
How do you power wash fiber cement siding?
- Use Pressure Washer Detergent. Soap and water is always a better cleaning combination than water alone.
- Apply the Detergent Solution. Apply the soap mixture under low pressure with smooth, overlapping strokes.
- Use a Brush for Tough Spots.
- Let it Work in Before Rinsing.
- Start From a Distance.
What should I do if my fiber cement siding needs cleaning?
Depending on what’s being scrubbed off your siding, breathing in debris or chemicals splashing onto your skin can be hazardous. Be sure to take extra precautions when dealing with mold or mildew. The next thing you should do is inspect your fiber cement siding. Walk around your home and check for damage by natural hazards or falling branches.
Can You Power Wash James Hardie fiber cement siding?
If there isn’t much dirt or debris on your James Hardie fiber cement siding, try using your soap, brush, and garden hose before using a power washer. Before using a power washer for the first time, it is a good idea to consult with your siding contractor.
How do you clean mold and mildew from fiber cement siding?
When dealing with mold and mildew buildup, you’ll need your soft sponge or cloth and your water hose, plus a mild cleanser that’s safe for fiber cement siding. James Hardie recommends Mildew Check ®, Jomax ®, or Mold Armor ®. Follow the product recommendations to avoid injuring yourself or damaging your siding.
How do you clean James Hardie fiber cement?
A low pressure water spray* and a soft medium bristle (non-metal) siding cleaning brush is most suitable for cleaning fiber cement products. NOTE: Acid and high pressure washing can damage the fiber cement surface and is not recommended. Clean James Hardie ColorPlus® products by using water and a soft brush or cloth.

Can you power wash Hardie siding?
It's recommended to pull out the garden hose and douse your home siding every 6-12 months. Don't use a high-pressure power washer to get the job done, as it turns out a low-pressure hose and a soft medium bristle (nonmetal) brush is the best way to remove dirt and debris from James Hardie® siding and trim.
How do you remove mildew from Hardie siding?
Use your soft sponge or cloth and lightly scrub the mold or mildew with the cleanser. Once it's clean again, use your water hose to thoroughly rinse the area with water. A man power washing a house. Use caution when using a power washer to clean your fiber cement siding from James Hardie.
How do you clean Fibre cement?
A low pressure water spray* and a soft medium bristle (non-metal) siding cleaning brush is most suitable for cleaning fiber cement products. NOTE: Acid and high pressure washing can damage the fiber cement surface and is not recommended. Clean James Hardie ColorPlus® products by using water and a soft brush or cloth.
How do you care for fiber cement siding?
How to Maintain Fiber Cement SidingFiber Cement: A Low-Maintenance Material.Inspect the Caulking Regularly to Keep Moisture Protection High.Maintain Gutters and Downspouts.Keep Siding Clean to Prevent Problems Down the Line.Fiber Cement Must Be Repainted.
Can you pressure wash fiber cement siding?
The manufacturer recommends that you do not pressure wash your Hardie siding. The hard spray of water from the power washer can damage the surface of the siding. In fact, pressure washing fiber cement siding is one of the only ways you can damage this durable type of siding.
Can I use bleach on Hardie board siding?
You can use bleach to clean your Hardie Board of mold and mildew.
What are the disadvantages of fiber cement siding?
Top 5 Problems With Fiber CementFiber cement siding requires maintenance.Fiber cement siding absorbs moisture.Fiber cement is difficult to install.Fiber cement is not the most environmentally friendly siding.Fiber cement is not energy efficient.
Does fiber cement siding absorb water?
Because this material is porous, it can also absorb water through the cut edges. This water can then cause the product to crack or split, especially in colder climates. Moisture can also cause mold or mildew in the sheathing. Fiber cement also takes a long time to dry, unlike wood siding which drys quickly.
Why does fiber cement siding crack?
Fiber cement planks are floppy until secured on the wall and holding only in the middle or transporting over a shoulder will cause a dramatic sag at both ends. The stress can cause a crack at the center of a board.
Does fiber cement siding require maintenance?
Fiber cement siding comes with some of the most extended guarantees in the industry, typically around 50 years, so it's among the longest-lasting siding products. It will need occasional repainting, however, usually every 10 to 15 years or so, depending on the quality of the paint.
How often should fiber cement siding be painted?
every 10 yearsHowever, to keep your fiber cement siding looking and working its best, it's essential to repaint it every 10 years or so and performing basic repairs to cracks or splits in the fiber cement and caulking regularly.
How long does fiber cement last?
50 yearsFiber cement siding typically lasts up to 50 years if it is properly installed and well maintained. The initial investment in this strong siding pays off for decades. It will beautify your home and protect it from the elements.
How Often Should You Pressure Wash Your House?
On average, you should only need to power wash your home about once every two years. However, you might choose to get this service done more often to keep your home looking clean. Beyond a personal preference, your home’s surface might also need cleaning more frequently because of a few different factors.
Can You Power Wash Windows?
You can power wash windows, but it’s not always recommended. For one, power washing can damage windows and window frames. Also, water can enter through gaps, which can lead to mold growth and further damage around your home. That’s why it’s usually wisest to clean windows another way.
ABC Can Get Your Home Nice and Clean
Instead of learning how to clean your home yourself (and getting dirty in the process), contact ABC Home & Commercial Services. We offer a variety of exterior cleaning services, including power washing, gutter cleaning and window cleaning.
We've Got What It Takes To Clean Your Fiber Cement Siding
Cleaning your home's siding requires a lot of time and labor. Another option is pressure washing, but you have to be careful not to damage the surface. If you'd rather have experts clean your fiber-cement siding, call Dillenger Pressure Washing today. We use soft washing to get rid of stains on delicate surfaces like fiber-cement.
Call Us For The Best In Gaffney Mold And Algae Removal
Want to make your Gaffney place look its best? Call us and ask about our mold and algae removal. It's the best way for getting mildew and other harmful organic growth off your property exteriors. This is important, and not just because it looks good.
What to use to clean mold on siding?
When choosing a soap, avoid harsh chemicals. Harsh chemicals may damage the siding. If you are dealing with mold and mildew buildup, you can choose a mild cleanser like Jomax®, Mildew Check® or Mold Armor®. Make sure to dilute any concentrated soaps like dish soap. A little goes a long way.
Does James Hardie need to be cleaned?
Here’s how to safely and effectively clean James Hardie fiber cement siding. James Hardie Siding shouldn’t need cleaning very often. It is resistant to mold, mildew, and fading. James Hardie fiber cement siding requires very little maintenance, but like all things, it can get a bit dirty over time.
What is the best way to clean siding and trim?
Extra care should be taken when cleaning your siding and trim using a pressure washer.
What is fiber cement maintenance?
As a guide, it is recommended that normal fiber cement maintenance tasks and care include: Installing gutters and downspouts on your home —if they are not already present when you purchased the home. Cleaning out your gutters, blocked pipes, and overflows of any debris, leaves, twigs and dirt.
How much pressure should I use to keep siding and trim from leaking?
To minimize the chance of damaging your siding and trim use a wide fan tip, keep a minimum of 6 feet from the wall, and keep the pressure below 1500 psi. Maintaining the exterior of your home helps prevent water intrusion and is an important part of sustaining the beauty and value of your home.
Can you replace James Hardie siding?
It is advised to replace the damage siding with a new section of ColorPlus® siding. If your James Hardie siding was originally painted after it was installed on your home, then check the original paint manufacturer’s recommendations for reapplication of paint.
Can James Hardie siding be filled with cementitious?
Dents, chips, cracks and other minor surface damage in James Hardie siding and trim products can be filled with cementitious patching compound. Refer to manufacturer’s recommendations for products that are compatible with fiber cement.
