Depending on whether you need or craft supplies , "Green Glue" can be purchased from various specialized retailers and major home improvement stores. Green Glue Noiseproofing Compound Go to product viewer dialog for this item.
For construction and soundproofing projects, this viscoelastic damping compound is available through specialized acoustic distributors and some large hardware chains. Case of Green Glue Noiseproofing Compound - 12 Tubes where can i buy green glue