Aluminum roofing may be cheaper and much more affordable than steel roofing however, steel roofing has proven to be much more reliable. It can resist different weather conditions and lasts much longer than aluminum.
Metal Roofing is available in many different metals. You can purchase metal panels that are made from aluminum, copper, zinc, steel and more. The most common and economical roofing panels today are made from steel, usually coated with a protective substrate like Galvalume.
Steel is a harder and more durable metal than aluminum. Therefore, steel doors are often more durable and more difficult to damage than aluminum doors.
galvanised steel is a lot more safer....... if u go by the book.... it is upto 10 times stronger than stainless steel in aluminum
If the steel contains by weight one or more of the following elements in the proportion shown, it is an alloy steel. 0.3 % or more of aluminium 0.0008 % or more of boron 0.3 % or more of cobalt 0.4 % or more of copper 0.4 % or more of lead 1.65 % or more of manganese 0.08 % or more of molybdenum 0.3% or more of nickel 0.06 % or more of niobium 0.6 % or more of silicon 0.05% or more of titanium 0.3 % or more of tungsten (wolfram) 0.05 % or more of zirconium 0.1 % or more of other elements (except sulphur, phosphorus, carbon and nitrogen), taken separately. Any steel not containing one or more of the above elements in the weight proportions shown, is a non-alloy steel.
Aluminium is more expensive than steel
Aluminium is lighter than steel and much more durable
No, stainless steel never corrodes.
Metal roofing does in fact cost much more than traditional wooden roofing but also it has much more advantages. Metal roofing such as steel weighs more and has proven to be much more weather and heat resistant as well as requires a lot less maintenance.
Steel and aluminum patio covers are both good options for preventing damage, however steel lasts much longer. The only problem that steel can have is rust.
There are several advantages to using aluminum roofing. In general, it is much more cost-effective than other materials, while also being more durable and much easier to install. Aluminum roofing also reflects light better than other materials, so it can help you save money on your energy bills during the hot summer months. If you live in an area with heavy winters, snow is less likely to accumulate on an aluminum roof, reducing costly damages. Aluminum shingles are also naturally non-combustible, reducing the chance of a home fire.
I would suggest that Aluminum is preferable. It is lighter than steel, which can result in a higher performance vehicle (faster acceleration, better braking, improved fuel economy). Furthermore, unlike steel, aluminum will not rust. Aluminum is also easier to recycle. Aluminum cars have a stiffer feel- giving them a sportier feel, and absorb impact about 1.5 times as well as steel, making them safer. The downside, of course, is the high cost of aluminum compared to steel.
Aluminum is used on aircraft instead of steel. This is because the density of aluminum is about 1/3 that of steel (meaning it is lighter). Aluminum is also more ductile than steel, allowing for it to bend or elastically deform without damaging the material.