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Sheathing Joint Treatments

The StoGuard® System includes sheathing joint treatments optimized for a variety of conditions and trades. Proper protection of sheathing joints is critical for minimizing the risk of moisture intrusion and unwanted air movement.

Sto RapidGuard™
Sto Gold Fill®
StoGuard® Mesh
StoGuard® Fabric

Air & Moisture Barrier Categories

Fluid-applied Air & Moisture Barriers
Transition Membrane
Rough Opening Protection

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Sto RapidGuard™

Sto RapidGuard ™ is a single-component, multi-use air barrier and waterproof material used to seal rough openings, sheathing joints, seams, cracks, and transitions in above grade wall construction. Its fast-drying, flexible coverage makes it easy to provide high-quality air and moisture protection across multiple applications.

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PERMEABILITY: Vapor Permeable
SUBSTRATE TYPE: CMU, Concrete, Brick Masonry, Gypsum Sheathing, Wood, Galvanized metal and Cement based Sheathings.
TYPE OF APPLICATION: Apply with a caulking gun.

Sto Gold Fill®

Sto Gold Fill® is a ready-mixed, flexible, joint treatment and air barrier material for vertical above grade walls. It is applied to rough openings, corners, and sheathing joints in walls with StoGuard® Mesh.

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PERMEABILITY: Vapor Permeable
SUBSTRATE TYPE: Glass-Mat Gypsum Sheathing, Exterior Plywood, OSB.
TYPE OF APPLICATION: Trowel-applied / Spray-applied

StoGuard® Mesh

StoGuard® Mesh is a glass fiber self-adhesive mesh for use with Sto Gold Fill®. Available in 4.25- and 9.5-inch widths.

Learn More - 4.25``
Learn More - 9``
PERMEABILITY: N/A
SUBSTRATE TYPE: Glass-Mat Gypsum Sheathing, Exterior Plywood, OSB.
TYPE OF APPLICATION: 4.25” (108 mm) wide mesh at sheathing joints and 9” (241 mm) wide mesh at rough openings and inside and outside corners.

StoGuard® Fabric

StoGuard® Fabric is a non-woven cloth reinforcement. It is part of the StoGuard® assembly and is used with either Sto Gold Coat®, StoGuard® VaporSeal™ to treat sheathing joints, inside and outside corners and rough openings. Available in 4- and 6- inch widths.

Learn More - 4``
Learn More - 6``
Learn More - 9``
PERMEABILITY: N/A
SUBSTRATE TYPE: Suitable for application of Sto Gold Coat® or StoGuard® VaporSeal.
TYPE OF APPLICATION: 4” (101 mm) wide fabric at sheathing joints and 6” (152 mm) wide fabric at rough openings and inside and outside corners.
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