Products Comparison Guide

Green & Sustainable

Enabling green/sustainable projects across the nation.

Find out how our products protect your home from some of its most common enemies: fire, hail, and hurricanes.

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

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.