Greenhouse Door Roller

A well-functioning greenhouse requires more than just a strong frame and proper covering—it also depends on smart mechanical components that simplify daily operations. Among these, the Greenhouse Door Roller is an essential yet often overlooked component that plays a critical role in accessibility, security, and overall user convenience.

Our Greenhouse Door Rollers are engineered for smooth, long-lasting operation in high-humidity environments. Designed for use in sliding greenhouse doors, these rollers ensure ease of access, resistance to environmental stress, and support for heavy-duty applications.

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Product Overview

The Greenhouse Door Roller is a precision-crafted metal roller used in sliding door systems for greenhouses. It supports the door's weight and enables easy opening and closing along a track. Made from high-strength carbon steel with a zinc galvanized coating, this roller is highly resistant to rust and wear, even in humid and outdoor agricultural environments.

We offer two installation methods to suit your structure:

Pre-drilled mounting (bolt-on)

Welded installation

This flexibility ensures that the roller can be easily integrated into both new construction and retrofit projects.

Key Features and Benefits

1.Smooth and Silent Sliding

The roller is equipped with a heavy-duty wheel and high-quality bearing system that ensures low-resistance movement, even when handling large, heavy greenhouse doors. The result is quiet, stable, and reliable operation throughout the year.

2.High Load Capacity

Constructed from thick carbon steel and precision-machined, this door roller can support high loads without deformation or failure. Ideal for both lightweight polyfilm doors and heavier polycarbonate or steel-framed doors.

3.Corrosion-Resistant Zinc Coating

Agricultural greenhouses are exposed to moisture, temperature swings, and chemical exposure. The zinc-plated finish prevents rust, extends service life, and reduces maintenance requirements.

4.Versatile Mounting Options

Bolt-On Installation (Pre-drilled):

Includes pre-drilled holes for quick mounting with screws or bolts. This option is suitable for modular greenhouses or aluminum profiles.

Weld-On Installation:

A flat steel base is provided for direct welding to steel frames. This method offers maximum strength and is preferred for permanent greenhouse structures.

5.Universal Compatibility

Available in standard sizes that fit most greenhouse sliding door tracks. Custom wheel diameters or mounting bases can also be produced upon request.

Technical Specifications

Attribute	Description
Product Name	Greenhouse Door Roller
Material	Carbon Steel (Q235 or similar)
Surface Finish	Zinc Galvanized (Anti-Rust)
Mounting Type	Bolt-on (drilled) or Weld-on
Wheel Diameter	63mm, 100mm (custom sizes available)
Load Capacity	Up to 150 kg per roller (depending on size)
Applications	Greenhouse sliding doors, industrial curtain doors

Applications in Greenhouse Construction

1.Greenhouse Sliding Doors

Greenhouses often require wide doors to allow entry for carts, tools, or machinery. Our rollers ensure that large polyfilm or steel-frame doors slide open effortlessly, even after years of exposure to moisture and dust.

2.Tunnel or Hoop House Entrances

Used in roll-up or sliding doors on tunnel greenhouses, our rollers can be installed on single or double sliding panels, making it easier for workers to ventilate or access the house.

3.Curtain Systems & Partition Tracks

Some clients use these rollers in side curtain systems or as track gliders for mobile partitions, offering multi-functional usage across different greenhouse structures.

Installation Instructions

Bolt-On (Pre-Drilled) Method:

Align the roller bracket with the door frame or sliding guide.

Use galvanized bolts and washers to secure the unit in place.

Ensure proper alignment with the door track before tightening.

Pros:

Fast installation

Removable and replaceable

Suitable for aluminum and light-steel greenhouses

Weld-On Method:

Position the steel base on the door or track mounting point.

Use MIG or arc welding to attach it to the greenhouse frame.

Check alignment to avoid roller tilt or door misalignment.

Pros:

Permanent, heavy-duty fix

Suitable for industrial or large greenhouse applications

Vibration and impact-resistant

Why Choose Our Greenhouse Door Rollers?

Reliable Manufacturing: Produced using CNC cutting and high-precision turning for consistent quality and performance.

Durability First: Tested for over 10,000 open-close cycles in high-moisture environments.

Custom OEM Support: We offer customized roller shapes, dimensions, logos, and packing to meet your project needs.

Fast Delivery: Stock-ready for common sizes; short lead time for bulk or custom orders.

Global Shipping: Serving clients in the USA, UK, Korea, Japan, Southeast Asia, and the Middle East.

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