If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
What type of paint to use on metal roof.
However this could be a problem because the roof is made up of different materials than the rest of their house.
Because sheet roofing is often chosen as a more economical type of metal roofing the paints used on sheet metal roofing are often lesser quality.
You can also use oil.
Some people painting their roof with the same type of paint as used with the rest of the home.
What kind of paint should you use on a metal roof.
This is a huge factor in what coating system you ll want to use and is critical to determining how to prepare the existing surface.
Large cans may be the most cost effective option when painting large linear metal objects such as fences and backsplashes but spray paints e g rust oleum hammered metal finish spray 8 74.
To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof.
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.
One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old.
Usually however the reason a paint job doesn t last is because the painter failed to use a primer.
Galvanized roofs require the use of a different paint than what is used on terne metal.
You ll also need to purchase a primer designed for metal roofs.
Terne is best painted with an oil based paint.
A tin roof is no different.
The paint must be able to withstand boiling temperatures from the sun s rays as well as be fire proof water proof and able to fend off any pest invasions.
Make sure to apply a thin coat of primer and allow it to dry thoroughly before you paint.
You cannot use any of your normal house paints to paint a metal roof.
Metal roofing paints need to be made specifically for the conditions that they are going to encounter.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Surfaces such as metal and raw wood require at least one coat of primer before you paint them.
This saves even more money on the overall system.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint.
Type of paint to use.
The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with.