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photo of Green Glue Soundproofing Acoustical Caulk | 28 Oz Tube

Acoustical Caulk Sealant, 28 oz Tube

16 Reviews
$
Product Code: 19001

Green Glue 28 oz. Acoustical Caulk Sealant

Professional quality AcousticalCaulkSealant, also referred to as noiseproofing sealant, 28 oz tube, is designed to dampen sound between room surfaces. Seal cracks between walls, ceiling, and floors to minimize sound leaks. Acoustical Caulk is highly flexible with exceptional aging characteristics - will not dry out nor crack with age.

Acoustical Caulk Sealant can be easily applied using any standard, quart-sized caulking gun applicator. For maximum performance, apply a 1/4" bead of Acoustical Caulk Sealant along the edges and joints between floors and walls as well as between walls and ceiling. Once dry, Acoustical Caulk Sealant can be painted. Estimated yield, at a 1/4" bead, is 60 lineal feet (LFT).

Acoustical Caulk Sealant exceeds LEED green building requirements, is low V.O.C and nearly odorless. Cleans easily, while still wet, with soap and water.

  • Superior Elasticity: Remains permanently flexible to prevent cracking or shrinking as your structure naturally shifts over time.
  • High-Volume Yield: These large tubes provide extensive coverage, making them ideal for professional or large-scale DIY installations.
  • Safety First: Features a low VOC, non-flammable formula that cleans up easily with water before it fully cures.
When you invest in high-quality soundproofing products, even the smallest gap can compromise your results. This specialized acoustic caulking is engineered to stay pliable, ensuring an airtight seal around drywall perimeters, electrical boxes, and wall headers. Unlike standard hardware store caulk that hardens and fails, our sealant maintains its integrity to block airborne noise effectively. It is one of the most essential soundproofing materials offered by SoundAway for anyone serious about maintaining the STC for any soundproof wall or ceiling assembly. You can rely on the professional-grade durability of the Acoustical Caulk Sealant, 28 oz Tube to create the quiet, peaceful environment you deserve. Order today.
  • Simple Application: Use a standard quart-sized gun for a smooth, professional-looking bead every single time you apply it.
  • Aesthetic Versatility: Once cured, the sealant is fully paintable, allowing it to blend into your decor seamlessly and invisibly.
  • Multi-Purpose Use: Perfect for sealing joints in home theaters, recording studios, and multi-family residential units or office spaces.

Reviews

Average Customer Review:
( 16 )
Becky McDermott from Redlands, CA United States
October 6, 2026
ADU adjoining wall issue
We needed some help in the area of sound reduction in our home because we had a room that had a common wall that we could hear our renters and they of course could hear us, not good. We called Sound Away because the name described what we needed. when we called we talked with Alex, who was absolutely amazing, he was very knowledgeable and walked us patiently through the process. We drove 2 hours to go see him and make sure we got what we needed to complete our project. We installed everything as he explained and the results were amazing, what a deference, we no longer get to hear the renters plans for the day and that's a good thing, thank you sound away and especially Alex for everything.Harry and Becky
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Dan Gray(Aka-MudManDan) Above &Beyond Drywall from Vista, CA United States
September 10, 2026
Sandra and Jose’s Project
We used the Acoustical Caulk Sealant as part of a sound-reduction system on a partition wall separating Sandra and Jose’s living space from an ADU they rent out. It was useful for sealing gaps and penetrations where sound could otherwise travel through the wall assembly. Combined with the MLV and proper installation, the sound reduction was noticeable and the homeowners were very pleased with th
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Tom T from Vista, CA United States
November 19, 2025
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Simon Maierhofer from Fallbrook, CA United States
May 12, 2025
Great Service - Very Responsive - Knowledgeable
Alex and David were very helpful in designing a sound proofing strategy for our circumstances. Alex was always available for additional questions and very pleasant to work with. Their prices were very fair.
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Yvonne Gutierrez from Pasadena, CA United States
February 4, 2024
Not needed for my project-so not relevant
I bought it but i didnt need it for caulking any of my walls…
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