Apply the primer to the corrugated metal using your roller.
Painting corrugated steel roof panel.
The panels may have accumulated white rust that will need to be removed before painting.
Step 2 maintain the roof.
Using a primer and finish paint is recommended for best results.
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.
One coat of paint will cover the panels.
You ll also need to purchase a primer designed for metal roofs.
If the paint drips down the panel you re using too much.
The first trick to corrugated metal roof is to not paint a dirty metal roof.
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Allow the primer to dry the manufacturer s recommended drying time before continuing.
Newly installed metal roofs should be allowed to weather for at least 6 months before you apply paint.
Before applying a new coat of paint you need to get rid of any oil debris and dirt buildup that already exists.
Coat the front of the metal working back and forth in long lean strokes.
If this rust is light it.
This may be done by using the steps below.
Use a power washer or brush with a mild cleaner to remove grime and debris.
Materials that you will need.
You ll need to be outside.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
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.
Not using a sealant.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
Repair if you find any spots that have rusted you ll need to sand them down with a handheld electric sander.
Water resistant metal roofing paint for example can be of great value if you live in a rainy area.
Prep pick a nice partially cloudy day with no chance of rain to start off this project.
Clean up drips with a paintbrush and use less paint going forward.