FAQs
Aren't Metal Roofs Noisy?What Does Metal Roofing Weigh Compared to ShinglesCan I install Metal Roofing Directly Over My Old, Worn-Out Shingles?Will a Metal Roof Make My House More Susceptible to a Lightning Strike?Can I Add Insulation Under the Metal Panels?Will Metal Roofing Make My House Harder to Cool Down?Will Hail Damage a Metal Roof?What is the Life Expectancy of a Metal Roof System?What is the Cost of Metal Roofing Compared to Shingles
 
Aren't Metal Roofs Noisy?
The noise generated by a metal roof that is properly installed over solid decking and typical insulation is no greater than that of a shingle roof system.
What Does Metal Roofing Weigh Compared to Shingles
Metal Roofing weighs from 0.7 to 1.2 pounds per square foot depending upon the gauge and configuration. Shingles average 2.0 to 2.5 pounds per square foot.
Can I install Metal Roofing Directly Over My Old, Worn-Out Shingles?
Since metal weighs only 1/3 as much as shingles, you can often attach metal panels without tearing off your existing shingle roof. This eliminates the cost and problems of disposing of the old shingles. The best way to do this is to attach 1" x 4" or 2" x 4" furring strips at 24" o/c parallel to the eave and ridge. Check local codes to determine if tearing off shingles is required in your area.
Will a Metal Roof Make My House More Susceptible to a Lightning Strike?

No. A metal roof will not make a building more susceptible to a lightning strike. Lightning will tend to strike the highest object in a given area, regardless of what that object is made of. A metal roof can actually be beneficial in the event of a lightning strike due to being a non-combustible material.

Can I Add Insulation Under the Metal Panels?

Yes. Among the types of insulation that can be used are fan-fold foam insulation or foil-faced plastic bubble insulation. You can save utility costs by making your roof more energy efficient.

Will Metal Roofing Make My House Harder to Cool Down?
No. Metal reflects 70% of the sun's energy. This minimizes heat retention and as a result less heat is transferred into the building's structure. Further, 1985 research by the Florida Solar Energy Center showed that metal experienced a 34% less heat gain than asphalt shingles. Results indicate that metal roofing offers a similar effect on R-11 insulation on top of the roof during sunny day conditions.
Will Hail Damage a Metal Roof?
Metal is a preferred roofing material in hail prone areas. Hail causes extensive damage to shingle roofs because it can break, split, and cause tear-offs. However, hail will not penetrate a metal roof and the energy is typically reflected.
What is the Life Expectancy of a Metal Roof System?
A quality metal roof from BMP Metal Products that is installed properly, should last the lifetime of the owner. In fact, because metal withstands so many elements, metal roofing is known for its attractive life cycle.
What is the Cost of Metal Roofing Compared to Shingles
Although the initial cost of metal roofing systems can be slightly higher than shingles, the cost/benefit ratio over the life of the roof is superior to that of a shingle system. With todays best shingles only lasting 10-15 years before requiring replacement, you have to figure the cost of shingles times two or more to get a real cost comparison to metal roofing.
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