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 metal roofs for an added layer of protection.
Painted roof tin.
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Oil based primer is the best choice but certain types of latex primer can also be used.
Rust will also be the death of an otherwise great paint job.
This coating is mildew and algae resistant and will not discolor or yellow when exposed to typical high roof temperatures.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
The latest trend in architecture is the use of matte finishes and dark colors for metal roofing siding.
Here s how to make sure you make the right calls while addin.
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A tin roof is no different.
Terne is best painted with an oil based paint.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Make sure to apply a thin coat of primer and allow it to dry thoroughly before you paint.
To ensure that you know what kind of metal your roof is made out of and what kind of paint you should use ask a professional roofer to inspect your home.
Painting metal roofing provides you with a number of steps and decisions throughout the process.
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The second incarnation is what we call terne tin.
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Galvanized roofs require the use of a different paint than what is used on terne metal.
Galvanized metal roofs are usually painted with acrylic based paint.
Find either oil based or acrylic based paint at your local home improvement store.
For pricing and availability.
This material still consists of a steel base but it is coated with a terne alloy in lieu of actual tin.
Removing dirt oil and debris is just one part of a two part process to prepare a tin roof for painting.
The first incarnation of the tin roof was a sheet of steel with a tin coating on the surface to prevent oxidization.
Read the label to make sure the latex primer is treated for exterior use on metal.
One issue that tin roofs have especially older ones is that they can get worn out and rusty rather quickly.
First use the wire brush to remove the loose rust.