Galvinized Metal Roof Vs Painted Steel Roof

Both types of steel can be painted to improve durability.

Galvinized metal roof vs painted steel roof.

The standard is a 55 a z coating underneath the painted metal is a 50 a z 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. The metal roofing alliance recommends g 90 galvanized steel for roofing which has 90 ounces of zinc per square foot. The term is used interchangeably with metal roofing steel roofing or galvanized steel.

That s the normal length of warranty on kynar 500 paint finish. Details about galvanized metal roofing are at galvanized steel roofs. For one it is inexpensive. Galvalume metal roofing system properties.

That coating isn t as dense. Underneath a painted metal roof there is a galvalume coating. With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty. That alloy is 45 zinc and 55 aluminum and looks similar to galvanized steel but the visible crystals are smaller and close together giving it a smoother appearance.

Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. In fact tin is an incredibly rare and unused metal for roofing. Galvanized steel also has many advantages. It s also utilized in drain pipes and siding.

Aluminum roofing comes with paint finishes as well and have their own warranties. Typical g90 galvanized metal roofing can cost anywhere from 5 00 to 13 00 per square foot and can fluctuate further based on thickness color installation costs location and more. Tin itself is an element like copper or zinc. 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.

Longevity in the right environment when galvanized metal roofing or wall systems are installed in the right environment they ve been known to last decades. Paint adheres better to galvanized steel than to galvalume so it requires repainting less often. Also see complete list of types properties of metals used in roof systemsfor more about galvanized steel roofing. If crawling around on a metal roof in the hot sun does.

Some of its more common uses include cars steel frame houses and roofing. As far as the warranty goes metal roofs hold up great and. It s also productive steel that can be applied to many different applications.