Please ensure Javascript is enabled for purposes of accessibility Vapor Retarder | CertainTeed
Logo
Two men installing MemBrain Continuous Air Barrier.

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
Cut-away illustration of CertaWrap wall detailing layers of protection

The Smartest Barrier Available 

MemBrain allows moisture to move as levels change, adjusting to changing circumstances. 

Learn More
A roll of MemBrain Vapor Retarder on a gray background.

Go Beneath the Surface… 

OPTIMA 
A roll of Optima insulation on a gray background.
InsulPure 
Attic image of InsulPure R 38 insulation installed kraft face side down with packaging on top
TRG Multimedia
CertaSeal INT 

Related Content

With our extensive selection of products, you have the power to turn any ordinary space into something extraordinary.

Residential Roofing
Commercial Roofing
Siding
Building Insulation
Drywall
Cold Weather Installations: How CertainTeed® Makes Them Easier

When the mercury drops, construction doesn’t stop—but it sure gets trickier. Cold weather can turn routine installations into a real test of skill and patience. Materials stiffen, adhesives struggle, and moisture lurks as a silent enemy.

Roofer applying Landmark Pro Roofing Shingles
Residential Roofing
Commercial Roofing
Siding
Building Insulation
Drywall
Cold Weather Installations: How CertainTeed® Makes Them Easier
Roofer applying Landmark Pro Roofing Shingles
Residential Roofing
Sheathing
Building Insulation
Moisture Management & Water Resistance
Two men installing MemBrain Continuous Air Barrier.
Residential Roofing
Siding
Building Insulation
Drywall
Ceiling & Wall Systems
Mitigating Risk with Precision: How ONE PRECISION ASSEMBLIES™ Elevates Construction
Photo of panelized wall assemblies being craned onto job site.
Building Insulation
Inside the ONE PRECISION ASSEMBLIES™ (OPA™ ) Service Layer
Building a prefabricated wooden house - raising or hoisting house section with a help of a crane.
Building Insulation
Drywall
Ceiling & Wall Systems
A System That Minimizes Home Construction Risk
One precision assemblies pilot home in black, located in Mystic Connecticut

Make the Genius Choice. 

Help homes breathe easy with a vapor retarder that adapts to any environment. 

LET’S TALK MEMBRAIN