Galvanized Metal Roof Lifespan

Table 1 of the standard contains requirements for minimum average coating thicknesses on various.

Galvanized metal roof lifespan.

Metal roofing is typically made of galvanized or stainless steel sheeting but copper sheets and tiles are also available. Privacy fencing back splashes ceilings wainscoting and craft projects. 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.

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. 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. The expected lifespan of a metal roof is 30 to 50 years in florida with an average of 40 years. 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.

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. 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. Galvanized steel and galvalume offer excellent value cost over their service lifespan. Gibraltar s galvanized steel corrugated panels are trusted by professionals and homeowners for a variety of applications.

This durable and lightweight panel is ideal for roofing and siding but also has many other uses including. The cost of a steel roof depends on the sheet profile. Metal roofs are attractive durable and can last up to 70 years. Plus many galvanized steel roofs have outstanding impact ratings and can even withstand tornado force gales.

While it is not possible to specify an exact thickness of a hot dip galvanized coating north american galvanizers will meet the requirements of astm a123 standard specification for zinc hot dip galvanized coatings on iron and steel products.