When building a house or a home extension, roofing sometimes gets the least attention. Housebuilders often think about the materials for the structure, paint, and other aspects of a building but forget about the roof. Roofing will only cross their minds if the house develops a leak.
The roof is the primary protection of the building. It protects its structure and the people from the sun, wind, rain, and snow. To choose the right roofing supply, you have to consider factors such as appearance, longevity, cost, and structural integrity so that it can serve its purpose well.
Metal roofing has become a popular choice because of the variety of options it offers that fit a building’s exterior style and because it is known to increase a house’s energy efficiency. However, with so many options on the market, it is not easy to decide which is best for your home. So, if you wonder which would best fit your project, below are the different types of metal roofing and their merits.
What Is Metal Roofing?
Metal roofings are large sheets of metal made from materials such as zinc, tin, steel, copper, aluminium, and hybrid metal mixtures. The sheets are then finished with special coatings to reflect heat and prevent rust and moisture damage. It comes in a variety of forms, such as corrugated metal, slate, or tile roofs.
Types of Metal Roofing
- Aluminium Roofs – Aluminum is one of the most long-lasting options because it has high resistance to salt corrosion, making it highly recommended for use in coastal areas. Aluminium also has a reflective pigment that helps deflect radiant heat giving a cool temperature inside your home. In addition, because aluminium has a higher strength-to-weight ratio than steel, it can withstand harsh climates like hurricanes and other severe weather conditions.
- Copper Roofing – Copper is a durable metal that can last for 60+ years. Because electricity is not drawn to copper despite being an excellent electric conductor, it helps reduce fires caused by lightning. Copper roofs are also recyclable, making them a viable green roof option. Because copper is a soft metal, it is considered to be one of the quietest roofing materials. However, being a soft metal makes it prone to dents.
- Corrugated Metal Roofs – Corrugated metal sheets have a repeated wavy or rippled pattern, which increases the strength-to-weight ratio enabling it to withhold in harsh weather conditions. A disadvantage of these panels is that they are thin and lightweight, making them vulnerable to leaks and rust.
- Tin Roofing – Tin roofs are galvanised steel or aluminium material with a coating of tin that is chemically bonded to steel through a plating process. This bonding of 2 metals enables your tin roof to become durable and resistant to cracking. In addition, tin is an eco-friendly choice because it comprises thirty to sixty per cent of recycled material.
- Zinc Metal Roof – Zinc is a malleable material making it a desirable roofing supply for uniquely shaped roofs. The malleable quality does not change the structural strength and durability, making it crack and erosion resistant and withstand harsh elements.
- Standing Seam Metal Roofs — Standing seam metal roofs last two or three times longer than non-metal roofs. It has a vertical panel design that is joined by interlocking seams. The panels come in painted aluminium, galvalume steel, galvanised steel, and copper or zinc material and can withstand harsh weather conditions like heavy snow, hail, and fire.
- Steel Roof – Steel is an alloy made of iron combined with other metals. It is a highly recyclable material making it a green building material option. Because steel is an alloy composed of two types of metal, it is more resistant to cracking, shrinking, and erosion, which in turn extends the lifespan of your roof.
Metal roofing has become a highly sought-after option because it is more eco-friendly, with about 30-60% of materials used coming from recycled materials. In addition, metal roofing is 100% recyclable. Another reason why more homeowners and builders are switching to metal roofing is that it increases the energy efficiency of homes because of the reflective pigment coating it has. It reflects heat during the summer season while providing excellent insulation during the cold months.
Each type of metal roofing has its advantages and disadvantages. The choice will come down to costs, conditions of your build area, and the expertise of your hired roofing contractor. Always remember to hire experienced installers and source your materials from trusted suppliers to make the most out of your build.