Diverse Designs Limited, LLC  tested this revolutionary product at an independent testing lab - MOCON Laboratories - according to WVTR standards (water vapor transmission rate). Tested at 100% humidity and 104°F.  (PDC Sample; Plastic Composite Sample, Industry Sample; 6 mil polyethylene)

Industry sample results of 0.329 were 4X worse than the AccuLok sample result of 0.0868. The lower the number, the less water vapor penetrates the material.