USG Sheetrock Acoustical Sealant 30250 29 Oz

The USG Sheetrock Acoustical Sealant 30250 is a professional-grade, water-based sealant designed for high-performance soundproofing and fire-rated applications. This highly elastic, easy-to-apply sealant creates a durable acoustical seal for gaps in partitions, ensuring test-verified STC/MTC ratings. Perfect for contractors, it adheres to vertical, horizontal, and overhead surfaces without sagging. With excellent flame-spread and smoke-developed ratings, it's ideal for fire-rated partitions (1–3 hours) and meets ASTM E90 standards for superior soundproofing. The low-temperature flexibility and low VOC formula make it a reliable choice for demanding environments.

Product Features:

• Water-based, highly elastic sealant for soundproofing and fire-rated applications.
• Maintains STC/MTC ratings when sealing gaps in partitions.
• Suitable for vertical, horizontal, and overhead applications without sagging.
• Approved for fire-rated partitions (1–3 hours) and smoke/sound assemblies.
• Tested to ASTM E90 at Riverbank Acoustical Laboratories for soundproofing integrity.
• Meets ASTM C834 specifications for latex sealants.
• Low VOC formula with -18°C (0°F) low-temperature flexibility.
• Surface Burning Characteristics: 0/0 flame-spread/smoke-developed (UL classified).

Applications:

• Administrative Offices
• Auditoriums and Gymnasiums
• Bars, Restaurants, and Dining Areas
• Cafeterias
• Classrooms
• Convention and Meeting Rooms
• Corridors and Hallways
• Department Stores and Boutiques
• Dormitories
• Executive Areas, Conference Areas, and Board Rooms
• Exterior Soffits and Indoor Parking Garages
• Galleries and Exhibit Spaces
• Garages
• Grocery Stores
• Guest Rooms and Suites
• Health and Fitness Centers
• Kitchens and Food Prep Areas
• Laboratories, Operating Rooms, and Imaging Rooms
• Lobbies and Reception Areas
• Locker Rooms, Shower Areas, and Pools
• Mall Interior Spaces
• Mechanical Rooms
• Media Centers, Music Rooms, and Libraries
• Multi-Family Residential and Condos
• Nurseries and Birthing Rooms
• Open Plan Offices
• Patient Rooms
• Restrooms, Utility Rooms, and Loading Docks
• Single-Family Residential
• Stairways and Elevator Shafts
• Theatres
• Traditional Offices
• Warehouses

View the USG Acoustical Sealant Submittal Sheet

View the USG Acoustical Sealant Installation Guide

View the USG Acoustical Safety Data Sheet

USG Sheetrock

03250