Industrial Doors · Manufacturer since 1999

Extreme Cold Storage Industrial Door

Q: Can extreme cold doors withstand washdown?

Yes. IP65 sealed motor housing, heated motor housing prevents freezing. Cold-rated materials withstand thermal shock.

-50°C Operation · Up to 1 m/s CE · EN 13241 Full technical drawings

Extreme Cold Storage Industrial Door — RAX Door Technology

01 · Overview

Built for Extreme Cold Environments

Extreme cold storage industrial doors are engineered for freezer and deep-freeze environments where standard doors would fail. Unlike standard industrial doors that become brittle and crack at low temperatures, extreme cold storage doors use specialized materials and heating systems that maintain flexibility and operation down to -50°C.

RAX manufactures extreme cold storage industrial doors with cold-rated curtain materials, heated bottom seals to prevent ice buildup, anti-condensation coatings, and cold-rated motor components. Opening speeds up to 1 m/s minimize cold air loss during each opening cycle. Wind resistance rated to Class 3 (700 N/m²) with reinforced construction.

These doors are essential for deep-freeze storage facilities (-25°C to -50°C), blast freezers, ice cream storage, pharmaceutical cold chain, and any environment where extreme cold would damage standard door components.

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02 · Key Features

Engineered for Extreme Cold

Cold-Rated Curtain Materials

Specialized rubber or elastomer curtains maintain flexibility at -50°C. Unlike standard PVC that becomes brittle and cracks, cold-rated materials resist thermal shock and maintain seal integrity.

Heated Bottom Seals

Electric heating elements in bottom seals prevent ice buildup and freezing to floor. Critical for maintaining seal integrity in deep-freeze environments. Prevents door from freezing shut.

Anti-Condensation Coatings

Special coatings prevent condensation and ice formation on door surfaces. Maintains visibility and prevents ice accumulation that could damage door components.

Cold-Rated Motor Components

Motor and control system components rated for extreme cold operation. Sealed housing (IP65) protects against moisture ingress. Heated motor housing prevents freezing.

High-Speed Operation

Opening speeds up to 1 m/s with servo motor drive. Frequency converter for smooth acceleration/deceleration. Minimizes cold air loss during each opening cycle.

Multi-Layer Insulation

Thick insulated panels (50–80 mm) with high-density foam cores. U-value as low as 0.3 W/(m²·K). Minimizes heat transfer and energy loss in extreme cold environments.

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03 · Technical Data

Technical Specifications

Photocells, pressure-sensitive bottom edge, emergency stop

CE EN 13241 / EN 12453 (held); ISO 9001:2015; SGS material reports

Custom engineered to your opening size and temperature requirements

Product	Extreme Cold Storage Industrial Door (also: Deep Freeze Door · Blast Freezer Door)
Category	Industrial Doors
Temperature range	-50°C to +50°C (standard); -60°C to +60°C (extreme variants)
Curtain material	Cold-rated rubber or elastomer (flexible at -50°C)
Panel insulation	50–80 mm high-density foam (U-value ~0.3 W/m²·K)
Bottom seal	Heated bottom seal (prevents ice buildup)
Motor protection	IP65 sealed housing with heated motor housing
Opening speed	Up to 1 m/s (adjustable)
Closing speed	Up to 0.8 m/s (adjustable)
Motor type	Servo motor with frequency converter (cold-rated)
Wind resistance	Class 3 (700 N/m²) per EN 12424
Width range	1,500–6,000 mm (custom)
Height range	1,500–6,000 mm (custom)
Safety features
Certification
Order

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04 · Applications

Where Extreme Cold Doors Excel

Deep-Freeze Storage (-25°C to -50°C)

Long-term frozen food storage facilities. Cold-rated materials maintain flexibility. Heated bottom seals prevent ice buildup. Fast operation minimizes cold air loss.

Blast Freezers

Rapid freezing facilities for food processing. Extreme temperature differentials require specialized door construction. Fast operation supports production throughput.

Ice Cream Storage

Ice cream requires storage at -30°C or lower. Extreme cold doors maintain temperature stability. Fast operation minimizes temperature fluctuation during access.

Pharmaceutical Cold Chain

Vaccine and biologic storage at -40°C to -80°C. Extreme cold doors maintain temperature stability. Fast operation supports cold chain integrity.

Industrial Gas Storage

Liquid nitrogen and industrial gas storage at extreme cold temperatures. Specialized materials resist thermal shock. Fast operation supports industrial processes.

Seafood Processing

Seafood freezing and storage at -40°C. Extreme cold doors withstand frequent washdown. Hygienic design meets food safety standards.

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05 · Customization

OEM / ODM & Customization

RAX supports full private-label production of the Extreme Cold Storage Industrial Door: custom temperature rating, curtain material, heating configuration, motor specification, control system programming, 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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06 · Compliance

Applicable Standards

EN 13241:2003+A2:2016

Core CE product standard for industrial, commercial, and garage doors. Covers both manual and powered doors. Requires Declaration of Performance (DoP) under CPR 305/2011.

EN 12453:2001

Safety requirements for powered doors. Specifies force limiting, safety devices, and control system requirements.

EN 12424:2000

Wind load resistance classification. Defines Classes 0–5. Extreme cold storage doors typically achieve Class 3 (700 N/m²).

CE Marking

Mandatory for export to EU/UK markets. RAX provides CE technical file and Declaration of Performance with every shipment.

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07 · Why RAX

Why Buyers Choose RAX for Extreme Cold Doors

27-year zero-leak track record — 5,000+ overseas projects delivered since 1999, with no leakage complaints on door bodies
Extreme cold operation — cold-rated materials maintain flexibility down to -50°C
Heated bottom seals — prevent ice buildup and freezing to floor
Anti-condensation coatings — prevent ice formation on door surfaces
Deep customization — every door engineered to your exact size, specification, and temperature requirements
Full documentation package — English installation manual, wiring diagrams, CE technical file

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What temperature range do extreme cold doors support?

Standard variants operate from -50°C to +50°C. Extreme variants support -60°C to +60°C. Cold-rated materials maintain flexibility and seal integrity at extreme temperatures.

How do heated bottom seals work?

Electric heating elements in bottom seals prevent ice buildup and freezing to floor. Critical for maintaining seal integrity in deep-freeze environments. Prevents door from freezing shut.

What makes curtain materials “cold-rated”?

Specialized rubber or elastomer formulations maintain flexibility at -50°C. Unlike standard PVC that becomes brittle and cracks, cold-rated materials resist thermal shock and maintain seal integrity.

Can extreme cold doors withstand washdown?

Yes. IP65 sealed motor housing protects against water ingress. Heated motor housing prevents freezing. Cold-rated materials withstand thermal shock from washdown.

Do you provide installation?

No — RAX is a pure manufacturer. Doors ship with English installation manuals, wiring diagrams, and remote support.

What is the lead time and warranty?

Standard configurations: 12–20 days. Custom first order: 20–35 days. Repeat orders: 15–20 days. Warranty: curtain 10 years, motor and control 5 years.

09 · Get Started

Get Your Extreme Cold Storage Industrial Door Proposal

Send your opening size, temperature range, and application type — we reply with a specification, lead time, and quote.

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