I have this leftover from my garage package that was built that's just taking up space. I need to get rid of it. If you bought this at the store, it'd be worth $35 or so; take it off my hands for $20.
-6 tubes of MONO Dark Gray Acoustical Sealant, 300 mL each.
-1 tube of GH Black Jack Roof Cement, 300 mL.