Galvalume Or Painted Roof

Galvalume will reject paint unless it is properly treated.

Galvalume or painted roof.

Bare galvanized and painted galvanized perform better in this type of environment. 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. This means that the company will guarantee that the paint won t chip peel or crack during that time. 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.

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. With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty. Closing thoughts on steel roofing.

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. Major costs of galvalume roofing. One of the biggest upsides is the obvious.

Pbr is a heavy duty 26 gauge exposed fastener panel using hex head screws with a built in gasket to prevent leaking. That coating isn t as dense. Before the introduction of galvalume to the metal roofing industry in the late 20th century using galvanized sheet and coil was a common practice. Bare galvalume and painted galvalume sheets suffer rapid corrosion when in contact with mortar and concrete.

Underneath a painted metal roof there is a galvalume coating. 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. As far as the warranty goes metal roofs hold up great and painted metal roofs are no exception. Treat the sheet steel with an etching primer or flaking will result.

If you want to paint a galvalume surface consider a crucial point. 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. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.