Metal roofing systems are expected to last 50 years, in part because of metal’s natural durability. In today’s post, local roofing contractor Innovative Roofing & Siding, Inc. share the additional qualities that make a good metal roof installation.
It’s a little-known fact that, technically, all roofs are sloped. In fact, even the so-called “flat” roofs on commercial buildings are slightly sloped towards the drains to allow rainwater proper drainage. On residential metal roofs, the correct slope is important in many ways. It helps ensure efficient flow of rainwater on the surface and it prevents leaves from getting stuck on the roof. It also showcases the roof itself, which can help boost curb appeal.
Gauge is the thickness of the metal sheets used for building the roof. Using high gauge roofing has obvious advantages, such as resistance to corrosion, puncturing, and impact damage. It also makes the roof heavier, which increases its wind resistance. Before you pick a “roofer near me” and ask for heavy gauge roofing, you should first consider whether your existing roof structure will be able to support the additional weight. Also, the thicker gauge will increase installation time because installers will need to drill longer to install fasteners.
Metal roofs have many things in common with other types of residential roofing systems. It needs components such as a sound support structure and sufficient insulation. It also needs a waterproofing barrier. Also known as underlayment or felts, a waterproofing barrier is the roof’s second line of defense in case the outer layer of sheet metal is punctured.
There is more than one type of underlayment: traditional asphalt-soaked felts, rubber sheets, and—the type that most people are familiar with—synthetic underlayment. Each one has its own advantages. Traditional felts are suitable for low-gauge sheet metal because it adds stiffness and impact resistance. Rubber sheets that are adhered to the roof deck are suitable for extreme climates. Synthetic underlayment works on most types of roofing, and should let the roof deck “breathe” by allowing moisture to evaporate instead of trapping it.
Searching online for a “roofing company near me”? Call Innovative Roofing & Siding, Inc. at (865) 688-2888 or fill out our contact form to schedule an appointment. We serve customers in Knoxville and surrounding communities.