Non-perforated for highest breathability and leading water resistance
Next-Generation Building Wrap & Air Barrier Engineered for Superior Performance

CastlePro NXT HP is built around a unique polyester structure to help prevent water intrusion, restrict air movement and allow vapor to escape to create a better functioning wall system. Class-leading water resistance and the highest level of vapor transmission differentiates NXT HP from other nonwoven house wrap products. Suitable for use in residential and commercial products.

Performance Features that Make a Difference

Highest Water Resistance: 400 cm of water resistance when tested in accordance with AATCC 127.
Certified Air Barrier: Exceeds requirements of the International Energy Conservation Code.
Highest Level of Vapor Transmission: Allows water vapor to escape at the highest rate to create a healthier wall.
UV Stable for 180 Days: Engineered to withstand the elements.
Exceeds Building Code Requirements: Compliant with all applicable US codes, including NFPA 285 for mid-rise commercial structures.
Superior Strength Over Nonwoven Products: Enhanced strength properties to mitigate callbacks on the jobsite.
Easier to Install: Familiar look and feel, and small diameter rolls makes installing efficient and cost effective.

Building Code Compliance

ICC Evaluation Services (AC38) / ASTM E 2178 (Air Barrier Material) / HUD/FHA UU-B-790A / NFPA 285

BROADCAST®: The Leader In Custom Printing

All CastlePro Building Wrap and Air Barrier products are available with BROADCAST® custom printed advertising. With BROADCAST, customers no longer need to settle for low-resolution, single-color custom printing. Transform any jobsite into an effective advertising platform through the unique capabilities of BROADCAST:

Full-Color: Print with an infinite number of colors and shades.
Largest Image Size: Artwork can be printed as tall as 40” with unlimited length.
Alternating Messages: Advertise with multiple messages for maximum visibility and impact on the jobsite.
Lowest Minimums: With quantities as low as 10 rolls, onsite advertising with BROADCAST can benefit any sized business and advertisements can be tailored for specific campaigns.

Typical Properties
Property Standard UoM Typical Result1
Basis Weight ASTM D 5261 g/m2 80
Breaking Strength (MD/CD) ASTM D 5034 lbf 65/45
Tear Strength (MD/CD) ASTM D 5733 lbf 6/10
Water Vapor Transmission Rate ASTM E 96, Method A g/m2/24 hours 420
Water Vapor Permeance ASTM E 96, Method A perms 60
Water Penetration Resistance AATCC 127 cm H20 400
Water Resistance ASTM D 779 minutes 60
Water Ponding ASTM E 2556, A 1.1 Pass/Fail Pass
Air Resistance ASTM E 2178 L/sec/m2 @ 75 Pa 0.01
Flame Spread Index ASTM E 84 Class A
Smoke Developed Index ASTM E 84 Class A
Ultraviolet Light (UV) Exposure Internal Days 180
1. Results reflect typical properties of control/non-conditioned specimens. Values should not be interpreted as limiting specifications and will vary within typical manufacturing tolerances.

Roll Sizes
3' x 100' 3' x 150' 3' x 195'
9' x 100' 9' x 150' 9' x 195'
10' x 100' 10' x 150' 10' x 195'
Other sizes available per request.


CastlePro products should be stored away from direct exposure to sunlight. Ensure that CastlePro products are protected from sources of high heat or ignition during transportation, storage and installation.

Warranty Information

All CastlePro products carry a limited warranty. Please consult the resources section of this site or call (804) 321-5867 for a copy of the CastlePro limited warranty. Aside from the published limited warranty documents, no other warranty, express or implied, is given, including any implied warranty of merchantability or of fitness for a particular purpose. The material manufacturer, Jumpstart Consultants, Inc., believes the information and recommendations herein to be accurate and reliable. However, since the use and conditions are not within its control, Jumpstart Consultants, Inc. does not guarantee results from the use of such products or other information herein and disclaims all liability from any resulting damage or loss.

With WrapLab, dynamic advertising custom print designs can be created, previewed and shared for all CastlePro products.

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