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4 Advantages of Metal Roofing

Posted by Paul Kazlov, Guest Contributor

Jul 9, 2015 7:20:00 AM

Metal roofing, says this advocate, has major "eco advantages" over other types of roofing.

Whether it’s time to replace your existing roof or you’re thinking about upgrading your home in the future, chances are you haven’t heard all that much about metal roofing. Although wood and asphalt shingles are the most popular materials out there, they pale in comparison to the benefits a metal roof can provide. Unmatched in longevity, durability, and cost-effectiveness, metal roofing is also gaining popularity for its myriad eco-friendly benefits as well. Below, we’ve listed the four biggest advantages to installing a metal roof, and why this is one upgrade you seriously need to consider during your next home renovation.

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Make Your Roof More Energy Efficient

Posted by RESNET

Jun 10, 2015 11:37:48 AM

If you’re thinking about making energy efficient improvements to your home, one major area to consider is your roof. Believe it or not, “greening” your roof can help lower your energy bills considerably and make your home much more comfortable to live in. Here are three things to keep in mind when making your roof energy efficient.

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Is Metal Roofing Superior to Other Roof Materials?

Posted by Conway Kang, Guest Contributor

Feb 3, 2015 6:59:00 AM

Yes and No. Metal has an excellent track record, and great recyclability, but it's not the only durability play.

In the U.S., if you want to find out the real scoop on a building product, you often have to look outside the industry, which is notoriously weak on self-assessment and R&D. But homeowner insurance companies know where the biggest risks are in homes. So they look long and hard at roofs.

Example, here's State Farm insurance on metal roofs:

Advantages of Metal Roofs

  • Longevity. Metal roofs can last 40 to 70 years, depending on the material. Traditional asphalt roofing materials have an estimated life expectancy of roughly 12 to 20 years.
  • Durability. Some metal roofs can sustain wind gusts up to 140 miles per hour, will not corrode or crack, and may be impact-resistant (depending on which metal you choose). In addition, metal roofs don't need the periodic costly maintenance that other roofing materials often require. However, they should be inspected periodically to make sure no repairs are required.
  • Safety. Metal roofs will not spark and ignite into flames during a wildfire or lightning strike.
  • Energy efficiency. Metal roofs reflect solar radiant heat, which can reduce cooling costs by 10% to 25%.
  • Environmentally friendly. Metal roofs not only have 25% to 95% recycled content, depending on the material used, but are also 100% recyclable at the end of their life as a roof. In contrast, most shingle tear-off waste ends up as part of the building-related waste stream – up to 20 billion pounds per year.
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How to Plan an Energy Efficient Home Renovation

Posted by RESNET

Jan 21, 2015 10:30:44 AM

If you’re going to renovate your home this year, consider taking the energy efficient route. Start by contacting a RESNET Home Energy Auditor or Rater for an energy audit or rating to determine where and how your home is losing energy. If you opt for an energy rating, compare your home’s before and after HERS Index scores to see the difference that energy-saving measures can make.

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Roofing

Posted by Green Builder Staff

Dec 30, 2014 1:51:15 PM

KNOW THE LINGO

Deck: The substrate over which roofing is applied—usually plywood, wood boards or planks.

Drip Edge: An installed lip that keeps shingles up off the deck at edges and extends shingles out over eaves and gutters to prevent water from wicking up and under the shingles.

Exposure: The area on any roofing material that is left exposed to the elements.

Flashing: Materials used to waterproof a roof around any projections.

Granules: Crushed rock that is coated with a ceramic coating and fired, used as top surface on shingles.

Ice Dam: Formed when snow melts on a roof and re-freezes at the eave areas. Ice dams force water to “back up” under shingles and cause leakage.

Laminated Shingles: Asphalt-based shingles made from two separate pieces that are laminated together. Also called dimensional shingles or architectural shingles.

Soffit Ventilation: Intake ventilation installed under
the eaves or at the roof edge.

Steep-Slope Roofing: Refers to slopes steeper than a 4” rise for every 12” of length (expressed as 4:12).

Tear-Off: Removal of existing roofing materials down to the roof deck.

Valleys: Areas where two adjoining sloped roof planes intersect on a roof, creating a “V”-shaped depression.

Source: GAF Materials Corp.

It wasn’t long ago that roofing wasn’t much more than an afterthought—chosen for a house mostly for economic and occasionally for aesthetic reasons, if you could afford it.

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