What are pre-engineered buildings? What are their functions?

What are pre-engineered buildings? What are their functions?

Pre-engineered buildings or pre-fab buildings are the building which are fabricated in a controlled environment and then transported to the site for erection. These buildings save lot of time and labor requirement on site. Overall it gives good amount of cost reduction. Building like – warehouses, factories, workshops, offices, gas stations, vehicle parking sheds, showrooms, aircraft hangars, metro stations, schools, recreational, indoor stadium roofs, outdoor stadium canopies, bridges, railway platform shelters can be made with PEB technology.