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90 Min Fire Rating 40 dB Acoustic Steel Internal Fire Safety Door For Studios

Minimum Order Quantity : 1 set Price : Negotiable
Packaging Details : Inside Bubble Bags+ Strong Carton+Wooden Frame Delivery Time : 35 Days After Payment Received
Payment Terms : western union, moneygram,cash, l/c, t/t Supply Ability : 600 sets per day
Place of Origin: CHINA Brand Name: ZHONGWO
Certification: BS, WHI, UL, CCC Model Number: ZW-SM05

Detail Information

Material: Galvanized Steel Surface Treatment: Powder Coated & PVC
Thickness Of Door Leaf: 70 Mm Thickness Of Steel Sheet For Door Leaf: 1.2 Mm
Thickness Of Steel Sheet For Door Frame: 1.8 Mm Frame Depth: 130 Mm
Fire Rating: 90 Min Opening Direction: Outward, Right/Left Handed
Opening Force: 66-68 N Acoustic Performance: 40 DB
High Light:

fire protection door


fire resistant door

Product Description

Acoustic Steel Fire Safety Door

Product Description

Zhongwo Steel Aucostic Fire door is widely used in all kinds of public fire-proof areas with high soundproof request because of its solid structure and simple shape. Inlaid with fire-proof expansion sealing pieces and 3 mm thick soundproof blankets on both sides of door panel, the door frame is made of high quality galvanized steel strip, which is one-time rolled and formed through the special production line, without impact sound when closing.


Beams are connected with mullions by 90° angle welding, and the large size door frame can be assembled with bolts. The door leaf adopts the process that high-quality cold-rolled galvanized steel sheet is bent by the bending machine precisely, and its interior is filled with green and perlite board which has characters of fireproof, heat & sound insulation and its surface adopts technology without welding spots, so that to get smooth appearance.


90 Min Fire Rating 40 dB Acoustic Steel Internal Fire Safety Door For Studios 0


Technical Specification


1. It’s designed based on GB12955-2008 Standards Fire Doors, Sound Insulation GB/T 8485-2008.

2. There is cold rolled galvanized steel sheet with 3.0mm for stiffening on fire hinge and fire closer point.

3. Filling Process for Door Core Material: Tamping

4. It’s suitable for places requiring better effect for sound insulation and fire insulation.


Door Closer 1
Door Frame 1.8mm Cold Rolled Galvanized Steel Sheet
Sideboard Width 130mm
Door Leaf 70mm
Fire Lock 1
Fire Hinge 3
Fire Intumescent Seals 20*2 (W*T mm)
Fire&Sound Insulation Seals 15*20 (W*T mm)
Fire&Sound Insulation Door Core Board (300±30)kg/m³
Door Leaf Panel 1.2mm Cold Rolled Galvanized Steel Sheet
Sound-Proof Blanket 3mm
Class A
Grade A
Fire Resistance Rating 1.5 Hour
Sound Insulation Grade 4(External Door, Grade 5 Internal Door. Total Grade 6)
Dimension Standard: W990*H2190 (mm); Can also Be Customized
Standards GB12955-2008; GB/T 8485: 2008



1. Matured packaging team consisting of professional and well-trained packaging staff with quality packaging materials.

2. Quick delivery within 35 days since transfer confirmed.
3. Reliable and professional logistics services which are all in long-term cooperation with us.
4. After-sale service: Any questions or problems after receiving the product, please feel free to contact us. Problems would be solved for you immediately.


90 Min Fire Rating 40 dB Acoustic Steel Internal Fire Safety Door For Studios 1


Why Choose Us?


1. All of our fire doors are in top quality and at competitive prices.

2. Free pre-sales consult on any questions about fire doors.

3. Brand Advantage: We insist purchasing to be a reliable fire doors supplier for high-end real estate agents.

4. All fire doors can be customized as your request.

5. Good after-sale service.

More than 20 years experience in fire door industry.



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