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Products Comparison Guide


Green & Sustainable

Enabling green/sustainable projects across the nation.

Choose Durability

James Hardie® Siding is designed to last a lifetime. Find out why we offer an up to 50-year warranty.

Why Settle?

Find out why James Hardie® Siding products are superior to vinyl.
HardieWrap™ weather barrier
HardieWrap™ weather barrier Non-Perforated Housewrap Perforated Housewrap Building Paper / #15 Felt Comments
Water Resistance AATCC127 325 cm 186-210 cm 10-25 cm 52 cm Higher is better. Compared to other products, HardieWrap weather barrier is more resistant to water intrusion.
Water Vapor Permeance ASTM E-96A 15 Perms 7-58 Perms 6-18 Perms 5-14 Perms ICC requires a water vapor permeance greater than 5. HardieWrap weather barrier provides sufficient drying while reducing water vapor intrusion.
Air Penetration Resistance TAPPI T-460 > 1800
Seconds/100cc		 300-490
Seconds/100cc		 8-16
Seconds/100cc		 N/A
not tested		 Higher is better. HardieWrap weather barrier is more air resistant, which increases the potential to improve energy efficiency.
Trapezoid Tear Strength ASTM D1117 18/15 lbs. 6/6 lbs.* 37/49 lbs. .44/.44 lbs. Higher is better. Tears can result in leaks,leading to serious water damage and mold.

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