HardieWrap™ weather barrier
| HardieWrap™ weather barrier | Residential Tyvek | Commercial Tyvek | Perforated Housewrap | Building Paper / #15 Felt | Comments | |
|---|---|---|---|---|---|---|
| Water Resistance AATCC127 | 325 cm | 210 cm | 280 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 | HZ5™ - 25 Perms HZ10™ - 15 Perms |
58 Perms | 23 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 |
> 1500 Seconds/100cc |
> 1500 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. | 10/12 lbs. | 37/49 lbs. | .44/.44 lbs. | Higher is better. Tears can result in leaks, leading to serious water damage and mold. |
| UV Rating Warranty | 180 | 120 | 270 |
