Protective grill: the most resistant materials

Protective grill: the most resistant materials

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November 7, 2025

Protective grill: the most resistant materials

Also well suited to doors, windows, and commercial or industrial use, a protective grid will serve to secure your business or your company buildings against any intrusion.

Protect Your Windows

In areas that are vulnerable or subject to intrusions, Windows represents a potential danger to the security of your premises if they are not equipped with a good anti-intrusion system. If you have Windows that overlook the street, or are at human height, it is essential to have protective grills installed! For greater safety, it is also recommended to have protective grids on the doors of a warehouse or business, as they are also likely to be split. Even if we think that the grills give a prison look to our premises, they are now designed in a more aesthetic way, exist in several different models and are often custom made according to your needs. It is also possible to choose more or less important aeration depending on your field of industry. Generally, a window protection grid is composed of several vertical bars arranged 12 cm from each other. They are then welded to approximately two horizontal bars which are themselves attached to the wall. For commercial and warehouse doors, sliding lattice protection grills are just as sturdy. To properly choose a protective grill, you must take into consideration the material used to manufacture it. The best materials for a weatherproof and reliable grill are:

Iron and Wrought Iron

  • Heavy-duty
  • Elegant
  • Customizable at Will
  • Durable

An incomparable material in terms of its solidity, iron, whether forged or not, therefore offers a range of qualities in building protection. Being the basic element of steel and cast iron, it is the most flexible metal for the manufacture of materials such as protective grills. Used in the manufacture of bars, iron will be an unparalleled material that combines safety and aesthetics and that will simply be impossible to break.Steel

  • 100% recyclable
  • Easy to Paint
  • Does Not Rust
  • Strong and durable

As resistant as its big brother iron, steel also allows you to create personalization on your protective grids. Although it has a natural anti-rust agent, it must however be treated against corrosion and is therefore not the material recommended in coastal areas or regions with a difficult climate.Aluminum

  • Light
  • Durable
  • Solid
  • Does Not Rust

Resistant to the vagaries of the climate and naturally rustproof, aluminum is sometimes preferred. It also happens to be much lighter, but just as strong as steel and iron. Last argument in favor of aluminum, its price is often less expensive than that of other materials.

Tips

For maximum protection on the windows, the iron or steel bars must be sealed or anchored to the wall with a depth of at least 5 centimeters so that this is inaccessible. Also, to ensure the longevity of the iron protective grills, you can add one to two coats of anti-rust paint before final installation and then repeat the operation once a year! Now that you have an idea of what equipment will best suit your needs, you can choose a protective grill. They are offered as a kit, ready to install or rather tailor-made, depending on the particularities of your premises. Finally, all you have to do is take the exact dimensions and choose the type of installation according to the place to be protected.