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Hammering Out 2 Silly Metal Roofing Myths

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Compared to their asphalt shingle relatives, metal roofs are subject to a surprising amount of misinformation. Unfortunately, these specious facts often dissuade homeowners from choosing a metal roof. If you are in need of a new roof and considering your various options, read on. This article will help you to get your facts straight regarding metal roofs.

Myth: Metal roofs allow more heat to escape from your home during winter.

A lot of the incorrect information regarding metal roofs simply has to do with their relative unfamiliarity. When people do try to envision a metal roof, the only image they can call up in their mind is that of a flimsy tin shed. For this reason, it is commonly assumed that metal roofs are terrible at retaining heat in the wintertime. Yet in fact, metal roofs can actually boost your home's energy efficiency.

The key to understanding why this is lies in the particular installation methods used for metal roofs. You see, the metal is not installed directly atop your roof's wooden sheathing. Instead, a strapping system is placed between the surface of the sheathing and the metal roof. At their most simple, strapping systems consist of a lattice of 1x4 boards that the roof is then attached to.

This creates a large quantity of protected air pockets between the sheathing and the metal. Just as with double pane windows, this trapped air acts as an incredible insulator, helping to prevent heat inside your home from escaping outward. In other words, a correctly installed metal roof represents a significant way to increase your energy efficiency during the winter months by up to 15%.

Myth: Metal roofs require serious alterations to your home.

People often imagine that, since metal is perceived as a heavy substance, a metal roof will require extensive structural upgrades to your home. This mistaken belief overlooks the fact that the panels that comprise a metal roof are incredibly light. Depending on the particular type of metal used, they may even weigh less per square foot than asphalt shingles!

In other words, chances are your home will not require any expensive changes to its structure. In fact, it is often possible to install a metal roof directly on top of an old shingle roof. As a result, you can save the expense of roofing services involved with having the shingles removed. This helps to offset the admittedly higher material costs associated with a metal roof.


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