Low permeability, CLAF® mesh housewraps with superior tear strengths and built-in multi-directional drainage features.

JX ALTA™ LP is the only low-permeability housewrap in the industry that includes a built-in, multi-directional drainage plane. 

The CLAF® mesh we use in every roll of JX ALTA™ LP product does more than just increase roll strength and and tear resistance - it also creates a geometric surface plane, across which water and rain flow off with ease.

The film component of the LP housewrap product is translucent, which significantly reduces common installation errors, tearing and puncturing. This breathable film is laminated with our unique CLAF® mesh material. The final CLAF® mesh and a solid film product exceeds industry standards for water holdout and strength - with the added benefit of built-in drainage solutions.

The LP housewrap product is unique in the housewrap market. It’s the only translucent, low-perm housewrap made with CLAF® mesh and film, and the only low-perm product that offers built-in multi-directional drainage and added mesh strength. The JX ALTA™ LP housewrap is code compliant and, like the rest of the ALTA housewrap product line, completely covered under warranty.

Technical Resources

LP  Features & Benefits

  • Permeability
  • Non-Perforated Low Perm
  • Multi-Directional Drainage Plane (built-in)
  • Yes
  • CLAF® Mesh Material
  • Yes
  • Code Compliant Air Barrier and Water Resistive Material
  • Yes
  • Custom Printing
  • Yes
  • Manufactured in the U.S.
  • Yes
  • Optional Training Services
  • Yes
  • Roll Dimensions
  • 9’x100’, 9’x150’, 10’x100, 10’x100’

LP  Technical Specifications

  • Basis Weight
    ASTM D 3776
  • 72 gsm
  • Thickness
    ASTM D 3776
  • 8 mils
  • MVTR (perms)
    ASTM E-96, Method A
  • 11.6 perms
  • Drainage Efficiency
    ASTM 2273
  • >95%
  • Tensile Strength
    ASTM D 882
  • 30/30
  • Outdoor Exposure
  • 4 months
  • Flammability
    ASTM E-84
  • Class A
  • Water Resistance
  • >250cm
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testimonial quote

As a builder of residential and commercial buildings in Charleston, SC, we are faced with seasonal rains, high temperatures, high humidity and heavy air conditioning use during the long summer months...  When we stick frame a new house in the Low Country  we look for several features in our Moisture Barrier...  With the unique vertical diamond surface of the Alta Drainable house wrap, the moisture behind the siding is allowed to drain and dissipate providing a more breathable construction. The Alta product is one more element in our battle against the elements and is our house wrap of choice.

~ Jim  Sloggatt - President - Gateway Park Enterprises, LLC

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