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Stelpro > Heating cable systems > Heating floor systems > HGSMD

Uncoupling Membrane

Floor heating systems have well-known advantages, but the uncoupling membrane is game-changing

HGSMD

An uncoupling membrane has become a must-have to make heating cable installation easier. Its key purpose is to cut down on movement between the various materials used in a complete installation. The uncoupling membrane compensates for horizontal movements up to 1/8 in. which in turn protects tiles from cracking and delamination. Best of all, installing the heating cable is a snap!

Product images

  • Membrane de désolidarisation

Advantages

  • Easy heating cable installation
  • Protects tiles from cracking and delamination
  • More uniform transition With adjacent non-heated floor covering
  • Can replace the underlayment required for tiling
  • Subfloor vapour management
  • Uniform load distribution
  • Heating cable and tile installationWithout drying delay time

Ideal for

  • Basement
  • Bathroom
  • Bedroom
  • Corridor
  • Kitchen
  • Living room

MANUFACTURING

  • Entirely made of polypropylene
  • Rounded square studs for easy heating cable installation
  • 3 rounded square studs spacing of 3 ¾ in. for optimal heat distribution and coverage
  • Thermo welded woven back to increase the bond between the subfloor and membrane.
  • Colour: blue
  • Height of ¼ in. (5.5 mm)
  • Available in 53.8 ft² and 161 ft² rolls
  •  Available in 8.9 ft² sheets

COMPATIBLE FLOORINGS

  • Ceramic, porcelain, stone, vinyl, laminated engineered wood
  • Soft and wood floorings must be installed on a self-leveling underlayment layer of ½ in. on top of the studs.

INSTALLATION

  • Modified and non-modified mortars can be used as per mortar manufacturer recommendations
  • Installation over plywood, OSB, concrete, gypsum base and existing vinyl
  • Installation possible directly over the subfloor (limitations apply)
  • The membrane does not replace the need for movement joints
  • Heating cable and tile installation without drying delay time

    WARRANTY

    • Twenty-five years
    SpecsheetDownload the product specsheet containing product specs and other useful information
    Installation guideDownload the product installation guide

    Code Description Width Length Surface area covered Price CAD
    in ft ft2
    HGSMDF Uncoupling membrane sheet 8.9 ft2 39 2.75 8.9 $31.00 CAD
    HGSMD054 Uncoupling membrane roll 54 ft2 39 16.4 54 $211.00 CAD
    HGSMD162 Uncoupling membrane roll 162 ft2 39 49.5 162 $543.00 CAD

    Compatibility

    WOOD STRUCTURE REQUIREMENTS AND LIMITATIONS
    JOIST SPACING 2nd SHEET OF POLYWOOD/OSB NECESSARY? Minimum plywood/OSB subfloor thickness
    Ceramic / porcelain Natural Stone
    16 in No Yes* 5/8 in nominal
    19,2 in No Yes* 3/4 in nominal
    24 in Yes* Yes* 3/4 in nominal

    Minimum tile size 1 in. x 2 in.
    * Minimum thickness of underlayment: 3/8 in.

    UNCOUPLING MEMBRANE INSTALLATION
    SUBFLOOR TILE MORTAR* ANSI STANDARD
    Plywood Polymer modified mortar A118.11
    OSB Polymer modified mortar A118.11
    Concrete Polymer modified mortar A118.11
    Gypsum underlayment Unmodified mortar A118.1
    Existing vinyl Fast setting polymer modified mortar A118.4, A118.15

    * Validate the compatibility with the mortar manufacturer.
    For any other subfloor, contact customer service.

    TILE INSTALLATION OVER UNCOUPLING MEMBRANE
    CERAMIC, PORCELAIN, NATURAL STONE
    MORTAR TYPE* ANSI STANDARD
    Polymer modified mortar A118.11
    Unmodified mortar A118.1

    * Validate the compatibility with the mortar manufacturer.

    SCU
    Universal Heating Cable
    STCP
    Floor Heating Thermostat – Multiple Programming
    STCNP
    Floor Heating Thermostat – Single Programming

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