Galvalume Or Painted Roof

Galvanized steel and galvalume offer excellent value cost over their service lifespan.

Galvalume or painted roof.

One of the biggest upsides is the obvious. Major costs of galvalume roofing. That coating isn t as dense. Underneath a painted metal roof there is a galvalume coating.

Bare galvalume and painted galvalume sheets suffer rapid corrosion when in contact with mortar and concrete. The standard is a 55 a z coating underneath the painted metal is a 50 a z coating. Consumers won t be cramped for style with a roof made from galvalume steel. Pbr is a heavy duty 26 gauge exposed fastener panel using hex head screws with a built in gasket to prevent leaking.

If a certain color is desired the manufacturer will use a high quality baked on enamel that is warranted to last for up to 40 years. As far as the warranty goes metal roofs hold up great and painted metal roofs are no exception. Bare galvanized and painted galvanized perform better in this type of environment. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.

Galvalume will reject paint unless it is properly treated. 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. Closing thoughts on steel roofing. With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty.

Aluminum roofing comes with paint finishes as well and have their own warranties. Treat the sheet steel with an etching primer or flaking will result. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe. Before the introduction of galvalume to the metal roofing industry in the late 20th century using galvanized sheet and coil was a common practice.

While galvalume isn t yet 60 years old the product should easily last 50 years when painted and maintained. Neither galvalume or galvanized substrate is warranted to be used in or around animal confinement or agriculture. Additionally primer and paint adhere better to galvalume coated panels and they carry a 20 year limited warranty while galvanized panels do not making them a smarter long term investment for your customers homes agricultural buildings or commercial properties. This means that the company will guarantee that the paint won t chip peel or crack during that time.