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Sauna Foil Vapor Barrier / Fits 4x5x7 / 132 Sq. Ft.
Sauna foil exposed with speaker Sauna foil roll 1x2 Furring strips option

Sauna Foil Vapor Barrier / Fits 4x5x7 / 132 Sq. Ft.

Sauna foil vapor barrier reflects the radiant heat back into the room

Staple the sauna foil vapor barrier to the studs over the wall insulation (aluminium side showing) — adds 1R insulation factor by reflecting radiant heat into the sauna

IMPORTANT / PLEASE READ : This sauna foil package has everything required for the size shown above. We have measured for 4 walls, the ceiling, the door plus the overlap for a 7' sauna height. Simply measure your width and length, then choose the appropriate size from our list of sauna foil sizes!

Comes in a 54" wide roll. However our sq ft figures below are based on a 48" roll, so your overlap is taken care of! Aluminum foil sauna vapor barrier is one of the necessary components for traditional sauna room construction. We use foil in all the saunas we manufacture. Do NOT use other vapor barrier materials, such as plastic, Visqueen or Tivek. They melt and/or release an unpleasant odor. 

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Price: $60.00

RRP: $63.00   Save 5%
Built by:
Cedarbrook Sauna + Steam

Retain More Heat Using an Aluminium Sauna Foil Vapor Barrier

Much better than Visqueen/Plastic sheeting which will deteriorate in the heat and exude a plastic smell.

  • Waterproof Aluminum Vapor Foil
  • Non-permeable
  • Reflects Radiant Heat
  • Flame Resistant
  • Strong Tri-Directional Tear Resistance
  • UL Listed (R3035)
  • Energy Efficient
  • Mold resistant and non-corrosive
  • Click here to read complete data sheet

How Do We Measure the Sauna Foil to Match the Square Footage for this Sauna Size?

  1. We measure the square footage of the walls and ceiling of your sauna, NOT including the door.
  2. So e.g., a 4x5x7 sauna measures like so:
    • 2 walls at 4x7 and
    • 2 walls at 5x7
    • Plus the ceiling at 4x5 = 146 sq. ft.
    • Less the 2x7 door = 132 sq. ft.
  3. Note, Sauna foil comes in a 54" wide roll. However we base all sq ft figures on a 48" roll, so a free 6" overlap is provided.
  4. Recommended overlap for all seams is a minimum 3", but more is OK.
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Cedarbrook Sauna + Steam

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