Vapor Retarder Get the best technology to stop moisture damage, in any climate, all year long. Ensure long-term occupant comfort. A crucial layer of wall construction, manage moisture to keep interiors optimized. Learn More The Smartest Barrier Available MemBrain allows moisture to move as levels change, adjusting to changing circumstances. Learn More Go Beneath the Surface… OPTIMA InsulPure TRG Multimedia CertaSeal INT Related Content With our extensive selection of products, you have the power to turn any ordinary space into something extraordinary. View All Inspiration Building Insulation Increase Energy Efficiency During Heating Season Fiber Glass Insulation Is an Easy Way to Improve Thermal Performance As a northern country with notoriously long, cold winters, Canada has very high Learn More Building Insulation Increase Energy Efficiency During Heating Season Building Insulation Fiberglass Batt Insulation Contributes to Highest LEED® Certification Building Insulation Safeguarding the Health of Building Occupants Building Insulation Fiberglass Insulation and Vapor Barriers Residential Roofing Siding Building Insulation Drywall Ceiling & Wall Systems Mitigating Risk with Precision: How ONE PRECISION ASSEMBLIES™ Elevates Construction Make the Genius Choice. Help homes breathe easy with a vapor retarder that adapts to any environment. LET’S TALK MEMBRAIN