OSI SC175 White Draft and Acoustical Sound Sealant is a great product for sealing gaps and reducing sound transmission in walls and partition systems. It is easy to use and clean, and provides a strong, flexible bond that is effective in all types of wall systems. It is also versatile and can be used to seal exposed and unexposed perimeter joints, floor and ceiling runners, veneer plaster or other areas where sound rating is required. Highly recommended for anyone looking for a soundproof solution!