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Frequently Asked Questions - Stone Coated Metal Roofing

  • 26 gauge, pre-primed, galvanized steel
  • Coated by poured on acrylic basecoat
  • Embedded with ceramic earth-stone granules
  • Over-coated with a clear acrylic glaze baked cured

Yes. Though no roof is designed for pedestrian traffic. Caution should be taken not to walk on the rib portions, but to do so on the front edges; otherwise you may walk on your new Gerard roof with ease.

Boral steel roofs weigh only 140 lbs. per square, which is seven times lighter than most clay or concrete tiles which weigh 95 lbs per square. Stone coated metal roofs are lighter than inexpensive asphalt composition shingles, and are far more durable.

Due to the patented interlocking design, insulated dead-air space under the roof, and the earth-stone granule finish, Boral steel roofs are very quiet.

No. With Boral steel roofs you may leave your old wood shingle or shake roof on as Boral steel has been tested and approved to be installed directly over your existing roof due to its unique installation method. You should check with your local city however, as each city has different ordinances.

50 year non-prorated materials warranty - the best in the business.

Again, due to the insulated "dead-air" space, there is no heat gain. Much like dual-pane windows, the design actually works as an energy-saving barrier.

There is minimal movement with Boral steel roofs due to the fully interlocking profile when affixed to the batten. Also, the rough granule finish and angular design add to restricting movement.

No. Because of its light weight, Boral steel roofs require no sub-structure reinforcement.

What fire rating do Boral steel roofs have?
Depending on sub-roofs and underlayment, they offer a Class A, B, or C installation. (ICBO and UL reports are available upon request).

Fear of lightening is not a concern, as the steel roof is grounded through existing pipe vents. Even in lightning prone areas like Tampa Bay, FL (the lightning capital of the world) we have never had a report of a steel roof lightning strike. It is commonly known fact that a metal roof can provide an earth sheild which significantly reduces the changes of getting struck.   

Because the nails which are used for fastening are specially coated and installed at an angle to the wood batten, they won't rust or come loose in bad weather.

Boral steel, formerly Gerard roofs have been used in over 30 countries around the world for more than 40 years, and have beautifully withstood all weather climates.

With Borals superior technology in acrylic resins and curing process, we guarantee that your Boral steel roof will last as it has lasted all over the world.

Yes. Boral steel not only offers you security and peace-of-mind with the last roof you may ever purchase, it also will enhance the beauty and help increase the value of your home. Boral roof warranties are transferable.

Boral steel roofs have been tested around the world with "flying colors" results in resisting hail, rain, snow, and ice. (reports of test are available upon request).

You should see a noticeable reduction in your energy bills. Because of the Boral steel roofing system design, temperatures in the attic can be 30 to 40 degrees cooler.

They're much lighter. and Boral steel is about 1/8 the weight of a concrete or clay tile installation. So, during a temblor, there's far less load on the structure, reducing the likelihood of structural damage and personal injury. Also, a metal roof actually adds strength to your structure. It provides twice the shear strength of 1/2 CDX plywood.

Even if you don't live in tornado or hurricane country, standing up to wind is very important. High velocity winds caused by firestorms can blow burning embers. High winds will cause most roofing to blow off or in the case of concrete or clay tile to rise in the front allowing the embers to blow under the roof. Boral steel roofing is secured with four penny nails in the front, and flying embers can not get under a stone coated steel roof.

It could easily outlast your home - 50 to 75 years is not an unrealistic estimate.

Boral steel roofs are manufactured in the USA with American materials and labor. Our manufacturing plants are located in Southern California and Texas.

Discounts are offered by many insurance companies. They all have different policies and it is best to you call them and compare.