Machinery Equipment-Construction


Metal Roofing: A Solution for Safeguarding Building’s Structural Integrity

Author : Priyanka | March 5, 2024

It is often the case that roofing is attacked by pests and insects, leading to premature damage. Protecting the roofs of buildings is crucial for withstanding extreme weather and preserving structural integrity. In response to this challenge, metal roofing emerges as a highly attractive solution. Not only does it offer exceptional resilience against harsh weather conditions, but it also acts as a deterrent against pests and insects.

Now, let us delve into the details and discover how this innovative roofing material is ensuring the protection of building structures.

What is Metal Roofing?

Metal roofing refers to a roofing material made primarily from metal. It is a durable and long-lasting roofing option available in different types, including stainless steel, aluminum, zinc, and copper.

Metal roofs are widely used for their longevity, durability, and energy efficiency. It protects against various elements, including hail, high winds, and fire.  It is lightweight and reduces stress on the load-bearing roof making it widely popular across the globe. According to Kings Research, the global metal roofing market is likely to be valued at USD 30.13 billion by 2030.

Two Main Types of Metal Roofs

Metal roofs are categorized into two main types depending on their characteristics and use.

1. Standing Seam Metal Roofing

Standing seam roofing is a popular choice for both residential and commercial properties. It consists of interlocking metal panels that form vertical seams, with concealed fasteners hidden beneath the surface. This type of roofing offers a clean and sleek appearance with no exposed fasteners. It provides excellent durability, weather resistance, and longevity. Standing seam roofing is available in various materials, including steel, aluminum, and copper.

2. Corrugated Metal Roofing

Corrugated roofing is another type of metal roof that features a wavy or ridged design. It is made from flat metal panels with alternating ridges and valleys. These metal roofs are popular and used due to their strength and durability. They are commonly used sectors, such as in industrial, agricultural, and commercial applications. This type of roofing requires more maintenance compared to standing seam roofs, as the fasteners securing the panels to the roof decking are exposed. However, it is a more affordable option and can be installed over existing roofing in some cases.

Pros of Using Metal Roofing

Metal roofs offer numerous advantages that make them a popular choice for homeowners including

  • These roofs have a longer lifespan compared to traditional asphalt shingle roofs.
  • Metal roofs are well known for their high durability and ability to withstand harsh weather conditions, including heavy rain, strong winds, and snow.
  • They are less susceptible to leaking when installed correctly and are more resistant to damage from impacts like hail.
  • These roofs reflect solar heat, reducing the heat absorbed into the building. Thus, it helps lower cooling costs, especially in hot climates.
  • Metal roofing panels are lightweight and can be installed directly over existing roofs, which eliminates the need for costly & time-consuming tear-offs.
  • Some roofing materials of metal have insulation properties that can improve energy efficiency.
  • These roofs are non-combustible and provide excellent fire resistance. This makes them a safer option, particularly in areas prone to wildfires.
  • Metal roofs are an environmentally friendly option as they are 100% recyclable and have a lower carbon footprint than other roofing materials.
  • This type of roofing comes in a variety of styles, colors, and finishes and is available in various design options, such as shingles, panels, or tiles.
  • They are highly resistant to mildew, rot, and insect damage, reducing the need for frequent repairs or roof replacements.

Which Metal Sheet is Best for Roofing?

One of the most popular and widely used metal roofing materials is galvalume. Galvalume is a steel-based roofing material that combines the high-performing metallic coatings of steel, aluminum, and zinc. It is created by continuously hot-dipping a cold-rolled carbon steel base sheet with aluminum and zinc alloys until it reaches a determined coating. Galvalume roofing is popular due to its durability, weather resistance, and longevity.

In this field, Metal Sales is India's largest manufacturer of Galvalume roofing. It combines steel, aluminum, and zinc in such a way that Galvalume roofing is durable and corrosion-resistant. The introduction of Galvalume by Bethlehem Steel led to a significant shift in the metal-based roofing industry.

Innovative Breakthrough: Sustainable Metal Roofing for Coastal Countries

U.S. Steel and DuPont have launched a maintenance-free steel solution called COASTALUME, which combines DuPont's Tedlar PVF films with U.S. Steel's Galvalume solution. This steel material is specifically designed and warranted for coastal environments. This product offers long-term durability, strength, and corrosion resistance, protecting buildings' roofs and walls for decades. The Tedlar PVF film barrier helps resist UV damage, saltwater corrosion, cracking, and more.

Additionally, COASTALUME can withstand hurricane-force winds up to 140 mph and is resistant to chalk, mold, and mildew. It also offers a more sustainable roof, with an average life of three times longer than common asphalt shingles and being 100% recyclable.

Nearly 40% of Americans live in coastal counties and face unpredictability and damage from environmental factors such as hurricane-force winds & saltwater spray. The combination of American-made steel with DuPont Tedlar PVF film offers a maintenance-free roofing solution for residential and commercial construction along the coast.

Winding Up

In harsh weather conditions, metal roofing stands as a durable, energy-efficient, and versatile roofing solution that offers numerous benefits for residential, commercial, and industrial properties. With their exceptional robustness, metal roofs provide long-lasting protection against weather elements, including hail, high winds, and fire. The energy efficiency of metal roofs reduces heat absorption, resulting in potential energy savings.

The versatility of metal roofs allows for various styles and designs, catering to different architectural preferences. The low maintenance requirements, environmental benefits, wind resistance, and noise reduction further contribute to the appeal of metal roofs. Thus, metal roofing is a reliable and sustainable choice that offers both aesthetic appeal and long-term performance.

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