During the design stage of commercial and industrial construction, choosing the best decking system is very important. The decision depends on the building’s size, its intended use and how it can be adapted in the future. Long span decking is special because it can support large areas with fewer supports. This article will tell you what long span roof decking is, why it’s important and when you should think about using it.
Keystar Industries offers builders, engineers and contractors top-quality long span decking. No matter if you’re constructing in a warehouse, distribution center or sports facility, knowing about long span decking is necessary for creating safe and affordable buildings that meet your needs now and in the future.
Long span decking is a kind of steel deck that can cover greater distances between support beams or joists than regular decking. Standard B-deck profiles are 1.5 inches deep, but N decking and similar long span profiles are usually 3 inches deep. Because of the increased depth, the decking becomes stronger and stiffer, so it can handle more weight and span longer areas with fewer intermediate supports.
Deep ribs allow long span decking to cover distances of 12 to 16 feet, depending on the load and the width of the deck. That’s why it’s perfect for buildings that require large, open spaces inside. Because fewer columns and beams are required, there is less steel framing and less labor which makes the project both more efficient and less expensive.
Advantages of Long Span Decking
Long span decking is particularly useful for making large, uncluttered areas. It is most useful in places where flexibility matters such as distribution centers where racks and forklifts must have an open and flexible floor plan. If fewer supports are used, it becomes simpler to arrange the interior as required, both during construction and if the space is changed later.
Long span roof decking uses less steel framing, so it helps lower costs and speeds up the construction process. Because fewer beams are needed, the work can be done more quickly.
What Conditions Call for Long Span Decking?
Long span decking isn’t always required for every job. If a building has a small span and many interior walls or columns, using standard decking may be the better option. Still, there are many cases where using long span roof decking is highly recommended.
Long span decking is necessary when the building design includes large open areas with few supports. Warehouses and distribution centers are typical places where clear span bays make it easy for machines and storage systems to move freely. Just as in theaters, sports arenas and gymnasiums must have open areas where people can sit or play without obstruction.
Long span roof decking is a good option if you want to finish your project quickly. Building is faster when there are fewer parts to put together. Since the deck panels are longer and wider, there is less need for trades to cut, handle and coordinate their work.
Mechanical and electrical planning is also very important. Because there are fewer beams or supports in long span systems, it is easier to install ductwork, sprinklers and lighting.
Long span decking is also helpful in buildings that will be used intensively or may require many changes in the future. The extra space and open design allow for easy changes to the building in the future.
Long Span Decking and Strong Structural Design
Long span decking is valued for its role in making structures more efficient. When you use fewer beams and joists, you spend less on steel and make the building lighter. As a result, the foundations can be smaller and the seismic loads reduced which helps cut costs during both design and construction.
Longer spans also make it easier to plan mechanical, electrical and plumbing systems, since there are fewer things blocking the layout. Because the structure is open, it becomes easier to design lighting, ventilation and the interior layout.
Properly designed long span systems help keep a building stable by distributing wind or earthquake forces to shear walls or bracing. It gives the decking system an extra level of strength.
Things to Keep in Mind When Designing
Several important factors must be considered by engineers when selecting long span decking. These factors are the loads placed on the deck, the distance between supports and the method of connecting the deck (welded, screwed or mechanically fastened). When needed, decking has to meet the building code standards for strength, fire rating and acoustics.
The way the deck transfers horizontal loads through the diaphragm is very important, mainly in regions that experience high winds or earthquakes. Long span decking needs to be attached and detailed correctly to allow lateral load transfer throughout the building.
If the deck is going to be a roof, you should also pay attention to insulation and weatherproofing. In some long span systems, cellular or acoustical panels are included, allowing for easy sound control and wiring.
Keystar Industries Is Here to Support You with Long Span Decking
Keystar Industries provides reliable long span decking, including N decking, composite floor decks and specialty panels. We assist general contractors, engineers and steel fabricators by providing fast deliveries, custom work and technical advice. We can assist you in picking the right profile, gauge and finish to fit both the structure and appearance of your project.
Since we know how busy you are and how big your projects are, we stay involved with your team from the start of estimating to the end of installation. With our regional delivery, cutting services and expert help, you can be sure you get your materials on time and as ordered.
Long span decking is an important part of modern construction, providing strength, efficiency and open space flexibility. Because it requires less support and can cover more space, it makes both the framing and interior planning of a building simpler. Even though it’s not required for all jobs, it’s the best option when you need a lot of space, strong support and a quick setup.
If your next project requires a wide area, long clear spans or needs more support than regular decking can offer, think about including long span roof decking in your design. Feel free to call Keystar Industries today to get advice from a decking expert, get a quote or arrange for your long span decking to be delivered.