MemBrain™ Continuous Air Barrier & Smart Vapor Retarder
At CertainTeed, we believe in a higher level of comfort. We believe in Complete Comfort, where your insulation system successfully controls thermal performance, air tightness, moisture management, and acoustics. That’s why we offer a complete line of high performance insulation products that work together to ensure every building achieves Complete Comfort.
![](https://certainteed.widen.net/content/otw6fhdojh/web/20230405_CertainTeed_APPLICATION_Commercial_Insulation_Membrain_10194.jpg?crop=yes&k=c&w=736&h=552&itok=GSkTcmqw)
Heat, moisture, and sound: successfully manage the entire building envelope.
Occupant comfort at its maximum. Whether protection from unwanted noise, damaging moisture buildup, or temperature fluctuation, our system is seamless.
![3D Rendering of House with no walls to show certainteed wool blowing truck insulation application](https://certainteed.widen.net/content/3jgdtjzoev/web/3d-house-ct-woolblow-truck-1200x460.png?crop=yes&k=c&w=1472&h=828&itok=6oRysuNI)
![Two men installing MemBrain Continuous Air Barrier.](https://certainteed.widen.net/content/1924e0c6-74f5-4570-9b9a-596864392522/web/membrain-air%20barrier-vapor%20retarder.jpg?crop=yes&k=c&w=320&h=213&itok=try6kTMk)
MemBrain
Continuous Air Barrier & Smart Vapor Retarder leverages the industry’s most advanced technology so you don’t have to choose between superior air tightness and permeability.
![sustainable-building-insulation-canada.jpg](https://certainteed.widen.net/content/6cfc80e0-4cbb-419f-8e03-31b6ce9d27b4/web/sustainable-building-insulation-canada.jpg?crop=yes&k=c&w=320&h=213&itok=oMNpLjCP)
Batts & Rolls
Pre-cut sheets of fiberglass insulation to manage temperature and acoustics.
OPTIMA
OPTIMA gives homes a custom-designed, seamless, thermally efficient sound-reducing blanket that completely fills any void. And it’s ready for drywall immediately after installation
![Certaseal Spray](https://certainteed.widen.net/content/60656292-2775-48f9-8e07-cfa6b54206a8/web/certaseal_insulation-spray-application%20(2).jpg?crop=yes&k=c&w=320&h=213&itok=eFfr9nk8)
CertaSeal INT
CertaSeal INT™ from CertainTeed is a spray-applied, water-based acrylic latex sealant that is quick and easy to install and requires minimal personal protection equipment.
![Wide_measuring_cutting_batt_roll_on_OSB_floor-_V1.jpg](https://certainteed.widen.net/content/e799710c-a708-4dea-87fa-c3eec610f6f6/web/Wide_measuring_cutting_batt_roll_on_OSB_floor-_V1.jpg?crop=yes&k=c&w=320&h=213&itok=KLCqBsuR)
Sustainable Insulation
High performance, sustainable fiberglass insulation is thoughtfully engineered, produced, and shipped. It won’t settle, accumulate moisture, or lose its R-value over time.