Galvalume Roof Versus Steel

Galvalume was invented by bethlehem steel in 1972.

Galvalume roof versus steel.

Disadvantages of galvalume steel roofs the main disadvantage of galvalume steel roofing material is the initial cost of the product which is double the cost of a shingled roof. This is known as a galvanized metal. The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel. Iron or steel can be coated with zinc.

Durability gauge the lower the number the more. Metal roofs generally can run from 120 to 900 per 100. We would not recommend using galvalume panels with exposed fastener steel roofing systems such as corrugated or ribbed steel roofs. Here s our breakdown on steel vs.

Common for older buildings in europe steel roofing panels are becoming increasingly popular in north america. It is a trademarked name but many people use it as a generic term to describe a metal roofing product consisting of steel coil coated with a metal alloy. Factors to consider when looking at steel roofs include. It also takes longer and requires special training to be installed as it can easily dent.

Though you ll get more life out of a metal roof you ll pay the price at the time of installation. Galvalume steel is best for use in prefabricated metal wall panels and standing seam metal roof applications with concealed fasteners. Many steel roofing products come with 40 to 50 year lifetime warranties and often last far beyond a half century. Normally galvalume is offered in both bare and pre coated pre painted versions.

Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product. Metal roof installation costs are about the same price or slightly more than your metal panels or shingles. Two popular roofing materials that use this process of binding two or more dissimilar metals are referred to as galvanized and galvalume each of which use steel as the base metal. We install both steel and aluminum standing seam metal roofs so we frequently advise customers as to which material is best for them.

The zinc acts as a protective layer to iron or steel to prevent rust. 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.