TECSOUND CLG 5900 Sealant: High-Performance Soundproofing and Acoustic Sealant for Interior Soundproofing

TECSOUND CLG 5900 Sealant is a single-component, solvent-free, acrylic sound deadening sealant designed to fill hidden gaps and joints in interior spaces. Its primary purpose is to precede the application of the acoustic compound TECSOUND CLG 3900, ensuring a complete, professional-grade soundproofing system.

This high-performance sealant can be applied along wall panel joints, such as plywood, OSB, and drywall, as well as around openings, electrical sockets, switches, and other interior penetrations. TECSOUND CLG 5900 releases little to no odor after curing, making it ideal for indoor environments.

Recommended Substrate

TECSOUND CLG 5900 is compatible with most standard wall and ceiling surfaces, including:

• Gypsum board

• OSB

• Plywood

Proper surface preparation is essential. Ensure all surfaces are clean, dry, and free of oil, grease, dirt, or debris before application to achieve optimal adhesion and acoustic performance.

Key Benefits

• Fills hidden gaps and joints to prevent sound leakage

• Low-odor, solvent-free formula safe for indoor use

• Flexible and durable to maintain acoustic performance

• Compatible with a wide range of interior surfaces

Applications

TECSOUND CLG 5900 Sealant is ideal for enhancing acoustic performance in:

• Residential spaces: bedrooms, home theaters, living rooms

• Commercial spaces: offices, boardrooms, and conference areas

• Studios: music, podcasting, and video production rooms

• Renovation and remodeling projects where sound control is needed

By sealing all gaps, joints, and penetrations, TECSOUND CLG 5900 enhances the overall effectiveness of your soundproofing system, creating quieter, more private, and more comfortable spaces.

Product Features

Cleaning, Storage, and Handling

Clean tools with soap and water immediately after use. Store TECSOUND CLG 5900 in its original container at temperatures above 0 °C (32 °F). Properly stored, it can last up to 18 months. Always follow instructions on the container label and consult the safety data sheet (SDS) for detailed handling guidance.

Why Choose TECSOUND CLG 5900?

TECSOUND CLG 5900 Sealant is an essential part of the TECSOUND Acoustic System, trusted by builders, designers, and acoustic professionals worldwide. By pairing it with TECSOUND CLG 3900 Compound, you achieve a complete, high-performance solution that controls sound without adding excessive weight or thickness to walls and ceilings.

At Hush City Soundproofing, we supply and install TECSOUND CLG 5900 as part of our complete soundproofing solutions. We help transform noisy, distracting environments into spaces of calm, focus, and comfort. Therefore, whether you are looking to keep sound in or block sound out, TECSOUND CLG 5900 is an excellent choice for long-term acoustic performance.

Ready to experience quieter, more comfortable spaces?
👉 Contact Hush City Soundproofing to request a quote or learn how TECSOUND CLG 5900 can enhance your next project.