Air Bloc 31MR Vapor Permeable Air & Water Barrier Membrane, HE031093, Gray, 55 Gal

43805008 MFG #: HE031093
$1,943.43 / EA
Estimated Lead Time: Ships from manufacturer in 14-21 business days
  • Lead Time: Manufacturer Drop Ship
  • Size: 55 Gal
  • Tensile Strength: 119 psi
  • Air: 15 g/L
  • Color: Gray
  • Easy, low cost spray application using simple equipment
  • Cures to a monolithic rubber-like membrane that resists air leakage
  • Integral mold resistant formulation
  • High water vapor permeance provides “breather” characteristics
  • Service Temperature: -40°F to +158°F
  • Meets ASTM E2357, ASTM D1970 and ASTM D5590
  • Description
Henry Air Bloc 31MR is a liquid applied, elastomeric membrane that creates a permeable air & water barrier when applied to above-grade wall assemblies. It adheres to a variety of surfaces such as exterior gypsum boards, CMU, concrete, stone, wood, metal and can even be applied to damp concrete.