Metal Roof Seam Types

Seam heights vary but are typically 1 to 2 inches tall and allow the panels to snap together without any exposed fasteners.

Metal roof seam types.

While a standing seam metal roof system can be one of the most durable and weather tight roof systems available in the industry its benefits can be negated if you fail to understand the details in application parameters of the specific system. These types of metal panel roofs are called standing seam because their prominent visual feature is the raised interlocking seam which joins one panel to the next. One downside to this style of metal roof is that with the panels being crimped together repairs or alterations to the roof can be very difficult. There are two types of underlayment for a metal roof felt paper and synthetic each with its pros and cons.

For this reason galvalume steel is used most commonly in rather simple metal roof styles such as standing seam because there isn t quite as much bending in the metal. Depending on your location and environment the type of material will be a crucial first step in deciding which direction to go. Often called commercial roofing or agricultural panel roofing or even barn. When you hear the phrase metal roof your thoughts likely go towards a steel roof but the term encompasses a much larger variety of materials.

The synthetic type is a relatively newer technology and is made by spinning together polyethylene or polypropylene with a polymer. Here s a side by side comparison of metal roofs and other common roofing materials. Because galvalume steel is more corrosion resistant than galvanized it is sometimes installed unpainted or with a low cost acrylic clear coat. When someone references metal roofing he or she could be talking about shingles or tiles made of metal an exposed fastener roofing system that is common for agriculture buildings or maybe even a standing seam metal roofing system.

It s a better and more advanced metal roof underlayment. When it comes to specifying standing seam roofs one type doesn t fit all. While the initial investment of a metal roof is higher the value it offers over a lifetime is substantial. When selecting a roofing material there are many factors to take into consideration beyond installation cost.

A standing seam roof is among the most durable and maintenance free type of any metal roof and can last over 30 years. Metal roofing it s a general term that covers a broad scope of roofing options products and choices. While they are used on steeper roofs they can be overkill for many applications. Do your research though and for your next design that requires an.

Standing seam roofing provides additional energy reduction benefits and can be installed easily in many instances over the existing roofing material. Types of metal roofing materials.