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Is your siding’s water-resistive barrier doing its job?

Feb 16, 2017

No matter how expertly your home’s siding is installed, there’s always a chance it might leak. To prevent damage to your home, you need a wall sheathing known as a water-resistive barrier (WRB), that provides a plane for draining off any water that seeps past the siding. Tyvek, for example, is a common WRB.

You also need an air barrier, which prevents that prevents the flow of air to boost energy efficiency. Air leaks can occur at seams and edges, and basement rim joist areas, to name a few.

James Hardie, the leader in fiber cement siding, developed HardieWrap®, a weather barrier that functions as both a water resistive barrier and an air barrier. This protective layer prevents air leakage while letting vapor escape and keeping water away from your home’s interior surface.

Climate has a significant impact on the effectiveness of the WRB and air barrier, so HardieWrap is engineered to accommodate those differences, indicated by HardieZone® regions. HZ5® is designed for the cold and wet climates that prevail in the northern states of the U.S. HZ10® is used in the hot and humid regions located in the southern states.

Johnson County Siding & Window Company specializes in fiber cement siding, which is recognized for its exceptional appearance, durability, and low maintenance. If you live in the Kansas City area and want to explore the advantages of James Hardie fiber cement siding, please contact us.


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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Our Customers LOVE The Results

Johnson County Siding & Window Co.
"Working with Johnson County Siding & Windows was a pleasure. They delivered high quality work swiftly for a reasonable price and were respectful of my home. Highly recommend Johnson County Siding & Windows for window replacement!”

- David D.
Johnson County Siding & Window Co.
"Everyone associated with the company was professional and respectful. Our windows look great, communication was very good, and the time line was manageable. Would recommend!”

- Sheri C.
Johnson County Siding & Window Co.
"We are impressed with the quality of the work and we are very pleased with the value after comparing to other options. The crew that did the siding was absolutely awesome. And we are thrilled with the James Hardie Color Plus Siding for the low maintenance from here on out! Thank you to everyone at Johnson County Siding & Window from their sales person to their lead manager and to the crew!”

- Sharon M.

Areas We Serve

Serving the Kansas City Metro Area, Including Olathe, Overland Park, and Leawood See a Full List of the Cities We Serve
Google Rating
Based on 201 reviews

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