Maintenance for your fiber cement siding

Feb 23, 2017

Fiber cement siding is a great choice for lasting curb appeal for your home. To protect your investment, you need to do some simple maintenance.

  • Remove dirt and debris by washing the exterior surfaces every 6 to 12 months. Use a garden hose or low pressure water spray, not a pressure washer. For James Hardie fiber cement siding with ColorPlus® Technology, you can scrub stubborn stains with a mild detergent and soft brush (no metal bristles).
  • Clean your gutters and downspouts, removing any debris that could cause water to back up into your home. Your siding should have a water resistive barrier (WRB) and air barrier, to prevent water seepage and air leaks, but maximize your protection by cleaning your gutters at least twice a year.
  • Check the caulking and re-apply as needed, so that moisture does not leak into the wall cavity behind the fiber cement siding. James Hardie recommends caulking that is clearly marked as “permanently flexible”.
  • Maintain drainage slopes and at least a six-inch, external ground clearance around the foundation, below the siding.
  • Trim shrubs, bushes, and small trees that are close to your home. This step helps to prevent the sprinklers from saturating the areas around your home’s structure.
  • When patching chips, dents, and minor surface damage, use only patching compound that is recommended by the manufacturer.
  • Never allow de-icing salt to come in contact with your fiber cement siding. Use sand or gravel instead.

If you’re thinking about re-siding your home and you live in the Kansas City area, talk to us at Johnson County Siding & Window Company. We can show you the many options for giving your home a beautiful, lasting, and low maintenance with new siding.


If you know you want to get your home exterior project done, but are feeling stress about paying for it all at once, we can help.

Our financing partner, GreenSky, has sensible payment plans that work for homeowners who prefer to pay in installments. You can also ask your JoCo Siding & Window Co. sales representative about the details!

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Johnson County Siding & Window Co.
"This is our 3rd project we’ve used JoCo Siding & Window for. They’ve now replaced all of the windows in our house and just recently a new front door and it’s been a great experience with the entire team each time. Kind, on-time and expert installation. Highly recommend!”

- Elizabeth K.

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