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Brushes & SealsDoorsCustomizable

Sponge Silicone Acoustic Seal

Sponge silicone acoustic perimeter seal for sound-rated door assemblies. Mounted in 6063-T5 aluminum retainer; sized for STC 40 through STC 55 system ratings per ASTM E90 / E413 / E1408.

Also known as

acoustic seal · STC seal · sound rated seal · silicone perimeter seal

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Key Features

  • STC 40-55 system rating support
  • Sponge silicone for compression durability
  • Compatible with sound-rated door + frame assemblies
  • Color-matched aluminum retainer finishes

Available Materials

Sponge siliconeAluminum 6063-T5

Specifications

STC RangeSTC 40 – 55 (system rating)
InsertSponge silicone
RetainerAluminum 6063-T5
StandardsASTM E90; ASTM E413; ASTM E1408