That coating isn t as dense.
Galvalume painted roofing.
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.
Bare galvanized and painted galvanized perform better in this type of environment.
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.
You can also use oil based alkyd paint but.
The distinctive galvalume finish will stand up to all kinds of wind and weather and is florida code approved for residential roofing applications.
With that being said the painted metal roof has a 40 year warranty on the paint and 30 year fade warranty.
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.
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.
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.
Pbr panels are cut with aviation shears and their strength to weight ratio makes them easy to use and transport.
Galvalume steel comes in various gauges that determine the quality and price.
Proper roof inspections and maintenance is still required as with any other roof system.
Concrete and mortar are highly alkaline environments.
Galvanized steel and galvalume offer excellent value.
While galvalume isn t yet 60 years old the product should easily last 50 years when painted and maintained.
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.
The standard is a 55 a z coating underneath the painted metal is a 50 a z coating.
Treat the sheet steel with an etching primer or flaking will result.
Closing thoughts on steel roofing.
If you want to paint a galvalume surface consider a crucial point.
What a consumer will pay for a galvalume roofing system depends on the quality of the material.
Major costs of galvalume roofing.
Aluminum roofing comes with paint finishes as well and have their own warranties.