Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole roof.
Best paint for sheet metal roof.
A topcoat doesn t eliminate the need for a good primer the topcoat seals your paint but the primer makes the paint adhere properly.
A typical acrylic paint behr pro e600 acrylic paint 23 98 per gallon at the home depot also has less organic material than oil paint so it s less likely to form mildew and mold making it a.
You can apply something like ospho affil.
Galvalume is a type of sheet steel used in a variety of applications including roofing siding furniture gutters and pipe.
Treat the sheet steel with an etching primer or flaking will result.
You can also use oil based alkyd paint but.
To make the optimum choice for your roof consult a paint specialist.
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 will reject paint unless it is properly treated.
A roof that will be often exposed to direct sunlight will perform best with a different paint composition than one in a damp shaded area.
If you want to paint a galvalume surface consider a crucial point.
As part of choosing the best type of paint for galvanized metal you need to consider factors such as where the painted metal will end up.
For instance if you are painting an item that will be left outside such as a swing set or a roof then you should choose a paint that can withstand the elements.
Oil based alkyd paint may also be used with an appropriate galvanized metal primer.
Find either oil based or acrylic based paint at your local home improvement store.
A paint which will stick well like self etching primer is good and it s necessary if you have real rust.
Acrylic latex paint is a good choice for bare metal roofs and to go over old paint.