The National Roofing Contractors Association (NRCA) claims that the popularity of metal roofing has grown remarkably over the past decade, which is a clear indication that both homeowners and flood restoration melbourne builders are becoming more and more aware of the numerous benefits of this roofing material. Before choosing to put a new roof or replace the existing one with a metal roof, there are several factors that can help you identify the right product for your residential or commercial building.
Classifications of metal roofing
There are two main classifications: architectural style and structural style. Architectural style metal panel systems (hydrokinetic) provide a similar function to asphalt shingles in that they are water shedding. These roofing systems do not add to the structural integrity of the building. As such, they are used for moderate-to-steep applications, and usually have a solid substrate, like a wood deck, to give the roofing system adequate stability. Additionally, a waterproofing underlayment is installed beneath the panels to keep water from infiltrating into the building. They can be made from aluminum, zinc, stainless or galvanized steel.
Structural metal panel systems (hydrostatic), on the other hand, add structural stability to your building. They serve as both the roof deck and waterproofing structure, and do not require any underlying support. They can be used for roofing in moderate-to-low sloping structures owing to their water-tight attribute.
Advantages of using metal roofs
A homeowner or builder stands to benefit in the following ways for choosing to install any of the metal panel systems mentioned above:
Longevity – this roofing material is very durable, with manufacturer warranties on defects ranging from 20 to 50 years, and 20 to 25 years on the coating finish.
Fire-resistant qualities – since metal is non-combustible, most roofing applications are awarded Class A fire rating. However, the rating may be lowered of the metal panel system is installed over combustible substrate, like existing timber.
Minimal maintenance – little maintenance and upkeep is necessary to ensure optimal performance and prolonged integrity of the roofing system. This implies that minimal costs will be incurred over the life span of your roof.
Wide selection for aesthetics – homeowners and builders can choose from a wide variety of shapes, sizes, and colors to sit your preferences. You can choose from a selection of seam profiles and designs that resemble tiles, shingles, or tiles. You can also opt for exposed or concealed fasteners to secure the panels.
Energy efficiency – compared to asphalt roofing, metal reflects a higher percentage of the sun’s radiant heat, which implies that less heat loads will be transferred into your home or building. In fact, you can reflect up to 20 percent of extra radiant solar heat if you use lighter metal panel colors. Basically, this can save you between 20 and 40 percent on heating and cooling expenses, depending on the application.
Easy installation – most applications are easy to install, considering that you can even install directly over existing roofing components in some cases.
Environmentally friendly – depending on the metal used, it can contain between 25 and 96 percent recycled content. Additionally, metal roofing is 100 percent recyclable after its life span.
Disadvantages of metal roofs
There are a few cons related to various metal panel systems including:
High cost of acquisition – they require a high investment during installation compared to asphalt based roofing components. As such, it is important to calculate the total installation and anticipated expenses over its life span before investing in this type of roofing.
Noise – they can be noisy in some applications during heavy rain or hailstorm
Performance –if there is any condensation at the metal panels caused by poor-quality installation or repair, it can seep through voids in the insulation, resulting in serious damage from exposing the metal panel system to conditioned air from the interior.
Possibility of panels loosening – regular maintenance is required for exposed fastener system to protect the seals where they penetrate the metal roof panels.
Metal roofing is just one of the many materials you can use on your building. So, analyze the pros and cons of each material before making decisions on the right roof system for your specific application.