Metal Panel Roofing - Why This Might Be Your Best Roof

The roof of a home is a key element of any building design and one of its most significant structural aspects

. Value-conscious house owners seeking long-term roofing solutions that combine aesthetics and performance are increasingly turning toward metal panel roofing. According to much research, metal panel roofing has surged in popularity over the past decade.

Metal roof paneling has been proven to withstand all sort of weather, lasts a long time, and requires little to maintain. What is more, its makers have extended our choice of finishes, styles and colors to coordinate with and beautify our structures. Technological developments in coatings and finishes have made it possible to develop cool metal roofing which provides greater economy by decreasing energy use and therefore reduces the money we spend to cool or heat our buildings.

Low slope metal roof systems range in weight from 40 to 135 pounds per 100 square feet, making them some of the lightest roofing products. A lightweight roofing system also places fewer demands on a building's structural support system, which can be an important consideration in earthquake-prone regions.

It's important to understand the complexities of the many different roofing systems, because the abundance of metal roofing products available today can cause people to have a number of questions when discussing the designing of metal residential roofing. The maximum potential of any metal roof will occur only when the appropriate roofing system, underlayment, finish and substrate are specified.

Metal panel roofing has two primary categories which are designated according to how the roof withstands water and the slope of the roof. The first kind is used on roofs that have a low slope that would need water-resistant panels. The other variety, architectural or non-structural roofing, can be used on roofs with steeper slopes and is intended to get rid of the water as quickly as possible.

Typically, panels for a structural roof can spread across structural supports, which join at the building structure using clips. Thermal expansion and contraction is possible because of the floating clip system that fastens the structural panels to the roof. Structural panels and flashing need to be designed so that expansion can occur, because thermal contraction and expansion influences all materials to a certain degree.

Structural metal framing and purlins are usually included in the roof assembly to which structural metal panel roof systems are typically fitted over. If your area has a lot of snow or high winds or even when the owner requires it, panels can be installed over solid substances such as metal decking, plywood, and oriented-strand board that combines with ISO board insulation to get the correct panel system structural load.

And metal roof paneling is a green building option. Metal roof materials, unlike asphalt shingles, contain a high percentage of recycled content, which can be up to 100% in many aluminum products. An additional advantage is that these metals are easily recycled when their long life span is over.

by: Ryan McCall.

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