OSI® SC175 Acoustical Sound Sealant – Latex-Based, Draft & Soundproofing Caulk
SKU: OSI-SC175-SLT-28OZ-WHT-1496542
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
| Product | OSI® SC175 Acoustical Sound Sealant |
| Size | 28 oz |
| Base | Water-Based Latex |
| Color | White |
| Certifications | GREENGUARD Gold, UL 1479, UL 2079, ASTM E84 |
| Application | Gypsum walls, metal studs, HVAC ducts, perimeter joints |
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.
Frequently Asked Questions
What is OSI® SC175 Acoustical Sound Sealant?
OSI® SC175 is a professional-grade, latex-based caulk designed to reduce sound transmission and air drafts in interior wall systems.
Where should I use SC175?
It’s ideal for sound-rated partitions, perimeter joints, and HVAC penetrations.
Is SC175 paintable and low odor?
Yes. Its flexible latex formula is paintable and formulated for low odor.
What standards does SC175 meet?
SC175 meets ASTM E84, UL 1479, and UL 2079 standards for fire and acoustic control, and is GREENGUARD Gold certified for low VOC emissions.
What sizes and colors are available?
It comes in a 28 oz cartridge and is white in color.
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