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OSI

OSI Sealants, Adhesives, Foams, & Tapes

OSI Sealants, Adhesives, Foams, & Tapes are used for sealing, bonding, insulating, and weatherproofing across residential and commercial construction applications. OSI manufactures construction sealants, adhesives, spray foams, and flashing tapes applied to a wide range of building materials. These products are commonly used during installation, repair, and maintenance to help manage air, moisture, and movement while supporting long-lasting bonds and seals. OSI solutions support interior and exterior building envelope performance across walls, windows, doors, roofs, and general construction assemblies.

OSI

OSI SC175 Draft & Acoustical Sound Sealant

Flexible Acoustical Sealant for Sound-Rated Wall Systems
Original price $0.00 - Original price $0.00
Original price $0.00
$10.29
$10.29 - $10.29
Current price $10.29
Out of Stock
OSI

OSI F38 Drywall and Panel Adhesive

Professional Latex Adhesive for Drywall and Panel Installation
Original price $0.00 - Original price $0.00
Original price $0.00
$7.57
$7.57 - $7.57
Current price $7.57
Only 2 Left
OSI

OSI QUAD Window, Door & Siding Sealant

All-Weather Exterior Sealant with ±25% Joint Movement
Original price $0.00 - Original price $0.00
Original price $0.00
$9.37
$9.37 - $9.37
Current price $9.37
Out of Stock
OSI

OSI QUAD Foam Window & Door Insulating Foam

Low-Expansion Polyurethane Foam for Window & Door Installation
Original price $0.00 - Original price $0.00
Original price $0.00
$16.21 - $20.36
$16.21 - $20.36
Current price $16.21
Out of Stock
OSI

OSI QUAD Butyl Flash Flexible Window & Door Flashing

Self-Adhering Butyl Flashing for Window & Door Openings
Original price $0.00 - Original price $0.00
Original price $0.00
$46.24 - $66.19
$46.24 - $66.19
Current price $46.24
Out of Stock
OSI

OSI HM270 Construction Silicone Sealant

Weatherproof RTV Silicone for Glazing and Non-Porous Materials
Original price $0.00 - Original price $0.00
Original price $0.00
$10.09
$10.09 - $10.09
Current price $10.09
In Stock
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OSI Sealants, Adhesives, Foams & Tapes for Construction

OSI provides construction sealants, adhesives, foams, and tapes for sealing, bonding, insulating, flashing, and weatherproofing in residential and commercial building applications. Available OSI products include joint sealants, construction adhesives, spray foams, flashing tapes, and specialty tapes for compatible windows, doors, wall assemblies, penetrations, joints, seams, and other building connections. Substrate compatibility, flexibility, interior or exterior suitability, and intended sealing or bonding function vary by product.

Types of OSI Construction Products

Sealants & Construction Adhesives

OSI sealants provide flexible sealing options for compatible joints, gaps, seams, and transitions where air or moisture intrusion must be managed. Construction adhesives provide bonding solutions for compatible wood, metal, masonry, concrete, and other building materials. Performance requirements vary according to the substrates and application.

Spray Foams

OSI spray foams provide options for filling and insulating compatible gaps, voids, and penetrations within building assemblies. Available formulations and suitable applications vary according to the location, opening, adjoining materials, and required sealing or insulating function.

Flashing & Specialty Tapes

Flashing and specialty tapes support compatible window, door, opening, and wall assemblies where air and moisture management are required. Tape selection should account for the substrate, surrounding building materials, and intended integration with the assembly.

Choosing OSI Construction Products

Choose OSI products according to whether the application requires sealing, bonding, insulating, or flashing, along with the substrates, interior or exterior exposure, anticipated joint movement, and building assembly. Verify product compatibility and application requirements before selection.

Frequently Asked Questions

What types of products does OSI manufacture?
OSI Sealants, Adhesives, Foams, & Tapes include construction sealants, bonding adhesives, spray foams, and flashing or specialty tapes used in building applications.
Are OSI products suitable for exterior use?
Many OSI Sealants, Adhesives, Foams, & Tapes are rated for exterior applications. Always verify product specifications for exposure and weather resistance.
Can OSI products be used for air sealing?
Yes. OSI Sealants, Adhesives, Foams, & Tapes are commonly used to help reduce air leakage around joints, penetrations, windows, and doors.
Do OSI products bond to multiple materials?
OSI Sealants, Adhesives, Foams, & Tapes are formulated to bond to many common construction substrates. Always check compatibility before use.