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.
Air & Moisture Barrier Categories
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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.
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.
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.
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. |