6 Exterior Door Sizing, Materials & Factory Sourcing Guide

20 min read

A contractor in Phoenix once ordered forty 6-foot fiberglass doors for a gated community. The first three installs went fine. The fourth one bowed at the lock edge so badly the deadbolt wouldn’t engage. The supplier had cut corners on the internal steel stiffener. That is the difference between a 6-foot door and a standard 36-inch door — width amplifies every structural weakness.

Understanding 6 Exterior Door: What the Term Actually Means

A “6 exterior door” refers to a door that is 6 feet (1,829 mm) wide. It is almost never a height specification. In architectural drawings, you will see this written as 6/6 (6’0″ wide × 6’8″ high) or 6/8 (6’0″ wide × 8’0″ high). The first number is always width in feet, the second is height in feet and inches.

This width is the standard for grand entrances, double-door configurations, and wide patio openings. It is also common in commercial buildings where larger clearances are needed for equipment or accessibility.

There are three ways a 6-foot opening gets filled:

• Single 6’0″ door — one large swinging panel. Requires heavy-duty hinges, multi-point locking, and internal reinforcement.
• Double door pair — two 3’0″ slabs (36″ each) that meet in the middle. This is the most common 6’0″ configuration for entryways.
• French or sliding panels — two or more panels that operate independently or slide. Common for patio and garden access.

The distinction matters for procurement. A single 6’0″ door is a specialty item with different engineering requirements than a pair of standard 36″ doors. If you order “six-foot doors” and the supplier assumes you mean a pair, you will get the wrong product.

Standard Sizes and Rough Opening Requirements

Common 6′ Door Configurations

The most frequently ordered 6′ exterior door sizes are:

Configuration	Nominal Size	Actual Slab Size	Rough Opening
Single 6/6	6’0″ × 6’8″	36″ × 80″ (pair) or 72″ × 80″ (single)	74″ × 82″
Single 6/8	6’0″ × 8’0″	72″ × 96″	74″ × 98″
Double 6/6	2 × 3’0″ × 6’8″	36″ × 80″ each	74″ × 82″
Double 6/8	2 × 3’0″ × 8’0″	36″ × 96″ each	74″ × 98″

Standard exterior door heights are 6’8″ (80 inches) and 8’0″ (96 inches). The 6’8″ height is the default for most residential and light commercial projects. The 8’0″ height is increasingly popular for grand entrances and commercial spaces.

Rough Opening (RO) Calculations

The rough opening is the framed gap in the wall where the door unit will be installed. It must be larger than the door frame to allow for shimming, leveling, and flashing. For a 6’0″ × 6’8″ pre-hung door with standard 2× framing:

• Width: 74 inches (2 inches wider than the 72-inch door frame)
• Height: 82 inches (2 inches taller than the 80-inch frame)

These numbers assume a 4-9/16″ jamb (for 2×4 walls). If the wall is 2×6 construction, the jamb width is 6-9/16″, and the RO height may need adjustment for threshold height.

Buyers should never guess at rough openings. Always confirm with the manufacturer’s installation instructions. A 6-foot door has less tolerance for error than a standard 36-inch door — there is simply more surface area to warp or bind.

Can a Door Be 4 Feet Wide?

Yes. A 4’0″ (48-inch) single door is a standard commercial product, often used for accessibility compliance and equipment rooms. However, 48 inches is generally the practical upper limit for a single swinging door with conventional butt hinges.

Beyond 48 inches, the door’s weight creates problems:

• Hinge stress increases exponentially with width
• The lock edge tends to sag or bow
• Wind load pressure on the panel increases

A 6’0″ single door is possible but requires pivot hinges or heavy-duty multi-point locking systems. Internal reinforcement (steel or aluminum stiffeners) is mandatory. This is why most 6’0″ openings use a pair of 36″ doors instead.

Material Comparison for 6-Foot Exterior Doors

Fiberglass 6′ Doors — The Modern Standard

Fiberglass has become the dominant material for exterior doors in North America and increasingly in Europe. The construction is a fiberglass skin over a polyurethane foam core, with a wood or composite frame.

What makes a fiberglass door exceptional: The fiberglass skin does not rot, warp, or split like wood. It does not dent or scratch as easily as steel. The foam core provides insulation values roughly double that of a solid wood door. For a 6-foot wide panel, where structural integrity is critical, the composite construction resists bowing better than either wood or steel at the same weight.

Does a fiberglass door really look like wood? Modern manufacturing uses embossing plates that replicate wood grain with photographic accuracy. When factory-finished with a stain, the grain pattern is visible and textured — you can feel the grain with your fingers. From a distance of two feet, most people cannot distinguish a stained fiberglass door from real oak or mahogany. The key is the finishing quality. Factory-applied stains with multiple layers of UV-resistant polyurethane are far more realistic than field-applied paint.

Will the finish fade in southern sun? Quality fiberglass doors use a UV-stable gel coat in the manufacturing process. This is not paint — it is a colored resin layer that is part of the door skin itself. Factory finishes on premium doors carry 20–30 year warranties against fading or chalking. Dark colors in extreme southern climates (Arizona, Florida, Texas) may show subtle fading after 8–12 years, but repainting with a quality exterior acrylic latex restores the appearance.

Can I refinish or repaint a fiberglass door? Yes. Clean the surface with a mild detergent, lightly sand with 120-grit paper to create adhesion, and apply a high-quality exterior acrylic latex or urethane paint. For stained finishes, use a gel stain followed by a polyurethane topcoat. The door does not need to be stripped or sanded down to bare fiberglass unless the original finish is severely degraded.

Aluminum 6′ Doors — Thermal Performance and Structural Strength

Aluminum doors use extruded frames with thermal-break technology — polyamide strips that separate the interior and exterior aluminum sections. This prevents thermal transfer through the frame.

For 6-foot wide openings, aluminum offers significant advantages:

• Structural rigidity: Aluminum extrusions maintain their shape over large spans without bowing
• Coastal resistance: Aluminum does not rust, making it ideal for salt-air environments
• Slim sightlines: Thin frames maximize glass area for natural light
• Multi-chamber profiles: Insulated frames with 3–5 chambers achieve U-factors below 0.30

The main consideration with aluminum is thermal performance. A single aluminum door without thermal break will conduct heat readily. Thermal-break construction is essential for any climate with significant heating or cooling loads. Weight is also a factor — a 6’0″ aluminum door panel can weigh 150–200 pounds, requiring heavy-duty hinges and careful installation.

Solid Wood 6′ Doors — Traditional Aesthetics

Solid wood remains the choice for high-end residential and historic renovation projects. Common species include mahogany, oak, walnut, and teak.

For 6-foot widths, wood doors require careful engineering:

• Stile-and-rail construction is preferred over solid core. The frame-and-panel design allows for natural wood movement without warping.
• Moisture content must be controlled to 8–12% before assembly. Wood that is too wet will shrink and crack; wood that is too dry will expand and bind.
• Internal reinforcement is often needed for 6’0″ singles. A steel channel inside the lock edge prevents bowing.

Wood doors demand the most maintenance. They should be refinished every 2–3 years with a penetrating oil or exterior polyurethane. They are best suited for covered entries that are protected from direct rain and prolonged UV exposure.

Cost Comparison for B2B Buyers

Material	Wholesale Price Range (per unit)	Lifespan	Maintenance	Best For
Steel	$150 – $350	15–25 years	Low	Budget projects, security
Fiberglass	$350 – $900	30+ years	Low	Best overall value
Aluminum (thermal-break)	$500 – $1,200	30+ years	Low	Coastal, high-wind, wide spans
Solid Wood	$700 – $2,500	30–50 years	High	Historic, premium residential

What’s the cheapest exterior door? Steel is the lowest-cost option. A basic steel door slab can be purchased wholesale for $150–$250. However, for a 6’0″ wide opening, steel panels become heavy — a 6’0″ × 6’8″ steel door weighs over 120 pounds. This weight causes hinge strain and makes installation difficult. Fiberglass at roughly twice the cost of steel offers better dent resistance, three times the insulation value, and half the weight. For 6-foot openings, fiberglass is the best value-for-performance.

Glass, Hardware, and Customization Options

Glazing Options for 6′ Exterior Doors

The glass specification affects thermal performance, safety, and appearance. Standard options include:

• Double-glazed insulated glass (IGU): Two panes of glass (typically 5mm each) separated by a 12mm air gap. This is the minimum standard for exterior doors in most climates.
• Tempered glass: Heat-treated to shatter into small, dull fragments instead of sharp shards. Required by code in most jurisdictions for door glazing.
• Laminated glass: Two panes bonded with a PVB interlayer. Holds together when shattered. Required for hurricane-rated and security applications.
• Low-E coatings: A microscopically thin metallic layer that reflects heat while transmitting light. Reduces solar heat gain by up to 70% in summer.
• Impact-rated glazing: Meets ASTM E1886/E1996 and TAS 201 standards for hurricane zones. Uses laminated glass with a special frame anchoring system.

For 6-foot doors, the glazing area is significant — potentially 20–40 square feet. This means the glass specification has a major impact on the door’s overall U-factor and structural performance. A buyer in Miami needs different glazing than a buyer in Minneapolis.

Hardware for Wide Doors

A 6’0″ wide door is not simply a scaled-up version of a 36-inch door. The hardware requirements are fundamentally different:

• Multi-point locking systems: A 6’0″ single door MUST have locks at multiple points — typically at the top, bottom, and middle. This prevents the lock edge from bowing and ensures a weather-tight seal.
• Hinge count: A 6’0″ door over 100 pounds needs a minimum of 4 hinges, spaced at 8″ from the top, 10″ from the bottom, and evenly distributed between. Standard 36″ doors use 3 hinges.
• Pivot hinges vs. butt hinges: Pivot hinges distribute weight across the top and bottom of the door, reducing stress on the jamb. They are recommended for doors over 150 pounds.
• Handle sets: Lever handles are preferred for commercial applications. For 6’0″ doors, you will typically need a lever with a multi-point lock mechanism rather than a simple knob.

Customization Flexibility

A 6-foot door is rarely a catalog item. Most projects require some level of customization:

• Non-standard heights: 7’0″ and 8’0″ heights are common requests. A 6’0″ × 8’0″ door has 48 square feet of surface area — the engineering must account for the increased wind load.
• Color matching: Powder-coated aluminum can match any RAL color. Fiberglass doors can be factory-finished in any wood tone or custom color. Wood doors can be stained to match interior trim.
• Sidelite and transom combinations: A 6’0″ door with sidelites (narrow windows on either side) and a transom (window above) creates a grand entry. These combinations require precise integration to maintain structural integrity.
• ADA compliance: For commercial projects, a 6’0″ opening must provide a minimum 32″ clear passage when one door is open. This means a standard double-door pair (two 36″ doors) does NOT meet ADA requirements — you need at least one door leaf wide enough to provide 32″ of clearance. The door must also have proper lever handles and closing speed.

Buying a 6-Foot Exterior Door Without the Frame

Yes, you can buy a slab-only door — the door panel without the frame, hinges, or hardware. This is common when replacing an existing door in a sound frame.

Slab-only makes sense when:

• The existing frame, jamb, and threshold are in good condition
• You are matching an existing door style
• You want to install the hardware yourself

Pre-hung makes sense when:

• You are building new construction
• The existing frame is damaged or out-of-square
• You want the factory to install the hinges and lock prep

For a 6-foot door, slab-only installation is more complex than a standard 36-inch door. The slab is heavier, the alignment tolerance is tighter, and the hardware prep is more involved. Most buyers should specify pre-hung unless they have a specific reason not to.

When ordering slab-only, you must specify:

• Handing: Left-hand or right-hand inswing (standing outside, facing the door)
• Edge machining: Beveled edges (typically 3°), hinge prep, and lock bore
• Factory finish vs. field finish: Factory finishing costs more but provides a superior, warranty-backed surface
• Thickness: Exterior doors are typically 1-3/4″ thick

Building Codes, Wind Load, and Performance Testing

Wide doors face stricter structural requirements than standard-width doors. The same wind pressure on a 6’0″ door creates roughly double the total load of a 3’0″ door.

Key Performance Standards

Standard	Test	What It Measures
ASTM E330	Structural wind load	Deflection and permanent deformation under wind pressure
ASTM E283	Air infiltration	Amount of air leaking through the closed door
ASTM E547	Water penetration	Resistance to water leakage under wind-driven rain
AAMA/WDMA/CSA 101/I.S.2/A440	North American standard	Comprehensive performance specification for windows and doors
NFRC 100	U-factor	Thermal transmittance (lower is better)
NFRC 200	SHGC	Solar Heat Gain Coefficient

Why 6’0″ Wide Doors Need Special Engineering

The width-to-height ratio of a 6’0″ door is close to 1:1. This creates flex that a narrow door does not experience. Under wind load, the center of the door panel wants to bow inward or outward. This movement:

• Breaks the weather seal at the perimeter
• Stresses the lock mechanism
• Causes the hinges to work loose over time

Reinforcement is mandatory for 6’0″ doors:

• Internal stiffeners: Steel or aluminum channels running vertically through the door core, particularly at the lock edge and hinge edge
• Multi-point locking: Distributes the locking force across the full height of the door, preventing the lock edge from flexing
• Heavy-duty hinges: 4–5 hinges with larger bearing surfaces

For hurricane zones, a 6’0″ door must meet the same impact and pressure requirements as a standard door — but the larger surface area means the test loads are higher. Impact-rated 6’0″ doors are available but require substantial reinforcement and specially rated glazing.

Energy Performance Expectations

ENERGY STAR climate zone requirements for exterior doors:

Climate Zone	Maximum U-Factor	Maximum SHGC
Northern	0.30	Any
North-Central	0.30	0.40
South-Central	0.30	0.25
Southern	0.40	0.25

A 6’0″ door with a full glass panel will struggle to meet a U-factor of 0.30. The glass is the thermal weak point. Buyers in cold climates should specify:

• Low-E coating with a warm-edge spacer (not aluminum)
• Argon or krypton gas fill between panes
• A door panel with minimal glazing (or a solid panel with a separate sidelite for light)

Air infiltration should not exceed 0.30 cfm per square foot. For a 6’0″ door, this means the perimeter seal must be near-perfect. Look for doors with:

• Compression weatherstripping on all four sides
• Adjustable thresholds that seal tightly against the door bottom
• Multi-point locks that pull the door evenly into the frame

How to Evaluate 6-Foot Exterior Door Suppliers

A 6-foot door is not a commodity product. The difference between a well-engineered unit and a poorly built one becomes apparent within the first year — in the form of air leaks, sticking, and hardware failure. Here is a procurement framework for evaluating suppliers.

Step 1: Define Your Specification in Writing

Before contacting any supplier, create a detailed spec sheet:

• Door size (width × height × thickness)
• Material (fiberglass, aluminum, wood)
• Configuration (single, double, French, sliding)
• Glazing specification (glass type, coating, gas fill)
• Hardware requirements (locking system, hinge type, handle style)
• Performance rating needed (U-factor, SHGC, wind load PSF)
• Finish (color, stain, paint)
• Quantity and delivery schedule
• Target unit price (including freight)

Step 2: Evaluate the Supplier’s Technical Capability

Ask these questions directly:

• “Can you provide test reports for your 6’0″ door models under ASTM E330, E283, and E547?” — A legitimate manufacturer will have these or will be willing to test. A trading company will not.
• “What is the internal reinforcement in your 6’0″ door?” — The answer should be specific: steel channel at the lock edge, fiberglass-composite frame, etc. Vague answers indicate a lack of engineering depth.
• “What is your tolerance for door squareness and twist?” — Industry tolerance is ±1/16″ for width and height, and no more than 1/8″ twist. Tighter is better.
• “Can you adjust the profile structure to meet our local building code?” — This is critical for international buyers. Building codes vary significantly between jurisdictions.

Step 3: Request Samples and Test Reports

Do not rely on photos or videos. Request:

• A physical sample (or a detailed video walkthrough with a tape measure visible)
• Performance test reports from an accredited third-party laboratory
• References from other B2B buyers in your market

Step 4: Verify Manufacturing Capability

Ask for a factory audit or video tour. Look for:

• CNC machining centers for consistent door frame production
• Temperature-controlled finishing areas (especially for wood and fiberglass work)
• In-process quality checkpoints, not just final inspection
• A dedicated QC team that is separate from the production team

Step 5: Check Export Documentation Capability

For international buyers, the supplier must be able to provide:

• Packing list (with container loading details)
• Proforma invoice (for payment and customs)
• Full customs documentation (bill of lading, certificate of origin, etc.)
• Any additional certifications required by your country (CE, ASTM, etc.)

Red Flags: Avoid Suppliers Who…

• Cannot provide test reports: If they cannot show third-party performance data, the product does not meet the claimed standards.
• Quote significantly below market rate: A 6-foot door has real material costs. If the quote is 30% below competitors, corners were cut.
• Have no quality control process: Ask about their inspection procedures. “We check every door” is not a process. Ask for specifics: What tools? What measurements? What pass/fail criteria?
• Do not understand your market’s building codes: A supplier who asks about your local codes and adjusts their product accordingly is an engineer. A supplier who says “our product meets all standards” without asking is a salesperson.

Questions to Ask Before Ordering

• What is the MOQ for a custom 6’0″ door order?
• What is the production lead time for my quantity?
• How is the door packed for shipment? (Individual crating vs. bulk packing affects damage risk)
• What is the warranty period and what does it cover?
• What happens if a door arrives damaged? (Replacement policy)
• Can you provide a pre-shipment inspection report with photos?
• What is the door’s weight? (This affects shipping cost and installation labor)
• Are hinges and hardware included or extra?
• What is the threshold height? (This affects accessibility compliance)
• Can you match a specific color or finish sample?

Decision Guide: Which Sourcing Model Is Right?

Choose a domestic distributor if:

• You need doors within 1–2 weeks
• You are ordering fewer than 10 units
• You need local installation support
• You are willing to pay a 20–40% premium over factory pricing

Choose an overseas factory-direct supplier if:

• You are ordering 20+ units (container quantities)
• You have a 4–8 week lead time window
• You can manage customs clearance (or work with a freight forwarder)
• You want the lowest unit cost without sacrificing quality
• You are willing to invest time in supplier qualification

Choose an OEM/ODM partnership if:

• You want custom profiles, colors, or hardware that are not standard
• You want your own private label on the product
• You are a distributor or builder who needs consistent bulk supply
• You need the factory to adjust the product to meet local building codes

Our Door Manufacturing Capabilities

The standards discussed above are not theoretical — they are the basis of how we operate at Jusen Door and Windows Manufacturing Co., Ltd. As a factory-direct supplier of 6-foot exterior doors, our approach is to meet these performance requirements while eliminating the middleman markup that inflates distributor pricing.

Direct Supply and Price Transparency

We are a manufacturing factory, not a trading company. Our pricing reflects actual material, labor, and overhead costs — not reseller margins. For B2B buyers purchasing 6-foot exterior doors in volume, this translates into transparent tiered pricing that improves as your order quantity increases.

When you request a quote, you are talking directly to the production team that will make your doors. This means:

• No miscommunication through a sales intermediary
• Accurate answers about customization feasibility
• Realistic lead times based on current factory capacity
• Direct access to technical documentation and test data

Full Customization on 6′ Door Projects

Every project has unique requirements. Our manufacturing setup is designed for flexibility:

• Custom sizes: Beyond standard 6’0″ × 6’8″, we produce doors up to 8’0″ in height and can accommodate non-standard widths on request
• Material options: Thermal-break aluminum, solid wood (mahogany, oak, walnut), and aluminum alloy entrance doors
• Color matching: Any RAL color for aluminum, custom stains for wood, and factory-applied finishes for fiberglass
• Glass options: Double-glazed IGU, Low-E coatings, laminated glass, tempered glass, and impact-rated glazing for hurricane zones
• Hardware integration: Multi-point locking systems, pivot hinges, and handle sets from leading brands or our own OEM line

Quality Control and Compliance

Our production process includes strict pre-shipment inspection for every batch of 6-foot doors:

• Air-tightness testing per ASTM E283 — we measure air leakage through the closed door assembly
• Water-tightness testing per ASTM E547 — we simulate wind-driven rain conditions
• Wind resistance testing per ASTM E330 — we verify the door’s structural integrity under design wind loads

Our profile structures and fittings are adjustable to match local building codes in your target market. We work with international buyers to understand their local requirements — whether that is hurricane impact ratings for Florida, thermal performance for northern Europe, or accessibility standards for public buildings.

Export and Logistics Support

We have extensive experience with international trade and provide complete export documentation:

• Packing list with container loading details
• Proforma invoice for payment processing
• Full customs documentation (bill of lading, certificate of origin, commercial invoice)
• FCL (Full Container Load) and LCL (Less than Container Load) shipping options

Our factory ships directly to your destination port. We help you plan container loading to minimize freight cost per door.

Our Product Range for 6-Foot Exterior Doors

• Thermal-break aluminum doors (casement, sliding, folding)
• Solid wood doors (mahogany, oak, engineered wood)
• Aluminum alloy entrance doors
• Custom villa doors and windows
• Sunrooms and system windows
• OEM, ODM, private label, and construction project bulk supply

Production Process: From Raw Material to Finished Door

Understanding how a 6-foot door is made helps you evaluate supplier claims. Here is the process we follow:

Step 1: Material Selection and Inspection

Aluminum profiles are inspected for surface defects and dimensional accuracy. Wood is checked for moisture content (8–12%) and grain consistency. Fiberglass skins are verified for uniform thickness.

Step 2: CNC Machining

Aluminum profiles are cut to length and machined on CNC centers. This ensures precise angles for corner joints — critical for a 6-foot door where any misalignment shows up as a visible gap. Holes for hinges and lock hardware are drilled with CNC accuracy.

Step 3: Frame Assembly

Thermal-break aluminum frames are assembled by inserting polyamide strips and crimping the profile together. Wood frames use mortise-and-tenon joints with waterproof adhesive. The door panel is assembled with internal reinforcement — steel or aluminum channels at the lock edge.

Step 4: Glazing and Sealing

Glass units are installed with setting blocks and gaskets. The perimeter is sealed with structural silicone or compression gaskets. For 6-foot doors, the glazing must be centered precisely to prevent stress points.

Step 5: Hardware Installation

Hinges, locks, and handles are installed. Multi-point locking systems are adjusted so the door closes with even pressure across the full height.

Step 6: Surface Finishing

Aluminum doors are powder-coated or anodized. Wood doors are sanded and finished with multiple coats of exterior-grade polyurethane. Fiberglass doors receive a factory-applied gel coat finish.

Step 7: Final Inspection

Each door is checked for:

• Dimensional accuracy (±1/16″ tolerance)
• Squareness (diagonal measurement within 1/8″)
• Hardware function (all locks engage smoothly)
• Weather seal integrity
• Surface finish quality

Quality Control: Our Multi-Stage Inspection Process

Quality control is not a single check at the end of production. It is built into every stage:

Incoming materials: Aluminum profiles, glass, hardware, and finishing materials are verified against spec. Suppliers are audited annually.

In-process checks: Dimensional measurements are taken at each production stage. Any deviation beyond tolerance is flagged and corrected before moving forward.

Final assembly inspection: The assembled door is checked for squareness, flatness, and twist. Hardware is tested for smooth operation.

Performance testing: Sample doors from each production batch undergo air-tightness, water-tightness, and wind resistance testing. The test results are documented and available to buyers.

Pre-shipment inspection: Before loading into the container, every door is checked against the packing list. Photos are taken for the buyer’s records. This is the final gate before shipment.

Certifications and Industry Standards

Our manufacturing processes and quality management systems align with international standards:

• ISO 9001:2015 — Quality management system certification for consistent production quality
• CE marking — Conformity with European health, safety, and environmental protection standards
• ASTM compliance — Doors are tested to meet ASTM E330, E283, and E547 performance standards

We provide test reports and certification documentation to buyers who need them for project approvals or building permit applications.

Ordering Process: MOQ, Lead Time, and Shipping

For B2B buyers, the ordering process is straightforward:

Step 1: Submit Your Specification

Send us your door size, material preference, quantity, and delivery destination. Include any building code requirements for your market.

Step 2: Receive a Detailed Quote

You will receive a quotation with unit pricing, production lead time, and shipping options. For custom projects, we may request additional details or provide engineering recommendations.

Step 3: Approve Samples or Drawings

For custom designs, we provide production drawings for approval. Sample doors can be produced for your evaluation before full production begins.

Step 4: Production

Standard production lead time is 2–4 weeks depending on quantity and complexity. We will provide a production schedule and progress updates.

Step 5: Pre-Shipment Inspection

We conduct the pre-shipment inspection and provide you with a report, including photos. You can also arrange for a third-party inspection if required.

Step 6: Shipping

We handle export documentation and arrange shipment. Options include FCL (20ft or 40ft container) and LCL for smaller orders. Incoterms are flexible — FOB, CIF, or EXW as agreed.

MOQ: Our MOQ is 20 units for custom 6-foot doors. For standard sizes, we can accommodate smaller trial orders.

Lead Time: Production typically takes 2–4 weeks. Shipping to major ports takes 3–5 weeks depending on destination.

Payment Terms: Standard terms are 30% deposit with the balance before shipment. For established relationships, we can discuss open account terms.

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Choose a factory-direct supplier if you want the lowest unit cost, direct technical communication, and the ability to customize your 6-foot doors to meet local building codes. Choose a domestic distributor if you need doors within a week and are willing to pay a premium for convenience. Choose an OEM/ODM partnership if you are building a brand and need consistent bulk supply with your own labeling.

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Ready to discuss your 6-foot exterior door requirements? Send us your project details — door size, material preference, quantity, and delivery destination. Our team will respond with a detailed quotation, including performance test data and shipping options.

Get a Free Quote

References

• ASTM E330/E330M-14, “Standard Test Method for Structural Performance of Exterior Windows, Skylights, Doors and Curtain Walls by Uniform Static Air Pressure Difference,” ASTM International. https://www.astm.org/e0330_e0330m-14.html
• ASTM E283-19, “Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Skylights, and Doors Under Specified Pressure Differences Across the Specimen,” ASTM International. https://www.astm.org/e0283-19.html
• ASTM E547-19, “Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference,” ASTM International. https://www.astm.org/e0547-19.html
• AAMA/WDMA/CSA 101/I.S.2/A440-17, “North American Fenestration Standard/Specification for Windows, Doors, and Skylights.” https://www.aamanet.org/
• ENERGY STAR Program Requirements for Residential Windows, Doors, and Skylights, Version 7.0. https://www.energystar.gov/products/windows_doors_skylights
• NFRC 100-2023, “Procedure for Determining Fenestration Product U-factors,” National Fenestration Rating Council. https://www.nfrc.org/
• ISO 9001:2015, “Quality management systems — Requirements,” International Organization for Standardization. https://www.iso.org/standard/62085.html