Sectional Doors · Manufacturer since 1999

Rust Proof Sectional Door

Q: Can standard sectional doors be upgraded for corrosion resistance?

Coastal upgrade packs include marine-grade hardware and SS316 cables. However, if base panels are standard steel, upgrading hardware alone provides limited protection. For areas within 1,500 meters of saltwater, consider aluminum or stainless steel panels from the start.

Q: How do rust-proof doors compare in cost to standard doors?

Rust-proof doors carry a 30–80% premium over standard sectional doors. However, in corrosive environments, they last 15–20 years vs. 5–10 years for standard doors, offering better total cost of ownership.

Q: What maintenance is required for rust-proof doors in marine environments?

Monthly fresh water rinse to remove salt deposits. Annual lubrication of moving parts. Self-cleaning designs and sealed housings reduce maintenance frequency. Avoid abrasive cleaners that can damage protective coatings.

Marine Grade Protection CE · EN 13241 Full technical drawings

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Rust Proof Sectional Door — RAX Door Technology

01 · Overview

Built for Corrosive Environments

Rust proof sectional doors are engineered for environments where standard steel doors would quickly deteriorate — coastal areas within 1,500 meters of saltwater, ports and shipyards, food processing plants, pharmaceutical clean rooms, chemical facilities, and swimming pool enclosures. These doors use corrosion-resistant panel materials (aluminum, stainless steel, or galvanized steel with marine-grade coating) and stainless steel hardware to withstand salt spray, humidity, and chemical exposure.

RAX manufactures rust proof sectional doors with 40–50 mm PU foam insulated panels, available in aluminum (naturally rust-proof), stainless steel SS304/SS316 (highest corrosion resistance), or galvanized steel with marine-grade powder coating (cost-effective solution). All hardware — tracks, hinges, rollers, springs, and cables — uses SS304 or SS316 stainless steel rated for 1,000–3,000 hours NSS salt spray testing per ASTM B117 or ISO 9227. EPDM perimeter seals prevent moisture and salt ingress into the panel core.

Rust proof doors are essential for any facility where corrosion would compromise door function, safety, or appearance. While they carry a 30–80% premium over standard sectional doors, they significantly reduce maintenance costs and replacement frequency, offering better total cost of ownership over 15–20 years in corrosive environments.

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02 · Key Features

Corrosion Protection at Every Level

Panel Material Options

Aluminum: naturally rust-proof, lightweight, ideal for coastal residential. Stainless Steel SS304/SS316: highest corrosion resistance for industrial settings. Galvanized Steel + Marine Powder Coating: cost-effective solution with adequate protection for moderate coastal exposure.

Stainless Steel Hardware

All tracks, hinges, rollers, springs, and cables use SS304 or SS316 stainless steel. SS316 offers superior pitting resistance (PREN >24) for severe marine environments. Hardware rated for 1,000–3,000 hours NSS salt spray testing.

Marine-Grade Coating

Hot-dip galvanized substrate + electrostatic polyester powder coating. Marine-grade powdercoat specifically formulated for environments within 1,500 meters of saltwater. Anodized aluminum option for enhanced oxide layer protection.

EPDM Perimeter Seals

Full-perimeter EPDM rubber seals prevent moisture and salt spray ingress into the panel core. Seals rated for -40°C to +120°C operating temperature. Critical for maintaining insulation performance and preventing internal corrosion.

Self-Cleaning Design

Sealed housings on moving parts prevent salt accumulation inside mechanisms. Nylon brush seals on track edges reduce salt ingress. Self-cleaning geometry minimizes maintenance frequency in marine environments.

Salt Spray Certified

All components tested per ASTM B117 or ISO 9227. Hardware rated 1,000+ hours NSS for coastal applications; 3,000 hours NSS for severe marine (C5-M per ISO 12944-2). Third-party test certificates provided with shipment.

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03 · Technical Data

Technical Specifications

Product	Rust Proof Sectional Door (also: Corrosion Resistant Sectional Door · Marine Grade Sectional Door · Stainless Steel Sectional Door)
Category	Sectional Doors
Panel material options	Aluminum (naturally rust-proof) / Stainless Steel SS304/SS316 / Galvanized Steel + Marine Powder Coating
Panel thickness	40 mm or 50 mm PU foam core
Steel skin thickness	0.326–0.5 mm (galvanized); 0.6 mm (aluminum)
Hardware material	SS304 or SS316 stainless steel (tracks, hinges, rollers, springs, cables)
Salt spray rating	1,000+ hours NSS (coastal); 3,000 hours NSS (severe marine C5-M)
Coating system	Hot-dip galvanized + electrostatic polyester powder coating / Anodized aluminum
Seals	EPDM perimeter seals (-40°C to +120°C)
Corrosion standards	ASTM B117 / ISO 9227 (salt spray); ISO 12944-2 (corrosivity classification C1–C5)
PREN (pitting resistance)	>24 for SS316 hardware
Wind resistance	Up to 700 N/m² (Class 3 EN 12424)
Certification	CE EN 13241 / EN 12453 (held); ISO 9001:2015; SGS material reports
Order	Custom engineered to your size and corrosion environment specification

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04 · Applications

Where Rust Proof Doors Are Essential

Coastal Residential & Commercial

Buildings within 1,500 meters of saltwater face constant salt spray and humidity. Standard steel doors may show rust within 18 months. Aluminum or marine-grade coated doors resist corrosion for 15–20 years with minimal maintenance (monthly fresh water rinse).

Ports, Shipyards & Offshore Platforms

Severe marine environments (C5-M per ISO 12944) require 3,000-hour NSS rated components. Stainless steel SS316 hardware with PREN >24 resists pitting corrosion from saltwater exposure. Essential for cargo ports, naval facilities, and offshore oil platforms.

Food Processing Plants

Stainless steel SS304/SS316 panels meet hygiene standards for food-grade environments. Resistant to caustic cleaning chemicals, high-pressure washdown, and temperature fluctuations. Easy to clean and maintain.

Pharmaceutical Clean Rooms

Stainless steel construction with EPDM seals prevents contamination ingress. Smooth, non-porous surface resists bacterial growth. Compatible with clean room classification requirements (ISO 14644).

Chemical Facilities

Resistant to acidic and alkaline chemical exposure. Stainless steel or specialized coating systems protect against chemical splashes and vapor corrosion. Critical for safety in hazardous environments.

Swimming Pools & High Humidity

Chlorine vapor and constant humidity accelerate corrosion of standard steel. Aluminum or stainless steel doors resist chemical corrosion. EPDM seals prevent moisture ingress into panel core.

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05 · Rust Proof vs. Standard

Choosing the Right Door for Your Environment

Feature	Rust Proof Door	Standard Door
Panel material	Aluminum / SS304/SS316 / Galvanized + marine coating	Cold-rolled steel + standard coating
Hardware	SS304/SS316 stainless steel	Galvanized steel
Salt spray rating	1,000–3,000 hours NSS	200–500 hours NSS
Suitable environment	Coastal, chemical, food-grade, marine	General residential/commercial
Maintenance frequency	Low (monthly fresh water rinse)	Moderate (quarterly inspection)
Expected lifespan (coastal)	15–20 years	5–10 years
Cost premium	30–80% over standard	Baseline price
Total cost of ownership	Lower over 15–20 years in corrosive environments	Higher due to replacement frequency

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06 · Customization

OEM / ODM & Customization

RAX supports full private-label production of the Rust Proof Sectional Door: custom panel material (aluminum/SS304/SS316), RAL color matching, operator matching, packaging printing and installation-manual translation (EN/ES/FR/AR/RU). Start with an OEM sample and scale to container-load branded production. Custom molds and tooling records are archived for up to 5 years — no extra tooling fee on repeat orders, all under strict NDA.

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07 · Compliance

Applicable Standards

ASTM B117 / ISO 9227

Standard salt spray (fog) testing methods. Uses 5% NaCl solution at 35°C ±2°C. Test durations from 24 hours (basic screening) to 3,000+ hours (heavy-duty verification). Records “time to first rust” and “percentage of rusted area.”

ISO 12944-2

Corrosivity classification for steel structures. Defines categories C1 (very low) to C5-M (very high, marine). C5-M requires 3,000-hour NSS rated components for coastal and offshore applications.

EN 13241:2003+A2:2016

Core CE product standard for industrial, commercial, and garage doors. Requires Declaration of Performance (DoP) under CPR 305/2011. Defines performance characteristics including mechanical strength and durability.

PREN (Pitting Resistance)

Pitting Resistance Equivalent Number evaluates stainless steel resistance to localized corrosion. PREN >24 required for SS316 in severe marine environments. Calculated from chromium, molybdenum, and nitrogen content.

CE Marking

Mandatory for export to EU/UK markets. Indicates compliance with EN 13241 and CPR 305/2011. RAX provides CE technical file and Declaration of Performance with every shipment.

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08 · Why RAX

Why Buyers Choose RAX for Rust Proof Doors

27-year zero-leak track record — 5,000+ overseas projects delivered since 1999, with no leakage complaints on door bodies
Full corrosion protection system — panel material + hardware + coating + seals all rated for your specific environment (C1–C5-M)
Third-party salt spray certified — 1,000–3,000 hours NSS test reports per ASTM B117 or ISO 9227 provided with every shipment
Stainless steel hardware standard — SS304/SS316 tracks, hinges, rollers, springs, and cables; no painted or plated steel that will chip and rust
EPDM perimeter seals — prevent moisture and salt ingress into panel core, maintaining insulation performance
Deep customization — every door engineered to your exact size, specification, and application requirements

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What materials are best for rust-proof doors in coastal areas?

Aluminum is naturally rust-proof and lightweight, making it the top choice for coastal residential. Stainless steel SS316 offers the highest corrosion resistance for industrial settings. For budget-conscious buyers, galvanized steel with marine-grade powder coating provides adequate protection at lower cost. For areas within 1,500 meters of saltwater, avoid standard steel panels.

What salt spray test rating should I look for?

For coastal installations, look for hardware rated at 1,000+ hours NSS (Neutral Salt Spray) per ASTM B117 or ISO 9227. For severe marine environments (ports, shipyards, offshore), specify 3,000-hour NSS rated components meeting C5-M marine-grade classification per ISO 12944-2. Request third-party test certificates, not just manufacturer claims.

Can standard sectional doors be upgraded for corrosion resistance?

Coastal upgrade packs typically include marine-grade powder-coated hardware, SS316 cables, and nylon brush seals. However, if the base panels are standard steel, upgrading hardware alone provides limited protection. For areas within 1,500 meters of saltwater, consider aluminum or stainless steel panels from the start. Upgrading panels is not possible after manufacturing.

How do rust-proof doors compare in cost to standard doors?

Rust-proof doors carry a premium of approximately 30–80% over standard sectional doors, depending on material choice. However, in corrosive environments, they significantly reduce maintenance costs and replacement frequency. Standard steel doors may need replacement in 5–10 years in coastal areas; rust-proof doors last 15–20 years, offering better total cost of ownership.

What maintenance is required for rust-proof doors in marine environments?

Regular washing with fresh water to remove salt deposits is essential (monthly for severe marine, quarterly for moderate coastal). Moving parts such as rollers and springs should be lubricated annually. Self-cleaning designs and sealed housings reduce maintenance frequency. Avoid abrasive cleaners that can damage protective coatings.

Do you provide installation?

No — RAX is a pure manufacturer. Doors ship with English installation manuals, wiring diagrams, and remote support. We recommend using a qualified local installer who can verify structural capacity and proper sealing of the frame to prevent water ingress.

What is the lead time and warranty?

Standard configurations: 12–20 days. Custom first order: 20–35 days. Repeat orders: 15–20 days. Warranty: panels 10 years, automation components 5 years. Warranty replacement parts shipped via DHL/FedEx in 5–7 days.

10 · Get Started

Get Your Rust Proof Sectional Door Proposal

Send your opening size, environment type (coastal distance from water, chemical exposure, humidity level), and preferred panel material — we reply with a specification, lead time, and quote.

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