But over the years your house will experience paint failure faster than if it were applied to clean siding.
How to prepare siding for exterior painting on hardiplank siding.
As an experiment rub a clean white cloth across the unwashed siding.
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.
All you should have to do is rinse your siding use a garden hose no pressure washers here to clean off any dust or dirt.
Put on a mask and hold the spray gun about 1 foot from the siding.
Follow these recommendations to clean the exterior of your home and to help maintain the beauty and value of your james hardie siding.
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.
Here are the steps to prepare and paint your james hardie siding.
The siding must then be allowed to dry thoroughly before any caulking is begun.
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.
Once all caulk is dry and your siding is clean you ll paint hardie plank with a high quality exterior grade acrylic latex.
Acrylic paint is best suited for fiber cement stone and stucco exteriors.
Fill a paint sprayer with exterior acrylic paint.
Then make sure the coating is completely dry before applying the 2 nd coat.
Pressure wash entire exterior.
After your surfaces are primed it is strongly encouraged to use acrylic exterior paint for your home.
Prepare to paint whether you ve got a colorplus finish or custom paint on your existing hardie siding you don t have to use primer when re painting hardie.
If all dirt grime is not removed prior to painting the paint will not adhere correctly.
Paint applied to dirty siding will adhere in the short term.
A professional exterior painting expert will use a spray application for a smooth factory like finish.
Stir the paint with a paint stick to blend the color pigments.