OSI® SC175 Acoustical Sound Sealant – Latex-Based, Draft & Soundproofing Caulk

OSI® SC175 Acoustical Sound Sealant is a professional-grade, latex-based caulk designed for reducing sound transmission and air drafts in interior wall systems. Ideal for use in sound-rated partitions, perimeter joints, and HVAC penetrations, SC175 is trusted by contractors for its high-performance seal and easy application. It is paintable, low odor, and meets rigorous UL and ASTM standards for fire and acoustic control.

Key Features & Benefits

• Soundproofing Performance: Reduces sound transmission in STC-rated wall systems
• Draft Protection: Seals air leaks around windows, doors, and wall joints
• Flexible Latex Formula: Easy to apply, paintable, and low odor
• Compliance Tested: Meets ASTM E84, UL 1479, and UL 2079 standards
• GREENGUARD Certified: Safe for indoor environments with low VOC emissions

Product Specifications

Choose OSI® SC175 for your next sound-rated installation and ensure superior noise reduction and air sealing. Order today and get contractor-grade performance in every cartridge.