Make sure to use a putty knife to scrape and scratch away all loose pealing paint.
What kind of paint to use on metal roof.
Metal roofs do not need much maintenance other than an occasional cleaning and very occasionally a fresh coat of paint.
Galvanized roofs require the use of a different paint than what is used on terne metal.
Make use of the right kind of paint and primer from sherwin williams to.
However this could be a problem because the roof is made up of different materials than the rest of their house.
What kind of paint should you use on a metal roof.
Metal roofing paints need to be made specifically for the conditions that they are going to encounter.
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.
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.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
There are several different types of metals used in roofing applications.
Terne is best painted with an oil based 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.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
You can use either a water based acrylic paint or an oil based paint as long as the container identifies for metal somewhere on its labeling.
However if the old roof already has a coat of paint on it you ll need to prepare the surface for the fresh coat of paint.
You ll also need to purchase a primer designed for metal roofs.
The first step in painting any metal roof is determining what substrate and existing coatings you are dealing with.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.
Some people painting their roof with the same type of paint as used with the rest of the home.
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.
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.
You cannot use any of your normal house paints to paint a metal roof.