
• Bullet resistance (EN 1522/1523):
• FB1-FB7: Protection against various firearm calibers
• FSG: Protection against shotguns and blast pressure
• Note the material and design features.
• Steel is very resistant to burglary. Steel doors are durable but heavy.
• Aluminum is lightweight, corrosion resistant. Aluminum doors are suitable for exterior doors.
• Wood with a steel core combines aesthetics with high stability.
• Composite materials offer special protective functions (fire, sound, burglary).
• The glazing must be shatter-proof and burglar-resistant (e.g. P4A, P5A or P6B safety glass).
• The locking mechanisms and additional security functions are also important for security doors.
• Multi-point locking systems have several locking points for increased protection.
• Security cylinders with drill protection make it difficult to drill into or pull out the cylinder.
• Hinge locks prevent the door from being unhinged.
• Electronic access controls increase security in some applications:
• RFID/chip card systems enable contactless access.
• Fingerprint scanners offer a high level of security. However, they require maintenance.
• Smart locks enable control via apps and thus offer the possibility of integration into smart home systems.
• Alarm systems can be linked to burglar alarm systems.
• Ensure that the door is anchored in accordance with standards: The door must be properly anchored in the wall (installation in accordance with DIN 18104).
• The door frame must match the security class of the door.
• Note the closing direction: left or right opening, inwards or outwards.
• Also pay attention to additional seals: They are important additions for sound, fire and heat protection.
• Make sure that the door has been tested by independent institutes:
• VdS certification: confirmation of burglary protection standards.
• MPA test: Proven fire protection resistance.
• TÜV seal: Guarantee of quality and conformity to standards.
• Pay attention to the maintenance and durability of the security door:
• Check the locks, seals and mechanisms regularly.
• The manufacturer should guarantee spare parts for several years.
• For external doors, make sure they have a weatherproof coating to ensure adequate corrosion protection.
• High-quality doors save money thanks to their durability and low maintenance costs.
• Is there an extended guarantee or on-site maintenance?

When buying security doors, it is important to choose the right combination of protection class, material, lock mechanism and additional functions. Sound planning and advice from experts are essential in order to find a secure and economical solution in the long term.

Security doors can be purchased from various suppliers. Comprehensive information about manufacturers and suppliers of Security doors from all over the world can be found on Exportpages.