You can also use oil based alkyd paint but.
Galvalume painted roofing.
Bare galvanized and painted galvanized perform better in this type of environment.
With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty.
Galvanized steel and galvalume offer excellent value.
Galvalume is a trusted low maintenance product that is known for durability.
Pbr panels are cut with aviation shears and their strength to weight ratio makes them easy to use and transport.
Treat the sheet steel with an etching primer or flaking will result.
Proper roof inspections and maintenance is still required as with any other roof system.
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.
While galvalume isn t yet 60 years old the product should easily last 50 years when painted and maintained.
For example a galvalume section that is 16 x3 known as a classic rib steel roof panel is 29 gauge steel and comes with a 25 year warranty.
Major costs of galvalume roofing.
Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe.
The standard is a 55 a z coating underneath the painted metal is a 50 a z coating.
Concrete and mortar are highly alkaline environments.
Underneath a painted metal roof there is a galvalume coating.
As far as the warranty goes metal roofs hold up great and.
The distinctive galvalume finish will stand up to all kinds of wind and weather and is florida code approved for residential roofing applications.
If you want to paint a galvalume surface consider a crucial point.
The big difference is that aluminum will oxidize chalk if exposed to the elements but the aluminum will not look unsightly and continue on with a.
Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.
Galvalume should not be used on in or around concrete or mortar.
Its versatility ease of use aesthetic appeal and long term service life extending performance makes galvalume coated steel roof panels the most economical and sustainable coating option for your customers new and retrofit applications.
Aluminum roofing comes with paint finishes as well and have their own warranties.
Closing thoughts on steel roofing.
Galvalume will reject paint unless it is properly treated.
Paint finish warranties are key to understanding the expected longevity of a galvanized or galvalume metal roof.
Bare galvalume and painted galvalume sheets suffer rapid corrosion when in contact with mortar and concrete.