Return Air Panning

Return Air Panning

Installation Instructions

  • Staple double bubble white insulation between the floor joist, or to the side of the floor joist. Open web trusses are acceptable.

  • Start at the end of the house and staple to the sub-floor just behind the return air grate.

  • Staple to the bottom of the floor joist every 2" to 3". Additional approved attachment methods include: steel staples, sheet metal screws, and roofing nails.

  • Seal the seams with InfraStopĀ® Foil Tape

Important Information

  • Sheet Metal has traditionally been used for both stud cavity and joist space plenums. However, code does not specify types of materials allowed for panning.

  • Check your local codes before installation for compliance in your area.

Thermal Insulation

Provides Return Air Panning

Product Information

InfraStop® Insulation products are a group of technologically advanced materials. They are ideal for new construction or retrofit applications in commercial, industrial, metal and post/frame buildings, along with many other DIY applications. When you think of insulation, you should think of InfraStop®. Our products are recognized for their thermal performance, easy installation, versatility, price and environmental friendliness.


  • Easy to handle and install
  • Convenient roll sizes
  • Class A / Class 1 Fire Rating
  • Inhibits dew point condensation
  • Vapor retarder (0.02 perms)
  • Does not compress, collapse or disintegrate
  • Non-toxic / non-carcinogenic

Testing and Certification

InfraStopĀ® products are thoroughly tested at either nationally approved independent laboratories or leading universities. Tests are performed to current American Society of Testing and Materials (ASTM) standards when a standard exists. For a copy of an actual test report, please e-mail us at

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