Galvanized and non-galvanized mesh: which one to choose?

Metal mesh is one of the most popular types of rolled metal products. It is used in construction, agriculture, industry, and everyday life. However, when purchasing it, many people face the following question: Which mesh should I choose - galvanized or non-galvanized? Both options have their own characteristics, advantages, and limitations. In this article, we'll explore the differences, where they're used, and when it's appropriate to use each type.

What is a metal mesh?

Metal mesh is a product made of steel wire, either welded or braided. Depending on the manufacturing technology, it can be:

  • welded;

  • wicker (chain-link);

  • expanded metal;

  • woven.

But the main criterion for choosing is presence or absence of zinc coating, which directly affects durability and scope of application.

Uncoated mesh: features and characteristics

Uncoated mesh is made from ordinary black steel wire without a protective coating.

Advantages of non-galvanized mesh:

  • low cost — the most affordable option;

  • high strength;

  • possibility of additional processing (painting, priming);

  • versatility of indoor use.

Flaws:

  • susceptibility to corrosion;

  • limited outdoor life;

  • the need for regular care and coloring.

Where is uncoated mesh used?

This option is most often used:

  • for reinforcing concrete and screeds;

  • during masonry work;

  • for temporary fencing;

  • in industrial premises;

  • for interior work where there is no moisture.

Uncoated mesh is ideal for applications where strength is important but aggressive operating conditions are not present.

Galvanized mesh: features and advantages

Galvanized mesh is made from wire coated with a layer of zinc. It can be:

  • hot-dip galvanizing;

  • galvanic (cold) zinc plating.

The zinc coating reliably protects the metal from corrosion and external influences.

The main advantages of galvanized mesh:

  • high resistance to moisture and precipitation;

  • long service life (10–30 years);

  • no need for additional processing;

  • aesthetic appearance;

  • resistance to temperature changes.

Flaws:

  • higher cost compared to non-galvanized;

  • difficulty of repairing if the coating is damaged.

Applications of galvanized mesh

Galvanized mesh is ideal for outdoor use:

  • fences and barriers;

  • animal enclosures;

  • cages and agricultural structures;

  • facade works;

  • plaster reinforcement;

  • strengthening of soil and slopes.

Where moisture, precipitation and temperature fluctuations are present, galvanized mesh is the optimal solution.

Comparison of galvanized and non-galvanized mesh

Parameter Galvanized mesh Uncoated mesh
Corrosion protection Tall Absent
Service life 10–30 years 2-5 years on the street
Price Higher Below
Need for care No Needs painting
Outdoor use It fits perfectly Limited
Appearance Aesthetic Normal, requires painting

Which mesh to choose for specific tasks

For fences and enclosures

It's definitely better to choose galvanized meshIt does not rust, retains its appearance for a long time and does not require painting.

For reinforcing concrete

Will do uncoated mesh, since it will be located inside the concrete and will not come into contact with moisture.

For cages and enclosures

Galvanized steel is recommended—it’s safer, more durable, and doesn’t deteriorate from moisture.

For temporary structures

It is more economical to use non-galvanized mesh.

For facade and plastering works

Galvanized mesh is preferable as it will not rust under the finish.

Additional selection factors

When purchasing a mesh, it is important to consider not only the presence of a zinc coating, but also:

  • wire thickness;

  • cell size;

  • connection type (welded or braided);

  • terms of Use;

  • expected service life.

Even high-quality galvanized mesh may not be suitable if the wire diameter or mesh size is chosen incorrectly.

Is it possible to protect non-galvanized mesh?

If you have already purchased a non-galvanized mesh, you can extend its service life by:

  • metal primers;

  • powder coating;

  • enamels and anti-corrosion coatings.

However, this requires additional costs and regular updating, so in the long run Galvanized mesh is often more cost-effective.

Conclusion: what to choose?

The choice between galvanized and non-galvanized mesh depends on the operating conditions:

  • If you need a net for the street, a fence, an enclosure, or a damp environment - choose galvanized;

  • If the mesh is used inside concrete, buildings or temporary structures, you can safely take it non-galvanized.

The main principle is simple:
The harsher the operating conditions, the more sense it makes to use a galvanized version.

Company Art-Metal We offer a wide range of metal mesh for any application: galvanized and non-galvanized, welded and woven, with various mesh sizes and wire thicknesses. We'll help you find the optimal solution for your requirements and operating conditions.

➤ ArtMetal - Metal products

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