Painting Cement Fiberboard Siding

A pressure washing is necessary to remove chalking the old paint dusty oxidation residue from sunlight exposure.

Painting cement fiberboard siding.

Cement boards also known as hardie boards are a type of fiber cement siding. Wipe away excess with a damp rag don t put too much paint on your brush less is more. Do not paint a cement board unless you have thoroughly cleaned it first or you may have problems with adhesion. Factory primed siding has already been primed by the manufacturer so you ll just need to add one or two coats of paint.

Place the fiber cement siding on top of the sawhorses and brush away with a broom. Use satin finish paint even though it costs more. 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. If you re repainting hardie plank or fiber cement siding you ll first need to clean your home s exterior.

The good news is hardie siding is easy to repaint. Products like hardiplank fiber cement siding will require regular painting to maintain their beautiful appearance unlike other sidings such as brick or insulated vinyl. Finish all the cut edges of the cement boards with a primer that s recommended for fiber cement boards. All you should have to do is rinse your siding use a garden hose no pressure washers here to clean off any dust or dirt.

Brand new fiber cement siding arrives prefinished factory primed or unprimed. This version allows you to paint the fiber cement siding in whatever color scheme you choose after installation. Clean the cement board with a pressure washer. Some factory painted siding panels are available and come with up to 15 year warranties that cover peeling cracking and chipping.

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. This is due to the fact that fiber cement does not soak in the painting products like cedar pine or other wood siding products. There are two common versions for use on homes apartment buildings or commercial structures. A pressure washing will also remove dirt dust mold and mildew.

Do not prime the siding it comes pre primed use 100 acrylic paint caulk transitions where fiber cement meets trim use a quick dry flexible paintable caulk that is designed to bond to fiber cement and your trim material smooth caulk with your finger. Prefinished siding arrives painted and ready for installation so it doesn t require a paint job or other preliminary maintenance. If you are installing new siding finish all the cut edges and the planks with cement board compatible primer.