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Building door manufacturers

I have found results from7000+products and2000+suppliers aboutBuilding door

Nanchang Zhuohong Fire Equipment Co., Ltd.mic-icon
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Durable Hollow Metal Doors with Fire Rating for Office Buildings

Durable Hollow Metal Doors with Fire Rating for Office Buildings

US$90.00-130.00
2 Pieces(MOQ)
Powder Coated Double Steel Door for High-Rise Residential Building Evacuation Passage

Powder Coated Double Steel Door for High-Rise Residential Building Evacuation Passage

US$90.00-130.00
2 Pieces(MOQ)
Fire Rated Door for Office Building Stairwell Fire Escape Passage

Fire Rated Door for Office Building Stairwell Fire Escape Passage

US$90.00-130.00
2 Pieces(MOQ)
UL 3 Hour Hollow Metal Door for USA Canada Commercial Building Project

UL 3 Hour Hollow Metal Door for USA Canada Commercial Building Project

US$90.00-130.00
2 Pieces(MOQ)
Steel Fire Rated Door 90 Minute Commercial Building UL

Steel Fire Rated Door 90 Minute Commercial Building UL

US$150.00
2 Square Meters(MOQ)
3 Hour Fire Rated Metal Door for High-Rise Residential Building

3 Hour Fire Rated Metal Door for High-Rise Residential Building

US$90.00-130.00
2 Pieces(MOQ)
Fire Resistant Steel Door Hospital Building En1634 Certified

Fire Resistant Steel Door Hospital Building En1634 Certified

US$150.00
2 Square Meters(MOQ)
Hollow Metal Door Commercial Building Durable Security Solution

Hollow Metal Door Commercial Building Durable Security Solution

US$150.00
2 Square Meters(MOQ)
Fire Rated Door 180mins Fire Resistance for Commercial Building Project OEM Accept

Fire Rated Door 180mins Fire Resistance for Commercial Building Project OEM Accept

US$90.00-130.00
2 Pieces(MOQ)
Exterior Steel Fire Door School Building En1634 Approved

Exterior Steel Fire Door School Building En1634 Approved

US$150.00
2 Square Meters(MOQ)
Fire Rated Steel Entry Door Apartment Building UL Listed

Fire Rated Steel Entry Door Apartment Building UL Listed

US$150.00
2 Square Meters(MOQ)
Heavy Duty Steel Front Door Apartment Building Entrance

Heavy Duty Steel Front Door Apartment Building Entrance

US$145.00
2 Square Meters(MOQ)
Fire Rated Steel Door 3 Hour for Commercial Building

Fire Rated Steel Door 3 Hour for Commercial Building

US$90.00-130.00
2 Pieces(MOQ)
Galvanized Steel Fire Door En1634 Certified Office Building

Galvanized Steel Fire Door En1634 Certified Office Building

US$150.00
2 Square Meters(MOQ)
Steel Fire Door for Commercial Building Emergency Exit

Steel Fire Door for Commercial Building Emergency Exit

US$90.00-130.00
2 Pieces(MOQ)
China Factory Steel Fire Door Custom 30 To180 Minutes for Building Contractor

China Factory Steel Fire Door Custom 30 To180 Minutes for Building Contractor

US$90.00-130.00
2 Pieces(MOQ)
Steel Fire Door UL Certified Commercial Building Safety Solution

Steel Fire Door UL Certified Commercial Building Safety Solution

US$150.00
2 Square Meters(MOQ)
High Quality Interior Fireproof Wood Fire Door for Large-Scale Public Buildings

High Quality Interior Fireproof Wood Fire Door for Large-Scale Public Buildings

US$148.00-150.00
10 Sets(MOQ)
Sample Available
Steel Fire Door UL 2 Hour with Panic Bar for Public Building

Steel Fire Door UL 2 Hour with Panic Bar for Public Building

US$90.00-130.00
2 Pieces(MOQ)

Sourcing guidance for Building Door

What are the key material specifications to consider when sourcing building doors for commercial vs. residential projects?

For commercial projects, prioritize heavy-duty steel (16-18 gauge) or reinforced aluminum to withstand high traffic and meet security requirements. For residential projects, focus on solid wood, MDF with wood veneer, or fiberglass, which offer better aesthetic appeal and thermal insulation. Ensure that kiln-dried wood is used to prevent warping and that thermal break technology is applied to aluminum frames to improve energy efficiency.

Which international compliance standards and certifications are mandatory for building doors?

Compliance varies by region: for the US market, doors must meet UL 10B or 10C for fire ratings and ASTM E283/E331 for air and water infiltration. For the EU market, look for CE Marking and EN 16034 for fire resistance. Always verify ISO 9001 certification of the manufacturer to ensure consistent quality management and FSC certification if sustainable wood sourcing is a project requirement.

How should I evaluate the security and functional hardware of a building door?

Focus on the Grade of the lockset (ANSI/BHMA Grade 1 is highest) and the quality of hinges. For exterior doors, ensure the use of multi-point locking systems and anti-drill plates. If sourcing fire doors, the hardware must be fire-rated to match the door leaf. For smart buildings, confirm electronic strike or mag-lock compatibility with existing access control systems via RS485 or Wiegand protocols.

What surface treatment technologies ensure the longevity of exterior doors in harsh environments?

For coastal or high-humidity areas, specify powder coating with a thickness of at least 60-80 microns or anodized finishes (Class I) for aluminum to prevent corrosion. For steel doors, hot-dip galvanizing is essential before painting. For wooden doors, ensure a UV-resistant topcoat is applied to prevent fading and cracking under direct sunlight.

Cross-Border Procurement Strategy & Risk Management for Building Doors

How can I mitigate the risk of damage during international shipping for large door orders?

Building doors are prone to edge damage and warping. Insist on EPE foam corner protectors, vacuum shrink-wrap, and reinforced plywood crates (non-fumigation) rather than simple cardboard. For LCL (Less than Container Load) shipments, request palletization to minimize manual handling. On Made-in-China.com, you can utilize Secured Trading Services to ensure the goods are inspected for packaging integrity before final payment.

What are the best practices for negotiating with Chinese door manufacturers regarding customization and MOQs?

Most professional manufacturers on Made-in-China.com offer OEM/ODM services. When negotiating, provide a detailed Bill of Quantities (BOQ) and CAD drawings. To lower the Minimum Order Quantity (MOQ), suggest using standardized internal cores while customizing only the external veneers or hardware. Always request a pre-production sample for custom designs, even if it incurs a higher initial cost, to avoid mass-production errors.

How do I handle international trade policies and anti-dumping duties on building doors?

Be aware that some countries impose anti-dumping duties on specific door types (e.g., wooden bedroom doors or aluminum frames) from certain regions. Check your local Harmonized System (HS) Code (typically Chapter 44 for wood or Chapter 73/76 for metal) against current trade barriers. Work with suppliers on Made-in-China.com who have experience with Certificate of Origin (CO) issuance to help you benefit from applicable Free Trade Agreements (FTAs).

What is the recommended method for verifying a supplier's production capacity and legitimacy?

Prioritize Audited Suppliers on Made-in-China.com, as their facilities, production lines, and business licenses have been verified by third-party institutions like SGS or Bureau Veritas. Request a video walk-through of the factory's testing lab to see their fire-testing or cycle-testing equipment in action. This ensures the supplier is a true manufacturer and not a middleman.

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