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Auralex Stopgap Acoustical Sealant

Auralex Stopgap Acoustical Sealant

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Availability: Usually Ships in 1 to 2 Business Days
Product Code : STOPGAP


STOPGAP, StopGap Acoustical Sealant - 1 tube (seals approx. 89 lin. ft.), AURALEX

Auralex StopGap Acoustical Sealant

Auralex StopGap Acoustical Sealant is a highly elastic, water-based sealant used for reducing sound transmission at the perimeter of wall systems or around electrical box cutouts to achieve specified STC/MTC values. The surface dries to a tough film but the sealant remains flexible and stays pliable for up to 5 times longer than alternative brands. And unlike other products, Stop-Gap has no residual run-off. StopGap is paintable and nonstaining, and meets ASTM C-834 standards for flame retardancy (flame spread=0; smoke developed=0).

Suggested applications:

  • Apply in a 1/4" (6mm) bead around perimeter of sound related partition
  • Apply to depth as required for voids and larger openings
  • Seal sound-rated partitions on both sides where facings abut dissimilar materials
  • Apply to all openings formed for outlets and lights and completely cover the outside of electrical boxes

Auralex StopGap comes in a large, 29 oz. caulking tube and therefore requires a larger than normal-sized caulking gun, which can be purchased at any local hardware store.

Coverage per 29 oz. cartridge is approximately:

  • 1/4 inch bead: 89 linear feet (27m);
  • 3/8 inch bead: 40 linear feet (12m); or
  • 1/2 inch bead: 22 linear feet (6m).

Please Note: Auralex StopGap Acoustical Sealant is considered Consumer Commodity ORM-D and is not air shippable.

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