Repainting Cement Board Siding

Professional painters share the following tips for getting the best results when painting cement board siding.

Repainting cement board siding.

Complete all the caulking work. Sealing caulking fiber cement siding. Be sure to use paintable caulk. 14 see james hardie technical bulletin 17 for painting and other fiber cement repair recommendations.

Cover bushes with drop cloths. Mask trim and windows. Finish all the cut edges of the cement boards with a primer that s recommended for fiber cement boards. Factory primed siding has already been primed by the manufacturer so you ll just need to add one or two coats of 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. The good news is hardie siding is easy to repaint. To help your 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. Painting fiber cement siding.

While a paint job on fiber cement siding lasts longer than wood usually anywhere between five to fifteen years it will eventually need to be redone. Make sure the cement boards are clean. Take care when re painting to avoid incompatible paints. Cut ends of fiber cement siding should have been sealed using 100 acrylic latex primer or paint certainteed or in some cases using an approved caulk wiped.

The company recommends 100 acrylic paint. Brand new fiber cement siding arrives prefinished factory primed or unprimed. Unlike vinyl aluminum and other siding materials if you choose to install fiber cement cladding be prepared. You will have to repaint it eventually.

Be sure to do this within 180 days of installation.