When repainting fiber cement siding pressure clean with a minimum of 2100 psi pressure to remove all dirt dust grease oil loose particles foreign material and defective coatings.
Repaint cement siding exterior.
Whatever your reason you will eventually want to repaint your beautiful james hardie exterior.
Prefinished siding arrives painted and ready for installation so it doesn t require a paint job or other preliminary maintenance.
Scrape away any remaining peeled or checked paint and sand those areas.
A pressure washing is necessary to remove chalking the old paint dusty oxidation residue from sunlight exposure.
If you re repainting hardie plank or fiber cement siding you ll first need to clean your home s exterior.
Also sand any glossy surfaces to make them dull.
Acrylic paint is the best choice for cement board.
We have rarely seen this material in a worn friable condition but should that occur one might paint the surface also to stop fiber shedding and to preserve the material.
A pressure washing will also remove dirt dust mold and mildew.
For cement boards that have already been primed 100 acrylic exterior paint is recommended.
Brand new fiber cement siding arrives prefinished factory primed or unprimed.
Rinse thoroughly and allow to dry.
It s especially important if you are working with new cement board to avoid oil based primer.
Factory primed siding has already been primed by the manufacturer so you ll just need to add one or two coats of paint.
The good news is hardie siding is easy to repaint.
As a general rule uv resistance which prevents fade is one of the main benefits that separate the quality of one paint from another.
Your home s exterior is subjected to major stresses that include rain snow uv rays and physical wear.
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.
Most acrylic latex paints will work on the majority of popular exterior home surfaces including wood siding brick fiber cement stucco and eifs engineered insulation finishing system.
All of that is compounded by the sheer difficulty cost and extended timeline for painting a home s exterior making the question of the perfect exterior paint finish a critical one.
It will increase the roughness of the surface of the board.
Roll on more paint to.