Currently, almost all building constructions use hollow iron. Apart from being sturdy, this iron can help improve the aesthetics of other building materials. Does your house also use this iron as a construction material?

Maybe some of you are confused with the term hollow iron. As the name implies, this iron is in the form of a hollow bar.

With a rectangular cross section, hollow iron is also called a square pipe.

This iron has long been used as a building construction to replace wood.

This is because the installation process tends to be faster and easier.