Galvanized Grating: Types, Uses, and Applications

When it comes to industrial flooring and safety solutions, galvanized steel grating stands out as an essential material that combines exceptional durability with practical functionality. As a leading steel supplier, Intsel Steel East (formerly Bushwick Metals) has established itself as the authority in expanded metal and grating, providing top-quality steel products for countless applications. From manufacturing facilities to architectural features, let’s explore what makes galvanized grating the perfect choice for demanding environments.

What Is Galvanized Grating?

Galvanized grating consists of metal grates that undergo a specialized zinc coating process called galvanization. This treatment creates a protective barrier that significantly enhances the material’s resistance to rust and corrosion. Intsel Steel provides premium grating manufactured from high-strength steel, offering superior structural integrity while withstanding harsh environmental conditions.

The galvanization process involves immersing steel grating in molten zinc, creating a metallurgical bond that shields the underlying metal from moisture, chemicals, and other corrosive elements. This protective layer doesn’t just sit on the surface—it becomes an integral part of the material itself. With decades of experience in the steel industry, Intsel Steel ensures that each galvanized grating product meets the highest quality standards.

Common Types of Galvanized Grating

These products are versatile solutions tailored to industrial and architectural needs based on material type, strength requirements, and environmental conditions.

Flattened Expanded Metal – Carbon Steel

• Description: Flattened expanded metal is created by passing standard expanded metal through a cold rolling process, which flattens and elongates the mesh. This process results in a thinner, smoother, and more uniform surface.
• Applications: Commonly used for fences, ventilation systems, cages, and flooring. Its slip-resistant properties make it ideal for walkways and stairways.
• Material: Carbon steel provides strength and durability at a lower cost compared to other metals.

Standard/Raised and Flattened Stainless Steel Type 304

• Conformance: Meets ASTM F1267-01, Type 2, Class 3 standards.
• Description: Type 304 stainless steel offers excellent corrosion resistance and durability. The “raised” version has a textured surface for added grip, while the “flattened” version is smoother for aesthetic or specific functional needs.
• Applications: Suitable for environments requiring high corrosion resistance, such as marine settings, chemical plants, or architectural designs.

Standard/Raised and Flattened Aluminum

• Conformance: Also conforms to ASTM F1267-01, Type 2, Class 3 standards.
• Description: Aluminum expanded metal is lightweight and naturally resistant to corrosion. The raised version offers slip resistance, while the flattened version provides a smoother finish.
• Applications: Ideal for lightweight structures like vent covers, screens, or platforms exposed to moisture or corrosive elements.

Standard/Raised Expanded Metal – Carbon Steel

• Conformance: Adheres to ASTM F1267-01, Type 1, Class 1 standards.
• Description: Standard expanded metal features diamond-shaped openings created during the expansion process. It retains strength while allowing air and light to pass through.
• Applications: Used in lockers, fencing, machinery safety doors, and other industrial applications requiring durability.

Expanded Metal Grating

• Conformance: Complies with MIL-M-17194C (Metal Expanded Steel), MYL-G 18015 (ships), and Federal RR-G-661-B specifications for deflection requirements.
• Description: Designed for heavy-duty applications, expanded metal grating is made from low-carbon steel plates. It features a high strength-to-weight ratio and slip resistance due to its textured surface.
• Applications: Ideal for walkways, stair treads, platforms, and areas requiring durability under heavy loads.

Expanded Metal U-Edging

• Description: U-edging is a protective frame created by bending thin strips of metal into a U-shape. It is applied to the edges of expanded metal to eliminate sharp edges and improve safety.
• Applications: Commonly used in architectural applications or any scenario where exposed edges need protection.

Welded Bar Grating Stair Treads

• Description: Manufactured from standard 194 grating with patterned floor plate nosing for added grip. Pre-punched end plates simplify installation.
• Applications: Used in industrial staircases where durability and safety are critical. The patterned nosing enhances slip resistance.

Close-Meshed Grating

• Description: Pressure-locked grating with closely spaced bars designed for pedestrian safety and comfort. It meets ADA (Americans with Disabilities Act) requirements.
• Applications: Ideal for building entrances, air ducts, sidewalks, or any area requiring ventilation while ensuring pedestrian safety.

Key Applications of Galvanized Grating

The versatility of Intsel Steel’s galvanized grating makes it suitable for numerous industries and applications:

Industrial Settings

Manufacturing facilities rely on galvanized grating for elevated platforms, walkways, and mezzanines. Intsel Steel’s products feature an open design that allows light, air, and liquids to pass through while providing solid footing for workers and equipment.

Construction Industry

In construction, Intsel Steel supplies galvanized steel grating that serves as durable flooring, stair treads, and drainage covers. The ability to withstand heavy traffic and harsh conditions makes these products ideal for both temporary and permanent installations.

Transportation Infrastructure

Bridges, railways, and port facilities utilize Intsel Steel’s galvanized grating for pedestrian walkways, drainage systems, and maintenance platforms. The material’s corrosion resistance is particularly valuable in these often-exposed environments.

Marine Applications

Docks, piers, and offshore platforms benefit tremendously from Intsel Steel’s steel grating and its ability to withstand the highly corrosive effects of saltwater and constant moisture exposure.

HVAC Systems

Air handling units, cooling towers, and maintenance platforms in HVAC applications incorporate galvanized grating from Intsel Steel for its durability and the ventilation provided by its open design.

Architectural Features

Modern architecture increasingly embraces Intsel Steel’s galvanized grating for facades, sunscreens, and decorative elements. Its industrial aesthetic, combined with practical benefits, makes it a favorite among contemporary designers.

The Benefits of Using Galvanized Grating

Superior Corrosion Resistance

The zinc coating created during galvanization provides exceptional protection against rust and corrosion. Intsel Steel’s quality control ensures consistent coating thickness, making their galvanized grating the ideal choice for outdoor applications and environments with high humidity or exposure to chemicals.

Remarkable Longevity

Properly installed galvanized grating from Intsel Steel can last for decades with minimal maintenance. The protective zinc layer sacrifices itself slowly over time to protect the underlying steel, extending the product’s usable life significantly.

Cost-Effective Solution

While the initial investment might be higher than untreated alternatives, Intsel Steel’s galvanized grating offers outstanding long-term value. Reduced maintenance requirements and extended service life translate to lower total ownership costs over time.

Minimal Maintenance Requirements

Unlike painted or untreated surfaces that require regular upkeep, galvanized grating from Intsel Steel virtually maintains itself. The zinc coating creates a patina that continues to protect the steel without additional treatments or interventions.

Enhanced Safety Features

The open design of Intsel Steel’s galvanized safety grating provides excellent slip resistance, particularly in wet conditions. It also allows for the drainage of liquids, reducing the risk of pooling water that could create hazards in work environments.

Selecting the Right Grating

When choosing steel grating for your project, Intsel Steel’s specialists consider these crucial factors:

Load Requirements

Intsel Steel helps customers calculate the anticipated static and dynamic loads to determine the appropriate bearing bar size and spacing. Their extensive product knowledge ensures the right match for applications ranging from light foot traffic to heavy machinery.

Environmental Conditions

For particularly harsh environments, such as chemical processing facilities or coastal locations, Intsel Steel recommends additional protective measures or specialized zinc coatings optimized for extreme conditions.

Spacing and Opening Size

Intsel Steel’s experts understand that spacing between bearing bars affects both load capacity and the size of objects that might fall through the grating. They help customers navigate safety regulations that often specify maximum openings for specific applications.

Aesthetic Considerations

For architectural applications, Intsel Steel works with designers to factor in the visual impact of the grating pattern, finish quality, and how it integrates with the overall design aesthetic.

Galvanized Grating from Intsel Steel: An Ideal Combination of Form and Function,

Whether you’re designing an industrial platform, enhancing drainage solutions, or creating an architectural feature, Intsel Steel East provides reliable and cost-effective solutions that stand the test of time.

With Intsel Steel’s deep industry knowledge and commitment to quality, customers receive not just superior products but also expert guidance for selecting the right steel grating for their specific needs. In environments where strength, safety, and corrosion resistance matter, Intsel Steel continues to prove itself as the authority in galvanized grating and other steel products, serving forward-thinking designers, engineers, and facility managers. Contact the experts at Intsel Steel today for all of your expanded metal & grating needs.