Galvalume Or Painted Roof

While galvalume isn t yet 60 years old the product should easily last 50 years when painted and maintained.

Galvalume or painted roof.

Bare galvalume and painted galvalume sheets suffer rapid corrosion when in contact with mortar and concrete. Before the introduction of galvalume to the metal roofing industry in the late 20th century using galvanized sheet and coil was a common practice. 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. 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.

Aluminum roofing comes with paint finishes as well and have their own warranties. Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof. As far as the warranty goes metal roofs hold up great and painted metal roofs are no exception.

That coating isn t as dense. Consumers won t be cramped for style with a roof made from galvalume steel. The standard is a 55 a z coating underneath the painted metal is a 50 a z coating. Galvanized steel and galvalume offer excellent value cost over their service lifespan.

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. Galvanization or commonly referred to as galvanized is a protective zinc coating that is applied to a steel or iron substrate through a hot dip galvanizing process. Neither galvalume or galvanized substrate is warranted to be used in or around animal confinement or agriculture.

One of the biggest upsides is the obvious. If you want to paint a galvalume surface consider a crucial point. Gibraltar s pbr galvalume panels are the rugged workhorses of agricultural roofing and siding. Pbr is a heavy duty 26 gauge exposed fastener panel using hex head screws with a built in gasket to prevent leaking.

Closing thoughts on steel roofing. Underneath a painted metal roof there is a galvalume coating. Major costs of galvalume roofing. With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty.