Galvanized Metal Roof Lifespan

Closing thoughts on steel roofing.

Galvanized metal roof lifespan.

Indeed that recent mcgraw. Unlike other roofing materials such as asphalt with kynar 500 steel roofing there is no need for ongoing maintenance to ensure best long term appearance durability and longevity. At the top of the list of metal roofing pros the material s long lifespan is why most homeowners make the switch in either a re roofing or new construction. Metal roofs not only have 25 95 recycled content depending on the material used but are also 100 recyclable at the end of their life as a roof.

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. Along with their dynamic steel construction another factor that contributes to the longevity of a metal roof s life expectancy is the fact that these roofing systems are impervious to insect infestation rot fire and other harmful. The most common metal roof material we see in this area is galvalume which is a steel sheet with an electrolytically applied coating of a combination of zinc and aluminum to extend the lifespan. Metal roofs reflect solar radiant heat which can reduce cooling costs by 10 25.

Plus many galvanized steel roofs have outstanding impact ratings and can even withstand tornado force gales. The cost of a steel roof depends on the sheet profile. High end metal roofing 22 to 24 gauge is popular in northern regions due to its ability to. Table 1 of the standard contains requirements for minimum average coating thicknesses on various.

The expected lifespan of a metal roof is 30 to 50 years in florida with an average of 40 years. Galvanized steel and galvalume offer excellent value cost over their service lifespan.