OSI® QB-300 Multi Purpose Construction Adhesive
OSI Products / OSI® QB-300 Multi Purpose Construction Adhesive
OSI® QB-300 Multi Purpose Construction Adhesive OSI® QB-300 Multi-Purpose Construction Adhesive is a premium quality, water proof adhesive. It is specially designed for the bonding and installation of all types of plastic foams and polystyrene including Styrofoam® brand plastic foam and Formula® Extruded Polystyrene Insulation. When used as directed QB-300 will not attack polystyrene and other plastic foams.
- High initial grab minimizes nailing requirements
- Waterproof and weatherproof - Can be used in interior or exterior applications
- Will bridge minor gaps when bonding irregular surfaces
- Does not cause staining, bleeding or blistering
- 28 fl oz (825ml) cartridge
- White
Mineral spirits or paint thinner
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Recommended for
OSI® QB-300 Multi Purpose Construction Adhesive is highly recommended for use with all types of vinyl covered gypsum board due to its excellent initial tack and rapid bond development. It provides excellent adhesion to a wide variety of building materials including wood, fiberboard, metals, masonry, brick, concrete, marble, cork, insulation hangers, polystyrene bath panels, fiberglass, FRP panels, glass, glazed surfaces and much more. This adhesive also exhibits good heat resistance and is recommended for use in Fire-Rated wall and partition designs.
Not Recommended for
- Bonding two non-porous surfaces
- Applications requiring temperature resistance greater than 180°F (82°C)



