Painted Metal Roof Vs Galvalume

That s the normal length of warranty on kynar 500 paint finish.

Painted metal roof vs galvalume.

Selecting metal roofing trim. When corrosion is spot treated to stop its spread and the roof is painted when needed galvanized steel roofing can last 50 years or more. Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. In fact a high end kynar 500 white metal roof is energy star rated and classified as a cool roof by the cool roof rating council.

With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty. That pretty much summarizes the key features of galvalume versus galvanized. Underneath a painted metal roof there is a galvalume coating. With kynar 500 or hylar 5000 paint finish or its equivalent you will not have to paint over your steel roof for at least 30 years.

Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a dark color asphalt shingles roof. For example a galvalume section that is 16 x3 known as a classic rib steel roof panel is 29 gauge steel and comes with a 25 year warranty. That coating isn t as dense. Benefits of metal panels for agricultural buildings.

In a nutshell galvalume is a proven metal roofing material because of its strength outdoor corrosion resistance and longevity. Major costs of galvalume roofing. Selecting applying metal roofing touch up paint. How to prepare for metal roof installation.

Galvalume steel comes in various gauges that determine the quality and price. If you have any other questions about galvalume contact an englert architectural sales representative near you. Aluminum roofing comes with paint finishes as well and have their own warranties. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.

Sheffield metals is a leader in the distribution of coated and bare metal products as well as engineered standing seam metal roof ssmr wall systems. What a consumer will pay for a galvalume roofing system depends on the quality of the material. The big difference is that aluminum will oxidize chalk if exposed to the elements but the aluminum will not look unsightly and continue on with a. The standard is a 55 a z coating underneath the painted metal is a 50 a z coating.