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HGSMD

Uncoupling Membrane

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

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!

Characteristics

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 installation — Without drying delay time
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.
  • Color: 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

Documents

HGSMD

Installation guide

Installation guide

Download

HGSMD

Specsheet

Specsheet

Download

Specifications

Code Description Width Length Surface area covered Price CAD
in ft ft2
HGSMDF Uncoupling membrane sheet 8.9 ft2 39 2.75 8.9 $33.00 CAD
HGSMD054 Uncoupling membrane roll 54 ft2 39 16.4 54 $220.00 CAD
HGSMD162 Uncoupling membrane roll 162 ft2 39 49.5 162 $565.00 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.