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IVB Wall Barrier
IVB Roof Barrier
IVB Spec Data Sheet(.pdf)
MSDS(.pdf)
135 Understanding STC and NRC Ratings


- Specifications are described
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Description:
- The Insulated Vapor Barrier system is engineered for expansion joint and other openings requiring insulated environmental protection. IVB is available with thermal values of R19, R25 and R30. The IVB system is a formaldehyde-free insulation blanket protected by a polyethylene smart weather wrap comprised of high-strength cord grids that help prevent tearing and punctures. The TriBlok™ smart technology is available with either a Semi-Impermeable (SI) breathable or Non-Permeable (NP) retarder to help manage water vapor transmission.
Basic Use:
- IVB is designed to provide both thermal and vapor management within structural openings that measure 1-inch (25mm) or larger. The engineered physical properties impede thermal temperature change and water vapor transmission through wall and roof cavities. IVB provides protection in a wide variety of architectural applications – brick, block, concrete, window-walls, metal panels, composites, and the like.
Performance Features:
- Available thermal R-values of R-19, R-25 & R-30.
- Repels water while providing interior air, vapor, dust, and acoustical transfer control.
- Retards vapor transmission with a choice of TriBlok™ Semi-Impermeable or Non-Permeable Smart Weather Wrap.
- Class A Rating restricts flame spread and the passage of smoke.
- Accommodates ± 50% movement including lateral shear and vertical displacement.
- Factory end terminations and directional transitions are available.
- TriBlok™ Smart Weather Wrap is comprised of a high-density polyethylene center and coated on two sides with low density polyethylene.
- The weather wrap fully encapsulates and protects the fiberglass insulation.
- Fungi-resistant fiberglass insulation exceeds Greenguard Gold Emissions Standards.
Special Features:
- Integral male/female weathertight peel & stick seam strips for adjoining sections together.
- Suppresses and dampens sound transmission through structural openings by blocking and damping vibrations caused by sound energy.

- Green Gold Emission Compliance Certificate Number 55545-420