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To select the proper size heating mat(s) for your application, measure the area to be heated and determine the heating
mat widths and lengths to fit the clear inside dimensions (wall to wall, etc). It is important to allow up to 5” of clearance
around the perimeter of the room and from any baseboard heating or permanent fixtures to allow the mats to fit without
touching adjacent vertical surfaces or overlapping. Accurate dimensions are required for the proper size selection.
For installations over wooden sub-floors, be certain the sub-floor is free from any defects, excess wear, warping,
cracks, or damage of any kind; and it complies with the required building code specifications. After confirming
the sub-floor is satisfactory, clean it thoroughly so it is free from any debris and is smooth for the anti-fracture
membrane to completely adhere. There should not be any air bubbles or creases in the mat prior to completing
the tile insulation caused by an unclean or uneven sub-floor surface.
If the sub-floor is not useable to attain a proper installation a backer board
should be placed on top and the material installed on a clean backer board.
Sketch the System Layout
A sketch of the area to be warmed, including the mat locations and associated
wiring, is recommended to make installation and ordering as smooth as possible. See the example sketch below.
Multiple Unit Installations
Installations with multiple heating mats will require a junction box to gang the connections together. If a junction
box is required, it should be located directly beneath the thermostat, 12” to 18” above the floor. The total number
of mats used in a single circuit is limited to 15 amps
When specifying multiple
width heating mats for
the same area, make
sure that the total power
required does not exceed
the total power of a
single circuit. Add ad-
ditional 20 amp circuits
as required for proper
electrical supply to the
installation.
SECTION 2. Designing the Installation
NOTE:
The heating mats can only be cut
to fit length. Do not cut or notch
to fit around any obstructions
or penetrations such as door
openings or floor registers.
Installation & Owner’s Guide 3
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