How To Paint James Hardie Lap 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.

How to paint james hardie lap siding.

Acrylic paint is best suited for fiber cement stone and stucco exteriors. The best way to paint hardie siding is to do it in a controlled environment before it s installed on your home. Then move with the sun and stay in the shade if possible. Please contact the paint manufacturers for their current recommendations specifications and warranty information.

Manufacturers to provide guidance on their product usage with james hardie primed siding. After your surfaces are primed it is strongly encouraged to use acrylic exterior paint for your home. 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. Do not use stains or oil based alkyd paints on james hardie products.

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. Trim the grass and bushes back to allow easier access for cleaning and painting. Wash the siding using dish detergent and water. Use a long handled scrub brush to remove dirt and dust.

Rake the leaves rocks and dirt away. Then make sure the coating is completely dry before applying the 2 nd coat. Pros and cons of painting hardie plank siding. The key advantages of machine painting hardie board prior to install.

Once all caulk is dry and your siding is clean you ll paint hardie plank with a high quality exterior grade acrylic latex. James hardie does not specify paint and will not warrant or accept liability for the performance of field applied finishes. Apply a bead of flexible latex. A professional exterior painting expert will use a spray application for a smooth factory like finish.