Walking down the walkway, you see bridge bars under your feet. Even recently, in front of the Post Office, you did a good deed and helped a disabled person drive a wheelchair up a ramp made of this lattice as well. However, did you know that there are many types of such grids? As you read on, you can get to know them in detail.
Welded gratings
These gratings are constructed of supporting flat bars, with thicknesses ranging from 2 mm to 5 mm. In addition, they are connected by transverse rods with a diameter of 6 mm.
Press-in gratings
These gratings are otherwise known as pressed gratings, because their production consists in pressing special supporting flat bars, which are then connected to the post flat bars, which are arranged at right angles.
Offshore gratings
In other words, these are anti-slip gratings. These gratings are constructed of serrated flat bars, with a circular bar embedded between them to thicken the mesh of the grating. Offshore grating is a form of welded grating.
Heavy-duty gratings
The supporting flat bar in such a grille is between 50 mm and 150 mm high, and its thickness is between 6 mm and 10 mm. The bar that connects the flat bars has a diameter of 6 mm to 10 mm. Therefore, it is not surprising that these grilles are widely used in facilities where there are a lot of people at one time, such as airports, railway stations, ports, or production and storage halls.
Cardboard gratings
These gratings allow to carry a heavy load in variable directions. They are made of support flat bars that have special notches (these notches must be perpendicular). In these notches are placed elements that connect the flat bars, which can be other flat bars or rods. These grilles are used similarly to heavy-duty grilles, i.e. in places where there are a lot of people and a lot of traffic. In addition, they can be found in balustrades, balconies, building facades, or as ceiling suspensions.
Stainless and acid-resistant gratings
These are grilles that are made from stainless steel and acid-resistant steel. They are most often used in manufacturing plants, where there is a chemically aggressive environment. In addition, they are also often used in the agro-food industry.
Corten gratings
These gratings are constructed of steel that is resistant to atmospheric corrosion from weathering steel. Cortenium steel is steel that is covered with its characteristic rust-colored tarnish, which forms after the steel has been previously oxidized or subjected to atmospheric agents. The steel contains an admixture of copper, which makes such steel resistant to corrosion. Corten grating is a form of pressed, or pressed grating.
Modern construction uses a few other types of gratings, however, here are the ones they use most often, and you will already know which type of gratings you are dealing with.
