Metal Roofing
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Benefits of Metal Roofing
Longevity
Metal roofing is specifically designed to last decades longer than any other common roofing material. Actually, many businesses ultimately decide to purchase it because it will be the last roof that they ever have to install. Depending upon the type of metal used, most metal roofs last 50 years or more without any signs of corrosion or degradation.
Durability
When comparing different materials, such as wood, concrete, metal, plastic, or glass, metal stands out as the strongest and most durable. If properly installed, metal roofing is designed to withstand:
- High winds
- Debris (leaves, sticks, etc.)
- Snow
- Rain
- Hail
- Mold
- Mildew
- Rodents and other animals
Maintenance
The level of upkeep needed to maintain a metal roof is minuscule, especially if the roof was correctly installed. General upkeep would include looking for debris, such as leaves or branches, that could get stuck on the roof and in the gutters biannually and after strong storms. Also, a concealed fastener roof, like standing seam, will have even less upkeep than an exposed fastener roof.
Eco-Friendly
Metal roofing is a perfect example of environmentally friendly construction material. First, most metals are infinitely recyclable, meaning that any leftover metal, old panels, or manufactured excess scraps can be recycled and used in future products. These metal products can either come as pre-consumer or post-consumer recycled content:
- Pre-consumer recycled materials is scrap content during the manufacturing stage that has been recycled for future use.
- Post-consumer recycled materials is excess materials that have already been in the possession of a consumer at one point in time and have been recycled for reuse.
Warranties
One of the best parts of owning a metal roof is the variety of warranty options made available by the manufacturers or suppliers. Some of the best include weather-tight warranties, which cover leaks in the roofing system, and paint warranties, which cover certain levels of degradation of the paint structure that is applied to the metal substrate. Warranties can vary depending on where you live, the climate the roof is exposed to, the roofing material used, and the type of paint system used on the metal coil. Make sure to thoroughly read the warranty documents and ask questions before your purchase.
Metal Roofing Types and Options
The growing admiration of metal roofing is often to due its versatility, variety of options, and ability to be customized for each individual structure, which includes color, shape, style, and much more.
Types of Material
Metal is a broad term when it comes to roofing, especially because there are nearly one hundred metals on the periodic table of elements. Some of the more commonly used metal materials used in the industry include:
- Galvalume coated steel
- Galvanized steel
- Stainless steel
- Aluminum
- Zinc
- Copper
Types of Metal Panel Seams
- Snap-lock—Metal panels carefully rollformed with specific panel profile edges that snap together and require no hand or mechanical seaming during installation. Snap-lock seams are normally more popular in the roofing industry because they are designed to protect against the elements while making installation easier on the contractor.
- Mechanical Seam—Mechanically seamed panels are rollformed with specific edges that line up with each other on the roof. Once the two edges are put joined, a hand or mechanical seamer is used to bend the edges and lock the panels together.
- Tee Panel—A type of standing seam where two panel edges meet and are connected at the top by a cap, which is then mechanically seamed in place to lock the panels together. Once the seaming is finished, the top of the standing seam is in the shape of a “T”.
- Exposed Fastener Lap Seams—Exposed fastener lap seams are when the overlapping ends of the lap panels are fastened directly to the deck from the top of the panel.
