Repainting Cement Board Siding

You will have to repaint it eventually.

Repainting cement board siding.

Prefinished siding arrives painted and ready for installation so it doesn t require a paint job or other preliminary maintenance. Cover bushes with drop cloths. Be sure to use paintable caulk. Professional painters share the following tips for getting the best results when painting cement board siding.

The good news is hardie siding is easy to repaint. Brand new fiber cement siding arrives prefinished factory primed or unprimed. 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. 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. Take care when re painting to avoid incompatible paints. 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. Sealing caulking fiber cement siding.

Finish all the cut edges of the cement boards with a primer that s recommended for fiber cement boards. Be sure to do this within 180 days of installation. Unlike vinyl aluminum and other siding materials if you choose to install fiber cement cladding be prepared. 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.

The company recommends 100 acrylic paint. Painting fiber cement siding. Mask trim and windows. How were butt joints and end joints treated flashed caulked.

Make sure the cement boards are clean.