Painting Cement Fiberboard Siding

If you re repainting hardie plank or fiber cement siding you ll first need to clean your home s exterior.

Painting cement fiberboard 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. Wipe away excess with a damp rag don t put too much paint on your brush less is more. A pressure washing will also remove dirt dust mold and mildew. Some factory painted siding panels are available and come with up to 15 year warranties that cover peeling cracking and chipping.

Cement boards also known as hardie boards are a type of fiber cement siding. Prefinished siding arrives painted and ready for installation so it doesn t require a paint job or other preliminary maintenance. Clean the cement board with a pressure washer. Factory primed siding has already been primed by the manufacturer so you ll just need to add one or two coats of paint.

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. If there s material left on the fiber cement siding it can cause voids in the painting which gives an access point for water. The good news is hardie siding is easy to repaint. Brand new fiber cement siding arrives prefinished factory primed or unprimed.

Step 1 clean the fiber cement siding in order to properly seal the fiber cement siding it needs to be completely free of dust and debris. If you are installing new siding finish all the cut edges and the planks with cement board compatible primer. Place the fiber cement siding on top of the sawhorses and brush away with a broom. 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.

There are two common versions for use on homes apartment buildings or commercial structures. 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. A pressure washing is necessary to remove chalking the old paint dusty oxidation residue from sunlight exposure. Products like hardiplank fiber cement siding will require regular painting to maintain their beautiful appearance unlike other sidings such as brick or insulated vinyl.

Do not paint a cement board unless you have thoroughly cleaned it first or you may have problems with adhesion. This version allows you to paint the fiber cement siding in whatever color scheme you choose after installation. Use satin finish paint even though it costs more.