With over 75% of the downward heat loss radiant in nature, 96% reflective TVM bubble foil is ideal for this application.

Method 1 Radiant under floor insulation Method 2 Radiant between joists insulation

PRODUCT SOLUTION: TVM Bubble Barrier Foil

• Method 1 - Use Bubble Barrier rFoil (1220-48-125) 48" Width
• Method 2 - Use Bubble Barrier rFoil (1220-16-125) 16" Width w/tabs (24" available).

PRODUCT DESCRIPTION:

• Bubble Barrier rFoil is 96% reflective, very puncture resistant and easy to apply.

PRODUCT EFFECTIVENESS:

• Due to high temperature differentials in radiant applications for optimal performance, it is recommended to use two layers of TVM, combining methods 1 and 2, or install fiberglass insulation below the TVM insulation.

WOOD JOINT INSTALLATION: Bubble Barrier rFoil

• Method 1:
  
  • 1) Unroll & staple 48" wide Bubble Barrier rFoil under the floor joints.
    
  • 2) Seal the joints and perimeter using rFoil regular foil tape 3" Wide (04603).

• Method 2:
  
  • 1) Using 16" wide Bubble Barrier rFoil with staple tabs. Insert the material between the joints 2" - 4" below heating coils, or as recommended by manufacturer instructions.
  • Staple to joints.
  • Seal ends using rFoil regular foil tape 3" Wide (04603).

BUILDER'S NOTE:

• Sealing rim joists with rFoil will improve efficiency. Also, all tape should be applied using a flat-edge taping tool to ensure good adhesion.

Under Floor Information and Documentation

Note: Some of the links below are to '.pdf' files. This is a file format created by Adobe for presenting graphic and design intensive documents across the Internet. These files can be very large, and slow to download if you do not have a fast Internet connection. If you have a slow connection, and would like to receive a copy of our print or CD catalog, please call us at 1 800-786-6847. If you would like to get the Acrobat Reader application or plug-in (which will allow you to view .pdf files using your browser), click here.

• TVM Under Floor
  • Specifications
  • Material Safety Data Sheet
  • Download ENTIRE Under Floor Section (.pdf, 202kb)
  
  
• JTG/Muir Catalog Pages
  • Product Listing (.pdf, 298 kb)
  
  
• TVM - Home Page

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