Steel Deck – A Cost-Effective Solution For Steel Roof Construction

Steel roof deck, or metal deck as it is more commonly known, is a key structural component used in steel construction. It combines an attractive appearance with a high strength-to-weight ratio to decrease material handling, storage and erection costs.

Engineers specify different metal deck profiles and gauge to deliver unique benefits including span capabilities, fire performance ratings and other load capacities.

1. Durability

Steel deck framing has the durability to stand up against environmental factors and other issues that plague conventional wood-based structures. Its superior resistance to moisture and other weather conditions, as well as its ability to resist insect-related damage, can help you save time and money in the long run.

Additionally, unlike wood, steel does not warp or twist over time. This can help you avoid structural problems that could compromise the safety of the structure and your family.

Steel is also resistant to rot and decay, and does not need as much maintenance, saving you money over time. In fact, it can last three times longer than traditional wooden frames.

2. Strength

Steel deck has a high strength-to-weight ratio, which makes it more resilient to natural calamities. It also resists pest deterioration and provides better structural stability. This allows for a longer lifespan than concrete slabs and contributes to a more energy-efficient structure.

Steel decks are prefabricated and can be easily installed on site. This speeds up construction time, as it removes the need for formwork and curing of concrete slabs. In addition, the laying of steel decking does not obstruct other construction activities. This means that masonry and electrical work can be completed simultaneously.

In addition to speeding up the construction process, steel decks have higher flexural and tensile strength than conventional slabs. These advantages mean that they can withstand heavier loads and last longer. They also provide greater flexibility if the equipment platform needs to be modified in future. This is impossible to do with a concrete slab, which must be destroyed and replaced.

3. Corrosion Resistance

Steel deck is generally galvanised as standard to provide corrosion protection. However, in corrosive environments it is common to see stainless steel metal decking specified as it provides significantly improved corrosion resistance.

The alloy used to manufacture stainless steel coil contains nickel and chromium which increases the oxidation resistance of the metal deck allowing it to weather at one tenth of the rate of galvanised steel. For this reason, the stainless steel metal deck is a popular choice in chemical processing and food dairy applications.

Occasionally composite floor and roof metal deck can be supplied with a bare, non-galvanised finish sometimes known as ‘phos-painted’. This is typically required when the steel form deck is to be used as permanent formwork and is not contributing to the final concrete slab design (e.g. in a car park). In this case the engineer will design the concrete slab to include appropriate quantities of in-situ re-bar. This will ensure that the concrete is designed to support a load and not the steel form deck.

4. Cost

Steel deck is a cost-effective solution for floor construction. Since it’s designed as a diaphragm, it transfers loads from the frame to the concrete and reduces the size of the structure’s foundation requirements. It can also be used as a permanent form for concrete and can achieve up to a four-hour fire rating.

Because steel prices are highly volatile, it is essential to get a quote for metal decking as soon as possible. Manufacturers have different equipment, and some may be able to produce metal deck more quickly than others. However, it’s important to keep in mind that the overall cost of a project can fluctuate depending on how long the project takes to construct and the materials needed for completion.

Another advantage of steel deck is that it’s a lightweight material. This helps reduce site storage requirements and allows for more efficient crane movement. In addition, it’s much easier to install than other frame materials such as wood framing.



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