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November 23, 2021

What Is a Pre-engineered Building?

Pre-engineered buildings are structures made of steel or metal. Pre-engineered buildings are cost-effective solutions for nonresidential spaces including warehouses, hospitals, barns and indoor arenas. Here's more information about the types and uses of pre-engineered buildings today.

Pre-engineered Structures Are Custom-made

Pre-engineered structures are built to order and typically include a metal frame, roof and siding when applicable. Metal framing consists of rigid, cold-formed plate steel. Roof beams and support columns are bolted together to create large structures that span wide distances up to 300 feet without the need for inner columns.

Because of a wide-span-building's design potential for engineering issues, there are no cookie cutter building kits waiting to be shipped out and built sight unseen. Pre-engineered buildings must be assessed before erecting the components. The wind and climate on the building site, the foundation soil, the drainage issues and more must be factored into any pre-engineered building's plans for larger commercial structures and smaller buildings alike.

Basic Design Means Fast Construction

When a pre-engineered building is shipped to a building site, the parts are labeled and easy for construction crews to assemble. Mainframe columns run down the long sides of the structure. A mainframe rafter attaches at the top of one main column and spans across the width of the structure to the top of the opposite main column. An eave strut runs along the top of the main columns where the rafters meet the columns. Purlins connect rafters parallel to the eave struts at intervals up to the roof ridge on either side of the roof and serve as roof supports. Girts hold the lower section of main support columns together and serve as framing for siding or walls.

Construction of pre-engineered buildings is straightforward and easy to follow. Pre-engineered buildings can be finished as the customer wishes, either open sided for forage storage or sporting events or completely finished to serve as a hospital, school or community building.

Pre-engineered Structures Allow Open Access

The main advantage of a pre-engineered building is its free span over a wide distance. The open floor plan makes a pre-engineered structure extremely flexible for applications including factories and convention centers. Forklifts can be maneuvered easily with no columns blocking the floor. Booths and displays can be easily moved around for boat shows, flea markets and industry conventions. Pre-engineered buildings can also be expanded easily without compromising the original structure.

Pre-engineered Structures Wear Well

Metal pre-engineered buildings are weather resistant and don't succumb to mold, mildew, insect or rodent damage. The metal doesn't rot, warp or crack like wood or settle like concrete. If properly designed and erected, a pre-engineered building can withstand wind and snow extremes for short periods without heavy maintenance needs.

Foundation Costs Are Minimized

Since pre-engineered structures weigh around 30 percent less than standard structures, the foundation demands are not as high. You can use a less costly foundation method than you'd need to use with a wood-frame, cement block or concrete structure. Pre-engineered buildings offer low-cost, easy options for building space needs in diverse situations.

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