A metal roof won't dry out, split, curl, peel or flake like conventional roofing products like Asphalt Shingles. Metal roofing has been successfully used for centuries and they last substantially longer than any other roofing product on the market.
Metal roofs, after labor, tend to run about 50% more than shingle roofs. However, most metal manufacturers offer a painted galvalume metal that qualifies as a "cool roof". This can earn you a $1500.00 tax credit to offset the cost. Also, the paint on most modern metal roofing carries a 25 year warranty, and your roof can be repainted indefinately.
Metal roof saves your money on repairs and replacements. Metal roofing also comes with a warranty and is usually guaranteed to last at least 30 to 50 years Purchasing metal for a roof is more expensive than asphalt shingles in the beginning.But your budget and how long you plan to live in your house should be a determining.
Should'nt be a problem as long as there's only one or two layers of shingles already on and the weight's not a problem. If the shingles are in fairly good shape, they'll serve as an underlayment like the tarpaper put under asphalt shingles on most roofs.
Actually the most common and economical metal roofing panels available today are made from steel. Usually between 22ga and 29ga in thickness. Metal Roofing is also available in other metals such as aluminum, zinc, and copper.
Typically, a metal roofing job is more expensive than your average asphalt roofing job. Due to a very technical installation process and specialized training required for your contractor, metal roofing can cost up to 3 times as much as asphalt roofs. However, you may feel justified in the extra cost in that many people have said that, in addition to long term maintainance savings, they saved up to 20% in their cooling costs.
Sure can, shingles are often put on metal siding pole buildings.
Standing seam metal roofs offer a better cooling effect than regular shingles. They are typically long panels which run from the top of the roof to the eaves. The seams are raised, protecting the underlay from leaks.
They are shingles that are thicker than the regular 3-tab shingles, so they stand out better on the roof and create a nicer look. The 'dim' stands for dimensional, as an additional dimension to a flat tabbed shingle.
They will stand up to the elements better and are better ant preventing fires. If for some reason someone was walking on the roof then the wood would be more durable.
Shingles are more energy efficient than metal roofing. Metal roofing has no insulating properties so you would need extra insulation to make up for it. Plus they get hotter in the Summer.
Perhaps, but not guaranteed. Tile is generally much heavier than asphalt or "composition" shingles. If you're concerned, have a roofing contractor to evaluate your roof.
Usually not more than two.
If you have more than two layers of shingles you should strip them. If not use 1x3 or 2x4 strapping and run it horizontally (eve to eve) every 16 inches and then put your metal on that.
Metal roofs cost more than shingled roofs. You can expect to pay 30 percent more for a metal roof, compared shingle roof. Metal roofing can withstand higher mile per hour winds, treacherous weather even fire. Metal roofs cost more in the beginning than a shingled roof but actually save money on homeowners insurance.
If the roof is less than 24 years old,you can re -shingle over the old shingles. But if the roof is over 35 years old it is best to remove the exiting shingles ans replace with new
Depending on your location, if the metal roof is going to be more durable and sturdier than your existing roof, you will need a permit. Also if the metal roof is going to heavier than your existing roof, it will require a permit.
On house, why might a pyramid-shape roof be better than a flat roof?
Dark shingles will usually create more heat in the attic then a lighter color. Something black gets hotter then something white.