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HardieWrap® Weather Barriers


hardie wrapLike all James Hardie® exterior products, HardieWrap® weather barriers are specifically Engineered for Climate®, so your home’s second line of defense stands up to the elements, no matter which season we are in.

Together, the HardieWrap weather barrier, HardieWrap Pro-Flashing, HardieWrap Flex Fashing, and HardieWrap Seam Tape form an important part of a home’s weather protection envelope.

When installed properly, these products help prevent water damage, mildew and energy loss.

HardieWrap weather barrier is installed over the sheathing—beneath the exterior siding—to reduce water and air infiltration.


In independent tests, HardieWrap weather barrier outperformed its nearest competition in each of these categories: water holdout, air penetration resistance and tear resistance.

View the test results


Each HardieWrap product has unique qualities and purposes. Learn more about the products, as well as best uses and practices, below.


The things we value most should last the longest. That’s why we invented fiber cement and remain committed to continually raising the bar for the rest of the industry. For decades, James Hardie has made the most beautiful, durable siding and trim products on the market.


Siding is exposed to Mother Nature all day, every day, for years. Weather, water, time, fire and pests—all can lead to trouble. That’s why James Hardie’s hardworking products are engineered to stand up beautifully, whatever the elements.

GIANT Siding and Windows

GIANT Siding and Windows is home to a team of dedicated, professional, siding installers. Most of our crew has been with me for over ten years.

As James Hardie Alliance Contractors we work closely with James Hardie, to ensure the product is installed properly ensuring our customers get the best siding warranty in the business.

At GIANT Siding and Windows, we know that price is often an important element when choosing siding, but we also know it is important to look for more than just price. Return on investment, cost vs value, maintenance cycles, aesthetic integrity are all critical elements to consider in the siding process.

fairfield ct window replacement companyWe are a Westchester County-based Roofing CompanyWindow Installer and Siding Installation Contractor, proudly serving homeowners throughout Westchester NY and Fairfield County CT for 3-Generations!

Unlike other Westchester siding contractors that offer door replacement and window installationroofing, and siding, at GIANT Siding and Windows, all our teams do is roofing, siding, and windows. We are true experts in our craft.