Acoustical Sealant Caulk

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FREE Standard Shipping

Free shipping is valid on any order shipped to a single address in the mainland USA. Standard shipping is covered. Overnight or 2-day delivery will cost extra.

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Acoustic Sealant Caulk


Product Information

  • Latex-based, permanently flexible acrylic polymer used to seal gaps and improve sound ratings
  • Improve STC ratings in wall constructions
  • Adheres to wood, metal, concrete, gypsum board, and most other building substrates
  • Environmentally safe formula packaged in post-consumer recycled material
  • Size: 28oz tube
  • Color: White
  • Weight/Gallon: 12.8 lbs
  • Application temperature range: 40°F to 100°F
  • Working time: 10-15 minutes
  • Shelf life: 2 years


Product Uses

  • Acoustical sealant is absolutely key for almost any architectural soundproofing project. Learn more about how to soundproof a room.
  • Around any penetrations or cutouts in gypsum board
  • Make walls soundproof and soundproof a ceiling by sealing around the perimeter (unsealed residential wall STC rating 30-32; sealed residential wall STC rating up to 38)
  • Around cutouts or gaps in acoustic underlayment laid under flooring
  • Repair cracks and seal gaps in rattling drywall and plaster
  • Anywhere you have a seam that needs to be sealed


Installation Instructions

  • Apply to dry, clean surfaces that are free of grease and oils
  • Cartridge applied with a caulk gun
  • Coverage depends on size of the bead. 1/8" bead (350 ft), 1/4" bead (88 ft), 3/8" bead (35 ft)
  • Clean with water while the caulk is wet. Scrape off dried caulk with a putty knife.
  • Do not apply outside if rain is expected within 12 hours. Not intended for underwater use.




Shipping Cost:
Calculated at Checkout
Project Category:
Room Soundproofing
Material Type:
Soundproof Wall/Ceiling
Material Type:
Soundproof Floor