OSI Sealants, Adhesives, Foams & Tapes for Construction
OSI manufactures construction sealants, adhesives, foams, and tapes used for sealing, bonding, insulating, and weatherproofing in residential and commercial building applications. OSI products are designed to help manage air and moisture movement, create durable bonds, and support overall building envelope performance across a wide range of assemblies.
This collection includes OSI sealant, adhesive, spray foam, and tape products commonly used during new construction, remodeling, and repair work. These solutions are applied to wood, metal, masonry, concrete, and other common building materials to help create reliable seals and long-lasting connections in both interior and exterior environments.
OSI products are frequently selected where dependable performance is required around windows, doors, wall assemblies, roof penetrations, and general construction joints and seams.
OSI Product Categories
- Sealants: Used to fill joints, gaps, and seams to help prevent air and moisture intrusion
- Construction Adhesives: Designed for bonding common building materials
- Spray Foams: Used for insulating, sealing penetrations, and filling voids
- Flashing Tapes: Used for window, door, and opening protection
- Specialty Tapes: Designed for air sealing and weather-resistive barrier integration
How to choose an OSI Product
- Application Type: Sealing, bonding, insulating, or flashing
- Interior or Exterior Use: Confirm the product is rated for the environment
- Substrate Compatibility: Wood, metal, masonry, concrete, and similar materials
- Movement Requirements: Select flexible sealants where joint movement is expected
Where OSI Products are used
OSI products are used around windows and doors, wall assemblies, roof penetrations, joints, seams, and general construction connections. They support air sealing, moisture management, insulation, and structural bonding.
Performance, Durability & Weather Protection
OSI products are engineered to provide reliable performance in demanding construction environments. Proper product selection and correct installation help improve building durability, reduce air leakage, and limit moisture infiltration over time.