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Soundproof Fire Door: Construction and Materials

Soundproof Fire Doors also named as Soundproof DoorsAcoustic DoorsNoise-Reduction DoorsSound-Isolating DoorsSound-Attenuating DoorsQuiet DoorsSound-Dampening DoorsNoise-Canceling DoorsInsulated DoorsSonic Doors. A soundproof fire door is an important safety facility in the field of construction. It not only can prevent the spread of fire but also block the transmission of sound, playing a crucial protective role. Understanding the construction and materials of a soundproof fire door is essential for selecting an appropriate fire door.

 Soundproof Fire Door: Construction and Materials 1

I. Construction Elements of Soundproof Fire Door


Door Frame:

The door frame of a soundproof fire door is generally made of steel or fire-resistant wood materials to ensure the frame's stability and fire resistance. The structural design of the door frame should meet fire safety requirements, ensuring the normal operation and closure of the door leaf.


Door Leaf:

The door leaf is a major structural component of a soundproof fire door. It is typically made of multiple layers of metal sheets and fire-resistant soundproof materials. Alternatively, it can be made of wood that has undergone flame-retardant treatment, along with fire-resistant and soundproof materials. Metal sheets provide good heat resistance, while the fire-resistant soundproof materials effectively block sound transmission.


Fireproof Filling Materials:

Fireproof filling materials, such as rock wool, glass fiber, are used to fill the interior of the door leaf, enhancing its fire resistance. These materials provide thermal insulation and smoke barrier, reducing sound transmission and improving fire rating.


Soundproof Filling Materials:

Different soundproof materials are chosen based on the specific soundproofing requirements, measured in decibels (dB). Guangxi Zonle Doors Manufacture Company has developed and produced wooden soundproof fire doors and steel soundproof fire doors that can achieve a maximum of STC 50dB. The wooden soundproof fire doors have already undergone testing using the ASTM E90-09 testing method and achieved an STC of 45dB, as confirmed by the test report. Zonle Doors Company has been exported Soundproof Fire Door to United State, England, Germany, Canada, France, Italy ext. 15 countries.


Sealing Strips:

Sealing strips are placed at the joints between the door frame and the door leaf. They are made of high-temperature-resistant, flame-retardant materials to ensure the door's sealing, preventing the penetration of harmful gases during a fire, and enhancing the fire resistance.


Fireproof Hardware:

Fireproof hardware includes fireproof locks, hinges, door closers, etc. These hardware components are typically made of special high-temperature-resistant metals, ensuring they operate normally during a fire and maintain the door leaf's closure.

 Soundproof Fire Door: Construction and Materials 2

II. Material Selection of Soundproof Fire Door


Metal Materials:

Metal materials are commonly used in soundproof fire doors due to their excellent fire resistance and strength, maintaining stability at high temperatures. Metal materials are suitable for making door frames and door leaves, ensuring the overall stability of the door.


Fire-Resistant Soundproof Materials:

The interior of the door leaf in a soundproof fire door is filled with fire-resistant soundproof materials like rock wool, glass fiber, etc. These materials effectively isolate the source of fire and block sound transmission, improving the soundproof fire door's performance.


Fireproof Glass:

If a soundproof fire door includes windows, fire-resistant glass is typically chosen to ensure it acts as a barrier against fire and smoke during a fire while maintaining transparency.


Fireproof Paint:

The surface of a soundproof fire door is often coated with fire-resistant paint, enhancing the door's fire resistance and improving its fire rating.


In summary, the construction and material selection of a soundproof fire door directly influence its fire resistance and soundproofing performance. Appropriate materials and sound construction can ensure the soundproof fire door functions optimally during a fire, protecting lives and property. Choosing a suitable soundproof fire door is a crucial step in ensuring our home's safety.

 Soundproof Fire Door: Construction and Materials 3

III. Design Features of Soundproof Fire Doors


Exterior Design:

The exterior design of soundproof fire doors is generally simple and elegant, in line with the modern home decor style. Common designs feature a smooth surface and minimalist lines, catering to various interior design preferences.



Soundproof fire doors are widely used in various settings such as apartment entrances, hotel rooms, school classrooms and dormitories, hospital clinics, and more. They find extensive applications in places where high soundproofing and fire resistance are required.


Color Selection:

The color of soundproof fire doors should harmonize with the overall interior decor style. Typically, clean and vibrant tones like white, gray, or deep colors are chosen. Additionally, doors can be customized to different colors and wood grain effects based on user preferences.


Opening Mechanisms:

Soundproof fire doors come with various opening mechanisms, including single-swing, double-swing, sliding, and more. The choice of opening mechanism depends on the door's location and user habits to ensure convenient usage.


Smart Devices:

Some soundproof fire doors are equipped with smart devices such as fingerprint locks, keypad locks, remote controllers, enhancing user convenience and safety, meeting the requirements of modern homes.


Compliance with Standards:

The design of soundproof fire doors must comply with relevant national standards for fire resistance and soundproofing, as well as building regulations. This ensures that the doors meet the required levels of fire resistance, soundproofing, and safety.

 Soundproof Fire Door: Construction and Materials 4

IV. Technological Innovations of Soundproof Fire Doors


Soundproofing Technology:

With the advancement of technology, soundproofing technology continues to innovate, utilizing advanced soundproofing materials and techniques, enhancing the soundproofing effectiveness of soundproof fire doors and providing users with a quiet and comfortable indoor environment.


Smart Technology:

Combining smart technology, soundproof fire doors can achieve functions like remote control and voice control, elevating the door's level of intelligence and offering users a more convenient living experience.


Environmental Protection Technology:

Modern soundproof fire door designs increasingly emphasize the use of environmentally friendly materials, advocating for a green ecology to minimize the environmental impact of door materials and achieve green and low-carbon production.


New Sealing Technology:

New sealing technology improves the door's sealing, effectively isolating the spread of sound and smoke, enhancing the performance and effectiveness of soundproof fire doors.


In conclusion, soundproof fire doors are a vital component for safety in homes and public spaces. Their construction, materials, design features, and technological innovations are all crucial. When choosing soundproof fire doors, users should consider their specific needs and circumstances to ensure the safety of life and property.


Soundproof Fire Door: Construction and Materials

Soundproof Fire Door: Construction and Materials

Soundproof Fire Door: Construction and Materials

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