Moisture-Proof Airtight Door
The Moisture-Proof Airtight Door is designed for spaces that require moisture resistance, airtightness and sealed environmental protection. Special sealing materials and structural design help prevent water or gas penetration through door gaps, while the door can also resist shock wave impact according to corresponding resistance requirements.
Key Features
- High moisture resistance and airtight sealing performance
- Special sealing materials and structure prevent water or gas penetration
- Designed to resist shock wave impact according to required resistance level
- 10mm thick steel plate door frame
- Composite steel door panel with thermal insulation layer
- 304 stainless steel heavy-duty integrated compression mechanism
Product Overview
Moisture-Proof and Airtight Protection
This door is used in environments that require moisture-proof, sealed, odor-control and corrosion-resistant performance, such as basements, tunnel storage and utility facilities.
Heavy Steel Composite Structure
The frame uses 10mm thick steel plate, while the composite door panel uses 4mm steel, an insulation layer and 2mm steel with epoxy zinc-rich coating treatment.
Compression Sealing System
A 304 stainless steel heavy-duty integrated compression mechanism and embedded sealing strip between the frame and door leaf help achieve airtight, watertight and wind pressure performance.
Applications
Military barracks
Basements
Tunnel storage
Cave storage facilities
Waste incineration power plants
Domestic sewage treatment plants
Our Advantages
Strong moisture-proof, airtight and odor-control performance
Epoxy zinc-rich coating improves corrosion resistance
Heavy-duty compression mechanism supports reliable sealing
Suitable for underground and utility environments
Designed for moisture-proof and sealed protective applications
Technical Data
| Product Type | Moisture-proof airtight protective door |
| Frame Material | 10mm thick steel plate |
| Door Panel Structure | 4mm steel + thermal insulation layer + 2mm steel composite |
| Surface Treatment | Epoxy zinc-rich primer, intermediate and topcoat system |
| Compression Mechanism | 304 stainless steel heavy-duty integrated compression mechanism |
| Sealing | Sealing strip embedded between frame and door leaf |
| Airtightness | Up to Grade 8 under normal closed condition |
| Watertightness | Up to Grade 8 under normal closed condition |
| Wind Pressure Resistance | Up to Grade 8 under normal closed condition |
Packaging
Standard export packaging according to door size, coating system, sealing mechanism and hardware configuration
Have questions about this product?
Contact UsFrequently Asked Questions About Steel Fire Rated Doors
What is the fire rating of this steel fire door?
This steel fire rated door can be supplied with different fire integrity ratings depending on the project requirement and available test scope. Buyers should confirm the required fire rating, local standard, and documentation needs before ordering. To discuss your project requirement, visit the SNRIDA contact page for a project-specific response.
Can this steel fire door be used for export projects?
Yes. This steel fire door is designed for commercial, residential, and industrial building projects. For export projects, SNRIDA can provide product specifications, technical drawings, packing details, and available test documents where applicable. See the fire door manufacturer overview page for export project coordination.
What documents can be provided for this steel fire door?
Depending on the project requirement, SNRIDA can provide product specifications, technical drawings, commercial invoice, packing list, product photos, and available certificates or test reports where applicable. Buyers should confirm required documents with their contractor, consultant, or customs broker before shipment. For the broader import process, see the how to import fire doors from China guide.
Can hardware openings be prepared before shipment?
Yes. Hinge positions, lock holes, closer preparation, panic bar preparation, and other hardware openings can be prepared according to approved drawings. Buyers should confirm hardware models and opening direction before production.
What is the HS code reference for steel fire doors?
Steel fire doors are commonly reviewed under HS heading 7308.30 for iron or steel doors and frames. However, the final HS code may vary by destination country, door structure, hardware configuration, and customs broker review. Buyers should confirm the final classification with their local customs broker before shipment. See the fire door HS code import classification guide for more detail.
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