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Three installation systems
The TRUE COMFORT cable can be installed three ways:
1. In an uncoupling membrane designed specifically for a heating cable and installed according to the
membrane manufacturer; the membrane is compatible only for installation with mortar.
2. On traditional surfaces such as plywood and concrete using True Comfort gauges (either included in the
True Comfort promo kit or sold separately); gauges are compatible for installation with either mortar or a
self-leveler.
3. With FLEXTHERM's FLEXSnap + installation system ; FLEXSnap + is compatible for installation with either mortar
or a self-leveler (see the FLEXSnap + guide for installation details)
IMPORTANT: This product was designed to be installed in an uncoupling membrane with a minimum regular spacing
of 7.6 cm (3 in) and a maximum regular spacing of 10.1 cm (4 in) or usually at every three (3) studs on a membrane.
Spacing can never be modified throughout the installation.
On an uncoupling membrane
Follow the membrane manufacturer's installation
instructions and recommendations.
Cable installation
To insert the cable between the membrane's studs,
apply a light pressure using a non-cutting tool such
as a wooden trowel. When changing directions and
contouring studs, always make sure the cable respects
a minimum bending radius of 13 m (1/2 in).
Install the cable in the membrane at a regular spacing
at every three (3) studs. Be careful not to damage the
cable when inserting it into the membrane.
Refer to the "Floor probe installation" section for
information on installing a probe in an uncoupling
membrane.
On other types of surfaces with gauges
IMPORTANT : The subfloor must meet construction
standards and be strong enough to support ceramic
tile, natural stone or a self-leveling underlayment.
Refer to Tile Council of North America publications
(www.tileusa.com) for installation standards..
Whatever the selected support, the floor surface must
be clean, flat, smooth and free of protruding nail or
screw heads or other materials that may damage the
cables. Always ensure that the selected sub-floor is
compatible with mortars or self-leveling underlayment.
Compatible sub-floors
Plywood and cement board
The True Comfort cable is are installed directly on a
plywood surface or cement board without any specific
floor preparation, other than the general instructions
mentioned previously.
Structural concrete slab (condo tower) or slab on an
existing floor (basement, single family home)
True Comfort strongly recommends insulating the
concrete slab on the surface, between the slab and the
heating cable, in order to limit heat loss in the concrete
slab and around the perimeter of the room where the
cable is installed.
For insulated slabs, in cases where only parts of the slab
will be heated, it is recommended to insulate the slab
on the surface in those areas. It is important to always
refer to the building code relating to a slab's insulation
Ceramic
Refer to the mortar or self-leveling underlayment
manufacturer to adequately prepare the sub-floor to
ensure proper adhesion.
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