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12" Inch Joist Spacing

Designed to be installed between the joist bays under an existing floor, UnderFloor mats can be used to add heat to a floor that has already been installed. UnderFloor mats are manufactured for joists that are either 12” or 16” on center. They are very DIY friendly. Simply staple the mats up into the joist bay and add insulation under them. These mats are available in both 120v (the most commonly used voltage) and 240v (used for very large areas).

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5 Item(s)

  1. SunTouch UnderFloor 12" x 5.5' long 120V 0.4A

    SunTouch UnderFloor 12" x 5.5' long 120V 0.4A

    Our Price
    Our Price: $90.00
    SunTouch UnderFloor 1200512U2ST is a safe and efficient radiant electric floor heating system retrofitting an existing cold floor with heat without disturbing the existing floor covering. Learn More
  2. SunTouch UnderFloor 12" x 8' long 120V 0.6A

    SunTouch UnderFloor 12" x 8' long 120V 0.6A

    Our Price
    Our Price: $121.00
    SunTouch UnderFloor 1200812U2ST is a safe and efficient radiant electric floor heating system retrofitting an existing cold floor with heat without disturbing the existing floor covering. Learn More
  3. SunTouch UnderFloor 12" x 10.5' long 120V 0.9A

    SunTouch UnderFloor 12" x 10.5' long 120V 0.9A

    Our Price
    Our Price: $149.00
    SunTouch UnderFloor 1201012U2ST is a safe and efficient radiant electric floor heating system retrofitting an existing cold floor with heat without disturbing the existing floor covering. Learn More
  4. SunTouch UnderFloor 12" x 13' long 120V 1.1A

    SunTouch UnderFloor 12" x 13' long 120V 1.1A

    Our Price
    Our Price: $188.00
    SunTouch UnderFloor 1201312U2ST is a safe and efficient radiant electric floor heating system retrofitting an existing cold floor with heat without disturbing the existing floor covering. Learn More
  5. SunTouch UnderFloor 12" x 16' long 120V 1.3A

    SunTouch UnderFloor 12" x 16' long 120V 1.3A

    Our Price
    Our Price: $227.00
    SunTouch UnderFloor 1201612U2ST is a safe and efficient radiant electric floor heating system retrofitting an existing cold floor with heat without disturbing the existing floor covering. Learn More

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5 Item(s)