Fireproof ductwork EI gypsum board is the optimal fireproof solution for the ventilation and air conditioning systems of today’s buildings. With the good advantages that this type of ductwork brings, it is always chosen by contractors to install for their projects. However, many people still do not fully understand this product. Please follow the article of P69 Mechanical Factory for answers!
What is EI Fireproof duct with gypsum board material?
– Fireproof ductwork material EI Gypsum board has the same structure as conventional ducts, but the product is covered with protective layers of plaster outside. These protective layers are what make Ei ducts able to withstand high temperatures according to the standards Ei 30, Ei 45, Ei 60, Ei 90, Ei 120
– Knauf Gypsum board is manufactured by Knauf Group (Germany), one of the leading gypsum-based building materials groups in the world. Knauf FireShield is suitable for construction projects. civil and commercial, can be used in high-rise buildings such as hotels, apartments, public works such as hospitals, commercial centers, schools …

The ability of EI Fireproof duct with gypsum board material
– Fireproof duct of EI gypsum board material provides fire resistance, does not contain toxic compounds and ensures your safety
– When ductwork is installed according to the Knauf Instructions, it will be possible to achieve:
+ Soundproof up to 56dB
+ Fire resistance up to 4 hours
Specifications of some fireproof plasterboard partitions
Fireproof ability | Soundproofing ability (dB) | Construction of partition wall | |
No soundproof cotton | With soundproof cotton (glass wool 12 kg/m^3) | ||
30 minutes | 34 | 43 | – Frame: C73/U75
– Each side consists of 1 layer of Knauf Standardshield plasterboard, 12.7 mm thickness – Total wall thickness: 100.4 mm |
60 minutes | 37 | 46 | – Frame: C73/U75
– Each side consists of 1 layer of Knauf Standardshield plasterboard, 15.9 mm thickness – Total wall thickness: 106.8 mm |
120 minutes | 47 | 53 | – Frame: C73/U75
– Each side consists of 1 layer of Knauf Standardshield plasterboard, 12.7 mm thickness – Total wall thickness: 125.8 mm |
Application of EI Fireproof duct with gypsum board material
– Fireproof wall, ceiling and partition system
– Areas requiring sound insulation
– Installation instructions: Knauf FireShield gypsum board should be installed with bare metal skeleton and Knauf partitions or approved by Knauf for maximum efficiency.

Advantages and disadvantages when using EI Fireproof duct with gypsum board material
With each construction product, there will always be advantages and disadvantages of the product. Here are some pros and cons P69 sent to you
1. Advantages
It is one of the most commonly used fireproof ducts in today’s constructions. The reason why this type of duct is preferred by contractors and businesses is thanks to the following outstanding advantages:
– Diversified fire resistance limit, meeting all requirements of buildings from Ei 30, Ei 45, Ei 60, Ei 90, Ei 120…
– Before mass production, the gypsum structure Ei fireproof duct will be burned and tested according to Ei standards and certified by functional units.
– This type of EI fireproof duct has good fire resistance and insulation, in addition, it is anti-corrosion and prevents oxidation.
– Fire-resistant air ducts Ei plaster structure also has relative compressibility.
– The material system for production is easy to find and readily available in the market. This helps to make the production process simpler and faster.
– The outside of the air duct is covered with an eye-catching pink lotus color layer, which helps to increase the aesthetics of the building.
However, it is possible to paint other colors on request to better match the design and aesthetics of the building.
– The production and use process of this type of duct is non-toxic and very safe for the environment.
In particular, compared to other types, fireproof ductwork from gypsum has a softer price.
2. Disadvantages
In addition to the above advantages. Fireproof ducts Ei from gypsum still have some disadvantages that need to be overcome such as:
– Materials from plaster are not waterproof, so they cannot be used outdoors. This leads to the inhomogeneity of the internal and external components of the combustion chamber.
– Surfaces from plaster are easily scratched and dirty during processing and installation of fireproof ducts.
Gypsum board has a relatively heavy weight, so the load of the structure is increased significantly.

Where to buy quality EI gypsum plasterboard material fireproof duct
Currently, in the market, P69 Mechanical Factory is a manufacturer of standard EI Gypsum board material fireproof duct, so this is considered a name chosen by many customers when shopping for products. With the following outstanding advantages:
– Competitive price
– Fast, modern production line
– Professional and flexible sales staff
– Product warranty policy from 12-36 months
Products are diverse in size and design, helping customers choose a cheap but quality EI Gypsum board material fireproof duct. If you have any questions, you can directly contact Hotline: 0989 188 982 for answers!
P69 Mechanical Factory Contact Information
Address: Km 18, Thang Long Boulevard, Thach That Quoc Oai Industrial Area, Hanoi
Headquarters: No. 06/165C, Xuan Thuy, Cau Giay, Hanoi
Telephone: 09666 86 969
Hotline: 0989 188 982
Email: kd1@cokhip69.com.vn
Linkedin: https://www.linkedin.com/in/nhamaycokhip69/
Website: https://cokhip69.com.vn/
Youtube: https://www.youtube.com/channel/UCfvFIhhuJ4ANAO0glUPSTAg/ab
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