Can you install metal roof over asphalt? Can you walk on metal roof? Metal roofing FAQs.

galvalume roofing
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How long will metal roofing last?

Many modern metal roofs are manufactured from Galvalume steel, a hybrid material that combines the strength of carbon steel with the corrosion resistance of aluminum and the thermal properties of zinc. This super-powerful combination prevents modern metal roofs from drying out, splitting, curling, peeling or flaking. In use in some of the world’s monumental buildings for the past century, this material has proven its durability and strength through the test of time. Most systems also use top quality paint finish to guarantee extra durability and protection plus metal roof colors that won’t fade, chalk, or rust.

Do metal roofs provide wind, hurricane and fire resistance?

High winds and hurricanes can cause serious damage to your home and property and, frequently, the first things to fly off your home in high winds are asphalt shingles. Metal roofing systems are often wind tunnel tested at wind speeds up to 200 miles per hour and meet all requirements for building materials in the High Velocity Hurricane Zone. E.g. Florida has the strictest regulations in the country with regard to exterior materials.

How will I save on my energy costs with a metal roof?

Asphalt shingles absorb heat, creating high temperatures in the upper reaches of your home during warm months, forcing your cooling system to work overtime. In the winter, heat can escape from your home through the vented layering that shingle patterns possess.

Neither of these issues are a problem with so called Cool Metal Roofing technology. In terms of your home’s exterior, this metal roofing panels will reflect up to 90% of the sun’s radiant heat, giving your cooling system a serious advantage. In the winter, the system acts as blanket, trapping heat and saving energy. This thermal reflectivity can save you up to 42% on your monthly energy bill!

Since I’m an older person, why should I worry about a lifetime warranty when I can get a 30-year Tamko Asphalt Shingle that’s less expensive and will outlive me?

This is a big misconception and a commonly asked question. Even the best 30-year asphalt shingle only has a replacement warranty for the first few years. At this point it is aggressively prorated to where there is no coverage due to natural weathering, thus the reason why asphalt roofs need replacing after 8-12 years. The average size home roofed with asphalt costs around $5,000.00. However, you’ll have to replace it in eight to twelve years. Add inflation over ten years plus tear-off cost to do it again for 00.00 for a total cost over ten years of ,700.00. It is seen in just a ten year time frame, a homeowner’s true cost in an asphalt roof is $13,700.00.

Senior buyers are well educated and experienced. They know from experience you get what you pay for in life. They’ve purchased 4-5 asphalt roofs in their lifetime and know for a fact that an asphalt roof won’t last 30 years. These clients are looking for a roof that is maintenance free as well as worry free from storm damage. Eliminating the need to hire a roofing contractor and going through hassle and interruption in life during retirement years is more than enough reason to spend a little more on a lifetime roof guaranteed to never be bothered with roof replacement again!

Plus, if you factor in the resale value that a metal roof adds to your home, you can potentially make your money back when your home goes on the market. A metal roof is an attractive option to a prospective buyer, particularly when they realize all the benefits of metal roofing, including that it will be virtually maintenance and hassle free.

Why spend more money for metal roofing?

Conventional roofing materials such as asphalt shingles have a significantly shorter life span and according to the insurance industry, the average replacement age of a typical 40 year architectural asphalt shingle is between 8-12 years. They begin to devalue your roof because of discoloration, stains, and algae growth within the first few years after installation. A typical asphalt roof, even with the new high wind warranties, only carries a five year warranty against shingles blowing off. The rest of the warranty is usually prorated.

Does my asphalt roof have to be removed before installing a metal roofing system?

In most cases the removal of your asphalt roofing is unnecessary. Considering the weight of a modern metal roofing system is 1/3 the weight of a conventional asphalt roof, it’s most efficient to install it directly over your shingles. This saves time and keeps the mess to a minimum while also preventing any damage that might occur if a storm were to happen during the tear-off. In fact, installing over your old roof is preferable due to the increase in insulative properties that both layers provide. You’ll also be saving landfill space by not having to dispose of your old shingles.

Will a metal roof’s color fade?

Most new metal roof colors are fade resistant and rust resistant!

They use the industry-leading paint coating systems combined with advanced chemical pre-treatments. Truly one of the most innovative paint inventions of this century, Kynar 500® paint is designed to protect the integrity of your metal roof’s brilliant color and gloss, resisting fading and chalking for decades compared to ordinary metal roofing panels.  This finish also helps increase the overall corrosion resistance of the Galvalume sheet base, therefore preventing rust.

What is the difference between the Galvalume Metal you use for metal roofs and Galvanized Metal?

Galvalume sheet has been successfully used in roofing applications for more than 25 years and has been evaluated in outdoor tests for well over 30 years. Based on these tests, in which corrosion weight losses were measured and compared with galvanized, Galvalume sheet is projected to outlast galvanized sheet (with an equivalent coating thickness) in various atmospheres by up to nine (9) times.

Is a metal roof noisier in the rain than other roofing material?

With the way homes are insulated today, it is no more noisy than any other roofing material. In fact, if installed over your old asphalt roof, your new metal roof might even be less noisy due to the extra sound barrier provided by our metal roofing material.

Can you walk on a metal roof?

Yes, you can walk on a metal roof. Care must always be taken when walking on your roof, however.

Metal surfaces can become slippery when wet or covered with foreign materials. For safety precautions, there should be no walking on a metal roof at these times. Also, due to the powerful reflective properties of the materials, metal roofs can become very, very hot on a bright summer day. Always use caution when climbing on your roof and make sure you have someone nearby to assist just in case.

6 thoughts on “Can you install metal roof over asphalt? Can you walk on metal roof? Metal roofing FAQs.

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