SunTouch UnderFloor Heating Mat 21.32 Sq Ft 16 Inch 120V Radiant Floor Heat

SunTouch UnderFloor Heating Mat 21.32 sq ft 16 Inch Wide 120V

Staple-Up Radiant Heating Mat for Underfloor Applications

The SunTouch UnderFloor heating mat delivers efficient radiant heat beneath existing floors without requiring removal. The 16-inch wide design provides excellent coverage, making it ideal for larger joist bays and faster installation.

Voltage: 120 Volt only

Coverage Area: 21.32 sq ft

Mat Size: 16 inch x 16 ft

Amperage Draw: 1.7 amps

Heating Output: 10 watts per sq ft (approx. 34 BTU/hr per sq ft)

System Overview:
This system uses a series resistance heating cable integrated into a foil radiator surface, ensuring even and consistent heat distribution across the floor above. Ideal for retrofit installations where preserving existing flooring is important.

Applications:

• Installed between floor joists under wood subfloors
• Compatible with hardwood, vinyl, laminate, carpet, and tile flooring
• Ideal for medium to large rooms or primary heating zones

Performance:

• Increases hard surface floor temperatures by up to 15°F
• Raises carpet temperatures by approximately 6 to 10°F
• Supports floor systems with a maximum insulation value of R-11

Key Features:

• 16-inch wide format for improved joist coverage
• Quick and easy staple-up installation
• Foil radiator design for even heat distribution
• Compatible with a wide range of floor coverings
• Multiple mats can be combined for larger heated areas
• Durable heating cable with Aramid reinforcement and ETFE insulation
• Oxygen-free copper heating elements for long-lasting performance
• Shielded and grounded system with 10 ft power lead for safety

Benefits:

• No need to remove existing flooring
• Energy-efficient radiant heating solution
• Quiet and maintenance-free operation
• Consistent and comfortable heat distribution
• Ideal for retrofit and remodeling projects

UnderFloor Installation Manual

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