
Supplier product photography. Confirm your final color with a physical sample.
Henry Company
Air-Bloc 31MR Vapor Permeable Air & Water Barrier Membrane - 55 Gallon Drum
QXO product C-257173 · 1 options
Selected: Grey
QXO SKU 708109 · Product number HWB41913
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PK
- Item Weight
- 650
- Algae Resistance
- No
- Applicable Standards
- ASTM E2357 ASTM D5590 ABAA Accreditation Commercial Energy Code (780 CMR)
About this product
The Air-Bloc 31MR is a liquid applied, elastomeric membrane designed to provide a permeable air & water barrier when applied to above-grade wall assemblies. Liquid-applied with a trowel or spray, Henry's Air-Bloc 31MR is a one-component, rubberized membrane that provides an air barrier when applied to a range of construction surfaces. Air-Bloc 31MR cures to a tough, monolithic rubber-like membrane. It is resists air leakage and water penetration. Air-Bloc® 31MR combines the proven performance of Air-Bloc® 31MR with the addition of Henry antimicrobial technology to create an integral mold resistant membrane. Features: Retains flexibility over a wide temperature range and bridges cracks Adheres to most construction surfaces, including block, concrete, stone, wood and metal Can be applied to damp concrete Contains no organic solvents

