Allow the primer to dry the manufacturer s recommended drying time before continuing.
Painting corrugated steel roof panel.
Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process.
Prep pick a nice partially cloudy day with no chance of rain to start off this project.
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Newly installed metal roofs should be allowed to weather for at least 6 months before you apply paint.
You ll also need to purchase a primer designed for metal roofs.
Step 2 maintain the roof.
The first trick to corrugated metal roof is to not paint a dirty metal roof.
As long as you prepare the surface of your roof correctly choose the right primers paints and sealants and apply your products correctly painting your metal roof can extend its life and help make your home more energy efficient.
Use a power washer or brush with a mild cleaner to remove grime and debris.
Apply the primer to the corrugated metal using your roller.
This may be done by using the steps below.
You ll need to be outside.
The panels may have accumulated white rust that will need to be removed before painting.
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.
If the paint drips down the panel you re using too much.
If this rust is light it.
Not using a sealant.
Materials that you will need.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Using a primer and finish paint is recommended for best results.
This is why when you are considering painting your metal roofing it makes sense to go for specific paints for the metal roof.
Before applying a new coat of paint you need to get rid of any oil debris and dirt buildup that already exists.
One coat of paint will cover the panels.
Clean up drips with a paintbrush and use less paint going forward.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Repair if you find any spots that have rusted you ll need to sand them down with a handheld electric sander.