Apply the primer to the corrugated metal using your roller.
Painting corrugated steel roof panel.
Coat the front of the metal working back and forth in long lean strokes.
Repair if you find any spots that have rusted you ll need to sand them down with a handheld electric sander.
Newly installed metal roofs should be allowed to weather for at least 6 months before you apply paint.
Using a primer and finish paint is recommended for best results.
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If this rust is light it.
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.
Not using a sealant.
You ll need to be outside.
One coat of paint will cover the panels.
You ll also need to purchase a primer designed for metal roofs.
Before applying a new coat of paint you need to get rid of any oil debris and dirt buildup that already exists.
This may be done by using the steps below.
The panels may have accumulated white rust that will need to be removed before painting.
Use a power washer or brush with a mild cleaner to remove grime and debris.
If the paint drips down the panel you re using too much.
If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.
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.
Step 2 maintain the roof.
Prep pick a nice partially cloudy day with no chance of rain to start off this project.
The first trick to corrugated metal roof is to not paint a dirty metal roof.
Step 1 clean the roof.
Materials that you will need.
Allow the primer to dry the manufacturer s recommended drying time before continuing.
Another mistake is to forget or ignore using a sealant before the application of the metal paint.
Clean up drips with a paintbrush and use less paint going forward.