Use and Care Manual

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INNOVATIVE SOLUTIONS FOR CERAMIC AND STONE TILE

ELECTRIC FLOOR WARMING SYSTEM WITH INTEGRATED UNCOUPLING TECHNOLOGY

Application and Function

6.4 Schluter

-DITRA-HEAT and DITRA-

HEAT-DUO integrate customizable, comfortable

electric floor warming with the functions of DITRA:

uncoupling, waterproofing, vapor management

and support to ensure a long lasting installation.

DITRA-HEAT-DUO features an integrated thermal

break to reduce impact sound transmission

through floor-ceiling assemblies, reduce heat

loss to the substrate, and improve floor warming

response time.

DITRA-HEAT-PS and DITRA-HEAT-DUO-PS

are peel and stick membranes that feature a

pressure-sensitive adhesive (PSA) to bond the

membrane to the substrate, replacing the need

for thin-set mortar. The -PS versions offer the

same core functions of DITRA-HEAT and DITRA-

HEAT-DUO.

Floor Warming

DITRA-HEAT and DITRA-HEAT-DUO combine the

flexibility of loose heating cables with the ease of

installation of mat systems. Cables can be placed

wherever heat is desired, without creating height

differences in the floor. Self-leveling compounds

are not required to encapsulate the cables,

significantly reducing installation time and effort.

Sound Control

Controlling impact sound transmission through

floor-ceiling assemblies in multi-story construction

can present challenges, particularly when ceramic

and stone tiles are used. Sound control materials

tend to be compressible and not all provide

adequate support for tile covering in thin-set

applications. DITRA-HEAT-DUO reduces sound

transmission, while supporting the covering to

ensure a lasting installation.

Uncoupling

Tile has been successfully installed for thousands

of years by incorporating an uncoupling layer, or

forgiving shear interface, within the tile assembly.

DITRA-HEAT and DITRA-HEAT-DUO provide

uncoupling through their geometric configuration,

which allows for in-plane movement that

effectively neutralizes the differential movement

stresses between the substrate and the tile,

thus eliminating the major cause of cracking and

delaminating of the tiled surface.

Schluter

-DITRA-HEAT

Waterproofing

DITRA-HEAT and DITRA-HEAT-DUO provide

reliable waterproofing. Their polypropylene

composition protects the substrate from moisture

penetration, which is particularly important in

today’s building environment where most

substrates are moisture-sensitive.

For applications requiring compliance with or

certification to the ANSI A118.10 American

National Standard Specifications for Load

Bearing, Bonded, Waterproof Membranes for

Thin-Set Ceramic Tile and Dimension Stone

Installation, select the DITRA-HEAT or DITRA-

HEAT-DUO membranes that are installed with

thin-set mortar. Alternatively, the DITRA-HEAT-

PS or DITRA-HEAT-DUO-PS membranes may

be covered with the Schluter

-KERDI membrane,

which is certified to meet ANSI A118.10.

Vapor Management

The free space on the underside of

DITRA-HEAT and DITRA-HEAT-DUO provide a

route for excess moisture and vapor to escape

from the substrate that could otherwise cause

damage to the tile covering above. Thus, DITRA-

HEAT and DITRA-HEAT-DUO effectively manage

moisture beneath the tile covering, which is

certified to meet ANSI A118.10.

Support/load distribution

When placed on a solid foundation, columns

or pillars can support tremendous loads. The

same physical principle applies to DITRA-

6.4 Schluter

-DITRA-HEAT-DUO/-PS

6.4 Schluter

-DITRA-HEAT/-PS

1/4"

(5.5 mm)

5/16"

(8 mm)

Summary of content (16 pages)

PAGE 1
Schluter®-DITRA-HEAT INNOVATIVE SOLUTIONS FOR CERAMIC AND STONE TILE ELECTRIC FLOOR WARMING SYSTEM WITH INTEGRATED UNCOUPLING TECHNOLOGY Application and Function 6.4 Schluter®-DITRA-HEAT and DITRAHEAT-DUO integrate customizable, comfortable electric floor warming with the functions of DITRA: uncoupling, waterproofing, vapor management and support to ensure a long lasting installation.
PAGE 2
S c h l u t e r ®- D I T R A - H E A T HEAT and DITRA-HEAT-DUO installations. Column-like mortar structures are formed in and between the studs on the surface of the matting. Loads are transferred from the tile covering through these column-like mortar structures to the substrate. Since DITRA-HEAT and DITRA-HEAT-DUO are virtually incompressible within the tile assembly, the advantages of uncoupling are achieved without sacrificing point load distribution capabilities.
PAGE 3
S c h l u t e r ®- D I T R A - H E A T underlayments include the requirement of an extended drying period before installing tile and continued sensitivity to the reintroduction of moisture throughout the life of the installation. In addition, since the coefficient of thermal expansion of gypsum concrete is substantially greater than that of ceramic tile, shear stresses caused by temperature fluctuations can result in delamination or cracking of the tile covering.
PAGE 4
S c h l u t e r ®- D I T R A - H E A T Testing and Certifications Uncoupling Membrane The method used to establish the overall performance of a tile assembly under loading is the ASTM C627 “Standard Test Method for Evaluating Ceramic Floor Tile Installation Systems Using the Robinson Type Floor Tester.” The assembly is tested in cycles using a loaded, revolving carriage. Load, wheel hardness, and number of revolutions vary with each cycle. Once a specified level of damage is exceeded, the test is stopped.
PAGE 5
S c h l u t e r ®- D I T R A - H E A T Sound control DITRA-HEAT-DUO reduces impact sound transmission through floor-ceiling assemblies and supports the covering to ensure a lasting installation.
PAGE 6
S c h l u t e r ®- D I T R A - H E A T Product Item Numbers 6.4 Schluter®-DITRA-HEAT Item No. DH5 12M DH5 MA Uncoupling and waterproofing membrane Item Dimensions Roll Sheet 3' 2-5/8" x 41' 10-3/4" = 134.5 ft2 (0.98 m x 12.76 m = 12.5 m2) 3' 2-5/8" x 2' 7-3/8" = 8.4 ft2 (0.98 m x 0.80 m = 0.78 m2) U.S. Pat. No. 8,950,141, and U.S. DES. PAT. No. D706459 Canada D Schluter Systems L.P. and other patents pending. 6.4 Schluter®-DITRA-HEAT-DUO Item No.
PAGE 7
S c h l u t e r ®- D I T R A - H E A T 6.4 Schluter®-DITRA-HEAT-E-HK Item No.
PAGE 8
S c h l u t e r ®- D I T R A - H E A T 6.4 Schluter®-DITRA-HEAT-E-RS1/WiFi/-RT/-R Item No. Digital thermostats with remote floor temperature sensors Description DHE RT 104/BW SMART WiFi app-based programmable thermostat in white, compatible with major voice controlled automation software WiFi and touchscreen programmable thermostat in white DHE RT 102/BW DHE RT 103/BW Touchscreen programmable thermostat in white Non-programmable thermostat in white DHE RT 105/BW 6.
PAGE 9
S c h l u t e r ®- D I T R A - H E A T 8.3 Schluter®-KERDI-FIX Item No. KERDIFIX / color* KERDIFIX 100 G Adhesive/sealant *Color Codes Description Cartridge - 9.81 fl oz (290 ml) Tube - 3.38 fl oz (100 ml) BW G Bright white Grey To complete the item number, add the color code (e.g., KERDIFIX / BW). Schluter®-DITRA-ROLLER Used to embed uncoupling membranes in the bond coat Item No. Width DIRO 14-1/2" (37 cm) Schluter ®-DITRA-HEAT/-DITRA-XL-TROWEL Item No.
PAGE 10
S c h l u t e r ®- D I T R A - H E A T Schluter®-DITRA-HEAT System 15-Year Limited Warranty LIMITED WARRANTY COVERAGE: Subject to the conditions and limitations as stated in this Schluter®-DITRA-HEAT System 15-Year Limited Warranty (the “Limited Warranty”), Schluter Systems warrants that its Schluter®-DITRA-HEAT System (defined hereafter) will be free from manufacturing defects and will perform as described in the Schluter®-DITRA-HEAT Installation Handbook and Schluter®-DITRA-HEAT Technical Data Sheet (col
PAGE 11
S c h l u t e r ®- D I T R A - H E A T This Limited Warranty is conditioned and will be considered null and void and Schluter Systems will have the right to refuse any claims if: (a) a DITRAHEAT System has been improperly stored or installed, (b) any component comprising a DITRA-HEAT System has been altered or otherwise modified in any way, (c) a DITRA-HEAT System is subject to abusive or abnormal use, lack of maintenance, or used in a manner other than that for which the DITRA-HEAT System was designed or
PAGE 12
S c h l u t e r ®- D I T R A - H E A T Schluter®-DITRA-HEAT and Schluter®-DITRA-HEAT-DUO Uncoupling Membrane 10-Year Limited Warranty LIMITED WARRANTY COVERAGE: Subject to the conditions and limitations as stated in this Schluter®-DITRA-HEAT and Schluter-DITRAHEAT-DUO Uncoupling Membrane 10-Year Limited Warranty (the “Limited Warranty”), Schluter Systems warrants that its Schluter®-DITRAHEAT, Schluter®-DITRA-HEAT-DUO, Schluter®-DITRA-HEAT-PS, or Schluter®-DITRA-HEAT-DUO-PS uncoupling membranes (the “Produc
PAGE 13
S c h l u t e r ®- D I T R A - H E A T agreements, or other representations made by or on behalf of Schluter Systems relative to the Products or the application of the Products and shall apply to any installation occurring on or after August 1, 2022. If the Schluter®-DITRA-HEAT or Schluter®-DITRA-HEAT-DUO uncoupling membrane are used in conjunction with other Schluter products, a different Schluter warranty may apply.
PAGE 14
S c h l u t e r ®- D I T R A - H E A T Schluter®-DITRA-HEAT Thermostat 3-Year Limited Warranty LIMITED WARRANTY COVERAGE: Subject to the conditions and limitations as stated in this Schluter®-DITRA-HEAT Thermostat 3-Year Limited Warranty (the “Limited Warranty”), Schluter Systems warrants that its SMART WiFi app-based programmable thermostat (DHE RT 105/ BW), Programmable WiFi Thermostat (DHE RT 104/BW), Touchscreen Programmable Thermostat (DH E RT 102/BW), Programmable Thermostat (DH E RS D/BW), Non-Progr
PAGE 15
S c h l u t e r ®- D I T R A - H E A T MAKING A CLAIM: To make a claim under this Limited Warranty, the Owner must provide Schluter Systems2 with written notice within thirty (30) days of any alleged defect in the Products covered by this Limited Warranty, together with date and proof of purchase of such Products and/or all of its components and name and address of all installers and all invoices related to the original installation, failing which this Limited Warranty shall have no legal effect.
PAGE 16
DITRA and HEAT E are registered trademarks of Schluter Systems © 2022 Schluter Systems L.P. and affiliates. All Rights Reserved. 09/2022 553713 Schluter Systems L.P. • 194 Pleasant Ridge Road, Plattsburgh, NY 12901-5841 • Tel.: 800-472-4588 • Fax: 800-477-9783 Schluter Systems (Canada) Inc. • 21100 chemin Ste-Marie, Ste-Anne-de-Bellevue, QC H9X 3Y8 • Tel.: 800-667-8746 • Fax: 877-667-2410 www.schluter.com 16 This technical data sheet is subject to change without notice. Please visit www.schluter.