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  • Door Seal

Door Seal

Waterproof Surface Finishing

Fully sealed PVC surface prevents moisture, dust, and air infiltration for temperature control and hygiene

Buffer Spring & Aluminum Profile

Integrated spring system with aluminum profile ensures consistent compression and long-lasting sealing

Cold Storage Performance

Premium PVC polymer maintains flexibility and sealing at temperatures from -30°C to +60°C

Universal Door Compatibility

Push and pull design integrates with cold storage, warehouse, workshop, and commercial doors

Category: Dock leveler & Door Seal
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Door Seal Dock Leveler

Kaiyisi Model DS Industrial Door Seal - The premier solution for cold storage, logistics loading platforms, and commercial facilities. Designed as a robust seal, it provides superior insulation against temperature loss, dust, and pests. Our dock door seal features a durable S-type profile with buffer springs, ensuring a tight barrier that enhances energy efficiency in any industrial environment.

Each unit can be fully customized to fit various door types, including swing, sliding, and rolling doors. Whether you need a seal for freezer rooms or a general-purpose option for workshops, our flexible PVC construction offers lasting performance and easy push-and-pull installation.

  • Premium PVC Polymer Material

    High-quality flexible material provides exceptional resilience and chemical resistance. This waterproof edge withstands temperatures from -30°C to +60°C, making it ideal for harsh industrial settings.

  • S-Type Sealing Design

    The modern S-shaped profile creates multiple contact points. It adapts to gap variations, ensuring a tighter seal than standard strips.

  • Buffer Spring & Aluminum Profile

    Precision-engineered buffer springs within the aluminum profile ensure consistent compression. This structure maintains integrity over thousands of cycles.

  • Easy Push & Pull Installation

    Simple integration with existing door systems. Requires no complex modifications, making it a cost-effective upgrade.

Kaiyisi Industrial PVC Door Seal

Industrial PVC Door Seal

Kaiyisi DS seals offer dependable sealing for industrial and commercial doors, widely used in cold storage, on logistics platforms, and in workshops. They effectively prevent energy loss, dust, moisture, and pests.

Made of high-quality PVC polymer combined with aluminum profiles and buffer springs, these seals maintain stable elasticity. The waterproof S-shaped structure achieves excellent edge and threshold sealing with superior durability.

Featuring simple push-pull installation, this gasket fits most existing doors without complicated alterations. It withstands frequent opening and closing cycles, making it an ideal energy-saving solution for high-traffic areas.

CE & EN ISO 12100 certified. The DS seal comes with a 3-year warranty, along with professional technical support, onsite installation, and training services.

Why Choose Kaiyisi Industrial Door Seals?

As a leading manufacturer, we combine direct factory access with global service standards. Our commitment to quality ensures you receive premium solutions tailored to your project needs.

Factory Direct

Sourced directly from our production lines, eliminating middlemen to guarantee authentic quality for every order.

Competitive Price

We offer market-leading prices, ensuring you get the best value compared to importing generic alternatives.

Fast Delivery

Our streamlined logistics enable rapid shipping for all orders, helping you meet tight project deadlines.

Technical Support

Our expert team provides comprehensive guidance for installation and upgrades, including online support and customized project solutions.

Safety and Protection Features

Non-Toxic PVC Material | Food-grade material is safe for use in food processing and cold storage environments without harmful chemical leaching.

Fire-Resistant Properties | PVC material meets fire safety standards, reducing flame spread risk in facilities.

Smooth Edge Design | Rounded edges and smooth surface finishing prevent injury during installation and daily operation.

Buffer Spring Protection | Integrated spring system prevents sudden door closure and reduces impact force on door frames.

Durable Construction | Long-lasting PVC and aluminum materials resist degradation, cracking, and deformation.

Easy Maintenance | Simple cleaning and inspection procedures ensure seals remain effective and safe.

Premium Custom Door Seal Solutions

1. Industrial-Grade PVC Material: Premium polymer construction withstands heavy daily use.

2. Proven Sealing Performance: S-type design with buffer spring delivers consistent, reliable sealing.

3. Waterproof & Weather-Resistant: Fully sealed surface protects against moisture and air infiltration.

4. Easy Push & Pull Installation: Simple integration with existing door systems requires no complex modifications.

5. International Certifications: EN ISO 12100 and CE certified for quality, safety, and performance assurance.

6. Complete Project Solutions: From single strips to full projects, we provide total solution support.

Application Scenarios

Ideal for various industrial environments requiring efficient isolation and protection.

Door Seal

Retail & Commercial

Stable and safe cargo passage improves loading efficiency,reducing vehicle waiting time for commercial logistics and delivery terminals.

Door Seal

Warehouses & Distribution

High load capacity hydraulic dock levelers enable continuous forklift loading and unloading,supporting high-frequency logistics turnover at busy distribution loading bays.

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15 Years of Dedicated Craftsmanship

Leveraging over a decade of expertise to deliver superior industrial door solutions.

FACTORY DIRECT

Modern Manufacturing Base

Over 5550 sqm of standardized workshop equipped with advanced automation lines for high-capacity production.

Precision Processing

CNC cutting and automated welding ensure millimeter-level accuracy for every door component.

Strict Quality Control

Multi-stage inspection process including material testing, assembly checks, and final operation tests.

Secure Packaging & Global Shipping

We provide standard reinforced wooden crates and foam protection to ensure products arrive in perfect condition. Additionally, we offer customized packaging solutions tailored to specific dimensions, branding requirements, or special logistics needs, ensuring safe and efficient global delivery.

Explore More Industrial Door Solutions

Different operating environments require specialized structures. Find the perfect match for your facility.

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KAIYISI Customized Service

We help buyers match the PVC curtain, frame material, motor, and safety configuration to the actual project instead of using a one-size-fits-all solution. Our team supports product selection, technical communication, production, and after-sales service for international projects.

Note: Installation should be performed by qualified technicians. We provide comprehensive technical support to help your team prepare the opening, electrical connections, and control configuration.

QUOTATION CHECKLIST

Information Needed for a Quick Quotation

To ensure the most accurate proposal, please prepare the following technical details.

Door opening width and height
Installation country and industry
Traffic type & daily frequency
Preferred color & frame material
Control method (Radar, Pull cord, etc.)
Safety accessories requirements

Technical Support / FAQ

Q1
What is a PVC high speed door used for?

It is used for factories, warehouses, cleanrooms, food facilities and industrial workshops that need frequent, fast and controlled access.

Q2
How fast does a PVC rapid roll-up door open?

The typical opening speed is 0.8–1.2 m/s. The final speed depends on door size, motor and selected control configuration.

Q3
Can the door size and color be customized?

Yes. The opening size, PVC curtain color, transparent window, frame material, motor and control method can be customized for the project.

Q4
What activation methods are available?

Available options can include push button, radar, pull cord, remote control and geomagnetic sensor, depending on the traffic type and workflow.

Q5
Is the door suitable for cleanroom or food applications?

It can be configured for controlled production areas where reducing dust transfer and unnecessary air exchange is important. Please tell us the cleanliness and operating requirements before quotation.

Q6
What information is needed before quotation?

Please provide the opening size, installation environment, traffic type, required quantity, preferred color and preferred activation method.

Ready to Upgrade Your Facility?

Send us your requirements. KAIYISI will recommend the most suitable PVC high speed door configuration for your project within 24 hours.

GET CUSTOM QUOTE
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Industrial doors and accessories

Established in 2011, 15 years of production and installation experience. The goal is to serve the world — let the world enjoy KAIYISI's roller doors.

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