For best results use an elastomeric joint sealant complying with astm c920 grade ns class 25 or higher or a latex joint sealant complying with astm c834.
Best exterior paint for james hardie siding.
Caulking sealant must be applied in accordance with the caulking sealant manufacturerã ââs written.
We ve used sherwin williams emerald paint on hardie board and had good success.
Sherwin williams loxon masonry primer can be used to prime hardie board before painting.
Then make sure the coating is completely dry before applying the 2 nd coat.
A professional exterior painting expert will use a spray application for a smooth factory like finish.
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.
After your surfaces are primed it is strongly encouraged to use acrylic exterior paint for your home.
Choosing a single color is the easiest option but don t feel limited.
They should be able to confirm for you.
There are plenty of siding color combinations available.
Most exterior paints that are commercially available these days will work but always remember to select a 100 acrylic exterior paint no oil based paints or stains.
If you have a james hardie colorplus siding installed keep in mind that repainting it with an aftermarket color will void its warranty.
If you re considering using two main body colors it s best to use a darker color on the bottom half of your home.
If you aren t sure if the paint you ve chosen meets james hardie s standards check with the paint manufacturer.
Sherwin williams emerald is their top of the line acrylic latex exterior paint.
Aside from ensuring that your color choice matches your home s exterior make sure that you choose 100 acrylic paint as oil based paint deteriorates easily.
Acrylic paint is best suited for fiber cement stone and stucco exteriors.
James hardie does not recommend the use of caulk at field butt joints.