Galvanized Roofing Sheet – Hot Demand in the Construction Industry
Galvanized Roofing Sheet is actually a brand name product of zinc coated steel. As its name suggests, it is a galvanized roofing that has been prepared using zinc coating in order to make it corrosion and rust-proof. The galvanized coating is done by a procedure called galvanization where a pure zinc (or steel) solution is poured into the joints and then the joints are laid out to get galvanized. The galvanized steel is protected with a special coating that contains an electrochemical charge.
The basic material used to manufacture galvanized roofing sheets is steel of different gauge, which is known as gauge number. This is the first and foremost thing that is checked while manufacturing a galvanized steel sheet. Gauge is measured in numbers from one to twenty nha khung thep. After this, the size of the sheet is measured and then these numbers are joined to get the thickness of the final product. There are various manufacturers who supply this type of sheet so that you can select the best manufacturer based on the thickness of your application.
There are some types of this sheet that have been coated with zinc before they are manufactured. In fact, the very first coating used on any of these sheets was a hot dip galvanized coating. This process involves dipping the steel or the other metal into a molten zinc and then pressing it against the basic material to get the desired corrosion protection.
Galvanized roofing gets its name from two factors – galvanization and corrugation. Galvanized means ‘having metal pores’ and corrugated means that the material is covered by corrugated shapes, which are actually strips of metal sheets. Both these processes result in corrosion resistance, which makes this particular coating highly useful in harsh environments like the marine industry, construction, and the automotive industry.
One of the most popular applications of corrugated roofing is in the auto manufacturing industry where vehicles are made out of fiberglass. The thickness of these sheets can be as much as 0.2 mm, which is one of the reasons why they are popular as a base for fiberglass tanks. It is because of this property that the tanks are able to resist oil leaks and corrosion. You can find this coating applied in a number of ways.
For instance, some manufacturers bundle the sheet with a steel frame and package it using a thick polystyrene packaging tape. The advantage of doing so is that it eliminates the need for packing materials which can be susceptible to damage over time. Some manufacturers, on the other hand, use special methods such as cold rolling. Here, they apply a strip of metal around the perimeter of the tank and roll it up in a cylinder. This is done so that the thickness of the corrugated roofing goes up to about 25 ton and it is protected from the weather.