Welded Steel Grating
| Grade/Alloy | 19W4 and more |
| Length | 3'x24', 3'x20', 2'x24' |
| Diameter | Contact us to get our dimensions |
| Colors | Non painted / black / galvanised |
Start your project with us
FAQ – All About Steel Grating
Steel grating is a metal grid made of bearing bars and cross bars, welded or mechanically assembled. This structure creates a strong, slip-resistant surface capable of supporting variable loads.
Gratings are commonly used in industrial, commercial, and institutional environments where safe circulation is required while allowing water, snow, dust, or debris to drain.
Steel gratings stand out for their strength, durability, and low maintenance, making them a versatile and cost-effective solution for many types of installations. They are part of a range of options that also includes aluminum gratings, valued for their lightness, and stainless steel gratings, ideal for corrosive or hygienic environments.
When purchasing a grating, the finish is an important consideration. It affects not only the appearance but also corrosion resistance, durability, and maintenance requirements.
Here are your options:
Unpainted
Unpainted steel grating is ideal for indoor applications or dry environments where corrosion is not a major concern. This finish is often used in technical basements, factories, and industrial mezzanines.
Black Painted
Black painted steel grating provides an extra layer of protection against oxidation while improving its appearance. It is an economical compromise when exposure to moisture is moderate. The black finish is also appreciated in architectural projects where aesthetics matter.
Galvanized
Galvanized steel grating is the most weather-resistant. Its zinc coating provides long-lasting protection against rust and corrosion. It is the preferred choice for outdoor, maritime, heavy industrial environments, or any installation exposed to moisture or chemicals.
Steel gratings are used in a wide range of projects, including:
- Industrial walkways and access platforms
- Stairs and landings
- Mechanical pits, trenches, and channels
- Treatment plants (water, factories, power plants)
- Food and pharmaceutical plants (mandatory drainage zones)
- Pedestrian pathways in commercial settings
- Outdoor structures exposed to the elements
Their ability to support high loads and provide a slip-resistant surface makes them a safe choice for high-traffic areas.
Before making a choice, consider the following factors. This will help you select a suitable, durable, and compliant product.
Environment Type
Exposure to moisture, chemicals, or weather conditions will determine the appropriate finish: unpainted, painted, or galvanized.
Load Requirements
The heavier the load (pedestrian, carts, machinery), the thicker and closer the bearing bars should be. The type of bearing also affects rigidity.
Mesh Dimensions
Tighter meshes are suitable where foot safety or falling objects are a concern. Open meshes improve drainage and reduce total weight.
The bearing direction refers to the orientation of the main bars of the grating, i.e., those that actually carry the load.
This is the most important detail to specify when ordering, as installing the grating in the wrong direction may result in:
- Sagging under load
- Reduced load-bearing capacity
- Non-compliance with safety standards
Choosing the correct bearing direction ensures the main bars rest properly on the supports, providing a solid, durable, and safe installation.
The price of a grating depends on several factors, including:
- Type of steel (plain, painted, or galvanized)
- Thickness of bearing bars (main bars)
- Panel dimensions
- Mesh configuration
- Quantity required
Due to these variables, gratings are usually sold custom-made or in standard panels adjusted to client needs. To obtain an accurate price, it is recommended to request a quote with the measurements, intended use, and bearing direction.
Maintenance is simple and prolongs the service life:
- Regularly remove accumulated debris (dirt, snow, stones)
- Periodically clean with water and industrial soap
- Inspect for corrosion, especially on non-galvanized models
- Check installation and support integrity
- Apply appropriate paint if wear is visible
Note: Galvanized models require very little maintenance and are generally the most durable.
