This is what james hardie does at the factory and you can have this professionally done for you too.
How to paint james hardie lap siding.
The key advantages of machine painting hardie board prior to install.
Use a long handled scrub brush to remove dirt and dust.
The best way to paint hardie siding is to do it in a controlled environment before it s installed on your home.
If your james hardie siding was originally painted after it was installed on your home then check the original paint manufacturer s recommendations for reapplication of paint.
Do not use stains or oil based alkyd paints on james hardie products.
Please contact the paint manufacturers for their current recommendations specifications and warranty information.
James hardie does not specify paint and will not warrant or accept liability for the performance of field applied finishes.
A professional exterior painting expert will use a spray application for a smooth factory like finish.
Acrylic paint is best suited for fiber cement stone and stucco exteriors.
Then make sure the coating is completely dry before applying the 2 nd coat.
Using the proper materials and paint for fiber cement or hardiplank siding a very good latex primer should be used to prepare the surface for paint.
Pros and cons of painting hardie plank siding.
Manufacturers to provide guidance on their product usage with james hardie primed siding.
Trim the grass and bushes back to allow easier access for cleaning and painting.
Once all caulk is dry and your siding is clean you ll paint hardie plank with a high quality exterior grade acrylic latex.
Then move with the sun and stay in the shade if possible.
Don t paint in direct sun and add a paint additive like paint extender which will slow down the drying time and give the paint time to level out.
Later in the day the surface of the siding can get up to 150 degrees in direct sun light so paint the shady side first thing in the morning.
Wash the siding using dish detergent and water.
After your surfaces are primed it is strongly encouraged to use acrylic exterior paint for your home.