Galvinized Metal Roof Vs Painted Steel Roof

Underneath a painted metal roof there is a galvalume coating.

Galvinized metal roof vs painted steel roof.

Also see complete list of types properties of metals used in roof systemsfor more about galvanized steel roofing. For one it is inexpensive. With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty. It s also productive steel that can be applied to many different applications.

Tin roofing is an often requested item by enthusiasts around the united states and canada. 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. In fact tin is an incredibly rare and unused metal for roofing. The term is used interchangeably with metal roofing steel roofing or galvanized steel.

Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof. The standard is a 55 a z coating underneath the painted metal is a 50 a z coating. Galvanized steel also has many advantages. That s the normal length of warranty on kynar 500 paint finish.

Details about galvanized metal roofing are at galvanized steel roofs. Aluminum roofing comes with paint finishes as well and have their own warranties. 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. Tin itself is an element like copper or zinc.

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. Some of its more common uses include cars steel frame houses and roofing. The metal roofing alliance recommends g 90 galvanized steel for roofing which has 90 ounces of zinc per square foot. Both types of steel can be painted to improve durability.

As far as the warranty goes metal roofs hold up great and. It s also utilized in drain pipes and siding. If crawling around on a metal roof in the hot sun does. 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.

Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. 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. That coating isn t as dense.