Galvalume Or Painted Roof

This means that the company will guarantee that the paint won t chip peel or crack during that time.

Galvalume or painted roof.

One of the biggest upsides is the obvious. 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. Consumers won t be cramped for style with a roof made from galvalume steel.

Underneath a painted metal roof there is a galvalume coating. Galvalume will reject paint unless it is properly treated. Bare galvalume and painted galvalume sheets suffer rapid corrosion when in contact with mortar and concrete. 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.

Bare galvanized and painted galvanized perform better in this type of environment. 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. 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. Aluminum roofing comes with paint finishes as well and have their own warranties. The standard is a 55 a z coating underneath the painted metal is a 50 a z coating. 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.

With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty. Major costs of galvalume roofing. If you want to paint a galvalume surface consider a crucial point. Galvanized steel and galvalume offer excellent value cost over their service lifespan.

Treat the sheet steel with an etching primer or flaking will result. That coating isn t as dense. Closing thoughts on steel roofing. Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.