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Let's face it, moisture management is just not sexy. There are no beautiful colors or textures. Friends won't flock to your home to see your new moisture barrier like they will to see your new siding. It's doubtful you'll carry a picture of it in your wallet. Why, then, is it so important?




The elements are constantly trying to attack your home. Heat, cold, ice, fire, insects, water, wind, uv rays and more are regularly bombarding the structure. It is essential that these damaging elements be contained, or they could destroy your home, or at the very least, cost you valuable energy dollars. Water, perhaps, is the most damaging. In the short term it causes mold and mildew. In the longer term it causes rot and decay of the very structure.

Excessive moisture, in addition to damaging your home, can create many health problems. Allergies and a variety of breathing problems can be caused by the excessive humidity as well as the mold and mildew that it causes.

Because of its composition, weight, thickness and exacting installation, James Hardie siding provides better protection against the elements, including water. However, it simply isn't enough. Moisture is relentlessly trying to seep in, and excess moistures from inside (steam, showers, laundry, cooking) is always lingering.

That is why James Hardie invented their HardieWrap® weather barrier and made it an integral part of their installation process.

The HardieWrap weather barrier is an innovative, higher performing weather barrier made by James Hardie, maker of America's #1 brand of siding. HardieWrap weather barrier provides a balance of water resistance and water vapor permeability, reducing water intrusion from the outside while releasing water vapor from inside the home to dry out the wall cavity.

The Science Behind the Siding™
HardieWrap weather barrier is a premium, non-woven, water-resistive barrier. It contains a unique MicroTech™ Coating that enables higher performance:

  • Provides a balance of water holdout and breathability
  • Superior air resistance to reduce energy loss in the home
  • Thicker 11 mil sheet for exceptional tear resistance

The complete HardieWrap weather barrier solution includes HardieWrap weather barrier, HardieWrap® Flashing, HardieWrap® Flex Flashing and HardieWrap® Seam Tape. Together they form an important part of a home's weather protection envelope to prevent water damage, mildew and energy loss.

If you completely ignored the beauty of James Hardie siding, if you completely ignored the fact that it's the longest lasting, least maintenance siding available; James Hardie would still be the wise choice just for the moisture barrier and the protection it provides. And it comes standard with every James Hardie siding installation. It's that important!

We know how to fix problems

Over the years we have delt with hundreds of instances of moisture damage. Our professional staff is highly skilled in repairing the damage, and more importantly, in insuring that your home is protected against it ever happening again.