Galvanized Steel Vs Aluminum Roof

Modern steel roofs are lightweight with very good corrosion.

Galvanized steel vs aluminum roof.

Steel roofs are usually supplied with a colored finish. Galvalume steel is similar to galvanized but rather than using a primarily zinc coating galvalume uses a combination of aluminum and zinc. The term usually refers usually to one of the zinc coated steels galvanized galvalume zincalume etc and here s a rundown on its attributes. It tends not to hold paint as well.

Galvanized and galvalume steel roofing. Galvanized steel flashing is created by coating metal with a galvanized steel coating which lends to its lower cost than either aluminum or copper. Steel flashing is another type of metal roof flashing that is found in roof construction. However aluminum roofing depending upon the exact product chosen can run up to 20 percent higher in price compared to steel roofing.

Architectural roofing does not require structural integrity in the construction assembly. It is the lowest costing material that is used in roof flashing. Steel roofing on the other hand tends to require a higher initial investment than these materials. Both metals can be used for roofing.

Particularly metal panels made from high tensile steel are known for weather resistant that not contract or expand with the changing weather. Aluminum is a silvery white soft nonmagnetic ductile metal. Aluminum is primarily used for architectural roofing. Aluminum is extremely resistant to corrosion caused by seawater while steel is bit more susceptible to seawater damage over time.

Meanwhile metal roofing also brings some drawbacks that give you some consideration before start to purchase. Steel can be used for structural roofing and architectural roofing. All coated steel materials however are vulnerable to corrosion at field cut edges although galvalume is the least affected table 2 10 below click to enlarge any image lists the advantages drawbacks compatibility and life expectancy of galvanized steel roofing aluminized steel roofing galvalume aluminum copper and zinc metal. Galvanized steel is the most common form of steel roofing material.

Today s metal roofs are a far cry from the corrugated tin barns of the bucolic past indeed now you can choose from tin zinc aluminum copper or galvanized steel in a dizzying array of. Rather than asphalt shingles or wooden materials some of homeowners prefer for gazebo with metal roof. And screws nails should be stainless or aluminum to avoid galvanic corrosion of the aluminum where dissimilar metals touch or get close to each other. In the long run both provide an economical alternative because of the lack of maintenance or replacement but you have to be willing to pony up some.

Aluminum roofs are about 1 3 the weight of steel has very little corrosion.