D.H. Pinnette & Sons, Inc.

Maine Roofing Service

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FAQs about Metal Roofs

Why should I spend a little more for a metal roof?

Ordinary roofing materials have shorter life spans than metal roofing and will need to be replaced far more often. With constantly increasing material and labor costs, that could mean a significant expense over the life of your home. A metal roof will last far longer, saving you money and adding value to your home.

Does my present roof have to be removed before a metal roof is installed?

In most applications over asphalt shingles, our metal roofs can be applied directly over the old roof, saving money and eliminating a great deal of mess and the cost of disposal. In addition, because there is no old roof to dispose of, landfill space is spared, helping to protect our environment.

How can a metal roof save money on energy bills?

Metal roofing reflects the majority of the sun's rays, so it doesn't retain as much heat as wood, asphalt shingles, tiles, or cement. This means a metal roof could help your attic stay cooler longer - leading to a significant reduction in your energy bills. Many of our metal roofing products are Energy Star® rated.

Can I walk on my metal roof?

Yes, but since a metal roof requires virtually no maintenance, there should be no reason to do so. Like any roof, care should be exercised.

How much do metal roofs weigh in comparison to other types of roofing?

Metal roofing materials are less than one-third the weight of asphalt, one-twentieth the weight of concrete, and add less than 10% to the weight of the existing roof materials.

How long will a metal last?

A metal roof will last far longer than conventional roofing products. Metal roofing has been successfully used for centuries. Metal roofing comes standard with 30-35 year warranties, and is expected to last far longer than that.

Is a metal roof noisy when it rains?

Contrary to popular belief, when installed over solid decking a metal roof is not noisy when it rains. In fact, according to one study, a metal roof's noise levels are about the same as other products like asphalt shingles, wood shakes, or clay tiles. The idea that metal roofing is noisy most likely comes from installations over open framing. An open framed installation does increase the noise a metal roof creates.

How much protection does a metal roof offer?

Unlike asphalt, wood, tile, cement and fiberglass roofing materials, a metal roof offers superior protection against the elements. For example:

  • FIRE:      A metal roof will not burn or support combustion.
  • WIND:   Experience at recent hurricanes has shown that metal roofs outperformed other roofing products.
  • WATER: Metal is impervious water absorption, greatly reducing damage to structure. And a metal roof cannot be penetrated by hail.
  • SNOW: Snow slides easily off a metal roofing system, and in areas such as doorways, metal guards prevent snow from falling onto entranceways.

Does a metal roof attract lightning?

No. Grounding of any exterior metal siding or roofing is not recognized as necessary by any major building code organization. Because metal roofing is both an electrical conductor, and a noncombustible material, the risks associated with its use and behavior during a lightning event makes it the most desirable construction material available. Lightning strikes are more connected to the location of the building and other factors. Metal roofs actually protect buildings from lightning strikes.

Can solar energy systems work on a metal roof?

Metal Roofing is an ideal platform for integrating solar electric and solar thermal renewable energy solutions onto and under the roof surface. In addition, a Metal Roof alone, can earn up to 25 U.S. Green Building Council LEED credits because Metal roofs have coatings that prevent 75 to 80 percent of the sun’s energy from being absorbed into the roof, and can reduce roof surface temperatures by 60 to 70 degrees.


117 Rice Rips Rd, PO Box 307, Oakland, ME 04963   | P (207) 873-6353 | F (207) 877-7840 | Toll Free (800) 924-6353