Best Primer For Hardie Siding

For additional information on finishing james hardie products download technical bulletin 22 from here.
Best primer for hardie siding. Our primer is optimized for superior adhesion to 3rd party topcoats. You need to have the best caulk for hardie siding to help your walls and wooden surfaces to get rid of open cracks and thin spaces between joints. The best way to paint hardie siding is to do it in a controlled environment. Apply some type of primer.
Using the manufacturer s brand can ensure your warranty remains in effect. Paint hardiplank siding within installation time frame after installation of primed hardiplank siding it is recommended to have it painted within 180 days or roughly 6 months. Sherwin williams loxon masonry primer can be used to prime hardie board before painting. Re applying caulking when it has begun to show signs of wear can help keep moisture from getting into the wall cavity.
Do not use stains or oil based alkyd paints on james hardie products. In fact with the right paint and application hardie plank siding can look good for up to twenty years. That s why james hardie developed primeplus sealer and primer the first factory applied primer designed specifically for fiber cement siding products this is the yellow hardie board. But here the main problem is people usually don t find the right type of caulk for their works.
To help the new paint adhere to the fiber cement siding and to get the most uniform looking finish on your paint job the best practice is to apply one coat of a quality exterior latex stain blocking or masonry primer to all of the siding. If you use sashco s acrylic latex caulking sealant you can have any interior or exterior as good as new. There are still a few special guidelines that must be considered for best results of hardiplank siding. Our distinctive gold primer for hz10 products and green primer for hz5 products are climate tested and engineered to enhance the performance of paint on james hardie fiber cement siding.
For cement boards that have already been primed 100 acrylic exterior paint is recommended. No matter what james hardie siding product you choose applying a top quality primer is the first critical step to ensure lasting performance and beauty. Best kind of paint to use for hardie plank and fiber cement siding. Most cement board manufactures offer a special primer for use on their unprimed siding selection.
We know that hardie comes pre primed and they say you have 180 days to apply your top coat but we usually opt to prime before painting just in case the primer is older than we.