Superseal Duct Butter

Johns Manville – black aerosol foam that is easy to apply, and easy to clean. Designed for spot or edge repairs where extra fill or more adhesion are required, and to stay in compliance with building codes and engineering specifications.

Product Guides

Data Sheet
MSDS

Product Description

  • Characteristics
  • Tack Free Time – Approximately 2 hours
  • Shelf Life – 24 months.
  • Temperature Ratings
  • Application Temperature Range: 250°F (121°C).



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John J. Moroney & Co. supplies a growing number of energy efficient and greener building materials.