Schluter DHERS/BW Installation Guide Page 1

Schluter®-DITRA-HEAT Installation Handbook 20155,5 mmElectric Floor Warming System with Integrated Uncoupling Technology

10 WATERPROOFING — Floors, Interior Every substrate presents unique challengesWATERPROOFINGFloors, Interior - Ceramic or Stone TileDH-WP-15Areas of

MOVEMENT JOINTS 11Every substrate presents unique challengesMOVEMENT JOINTSDISCUSSIONMovement joints are an integral part of any tile assembly. The

12 MOVEMENT JOINTS 1 Schluter®-DILEX-EKE 3 PERIMETER JOINT Cold (construction) joints occur where two successive placements of concrete meet.

MOVEMENT JOINTS 13Schluter®-Systems understands that the tile setter must take into account the needs of his or her client in determining the place

14 WOOD UNDERLAYMENT Plywood/OSB underlayment installation guidelinesWOOD UNDERLAYMENTFigure 1Figures 1 & 2 – Typical Subfloor/Underlayment Deta

INSTALLATION 15Schluter®-DITRA-HEAT membrane and heating cablesINSTALLATIONPreparation• The substrate must be clean, even, and load bearing. Any

16 INSTALLATION Heating CablesWarning• Before installing and operating this product, the user and/or installer must read, understand and follow

Heating Cable TestsTest 1: Conductor resistance testIn order to perform the resistance test, you must set your multimeter for resistance measurement

18 INSTALLATION InstallationIt is recommended that the installation of the DITRA-HEAT system is photographed (e.g., heating cable layout, floor temp

INSTALLATION 19WaterproofingAt the joints, fill the matting with unmodified thin-set mortar, approximately 8" (203 mm) wide, centered over the j

Ceramic and stone tiles are the ideal surface coverings because they are durable, easy to maintain, and hygienic. However two common barriers to the s

20 INSTALLATION TilesOnce the tile installation is complete, retest the heating cable and record values in the heating cable tests log (page 26).Al

QUESTION: Can ceramic tile, including porcelain tile, be set on DITRA-HEAT with unmodified thin-set mortar?ANSWER: YES. In fact, we recommend it. Here’

22 TESTING & CERTIFICATIONS Product EvaluationTESTING & CERTIFICATIONSSchluter®-Systems is committed to providing reliable installation sys

Discussion of natural stone and single-layer wood subfloorsNATURAL STONENATURAL STONE 23Natural stone is a product of nature with a wide variety of c

24 PRODUCT & ORDERING INFO PRODUCT & ORDERING INFOThe ordering information for the Schluter®-DITRA-HEAT and KERDI components outlined in th

PRODUCT & ORDERING INFO 25Schluter®-KERDI-KERECK-FSchluter®-KERDI-FLEXKERDI-FLEX is a flexible polyethylene waterproofing strip used to seal move

26 HEATING CABLE TESTS LOG Each heating cable is subject to factory quality control. However, damage to the cables may happen after the product le

WARRANTY 27Schluter®-DITRA-HEAT 10-Year Limited WarrantyWARRANTYCOVERAGE AND CONDITIONS: Subject to the conditions and limitations as stated herein

554508 04/2015 © 2015 Schluter Systems L.P. Schluter Systems L.P. • 194 Pleasant Ridge Road, Plattsburgh, NY 12901-5841 • T

CONTENTS 4 Floors, Interior – 16, 19.2, & 24-inch o.c. joist spacing 6 Floors, Interior – Natural Stone Tile 7 Floors, Interior – Existing Vin

4 WOOD — Floors, Interior - Ceramic or Porcelain Tile Every substrate presents unique challengesWOODFloors, Interior - Ceramic or Porcelain TileDH-

WOOD — Floors, Interior - Ceramic or Porcelain Tile 519.2" (488 mm) o.c. joist spacing, single layer OSB or plywood subfloorDH-W19-T-15Areas of

6 WOOD — Floors, Interior Floors, Interior - Natural Stone TileDH-W-S-15Double layer of OSB or Plywood subfloorAreas of Application over any even an

WOOD — Floors, Interior 7Floors, Interior - Existing Vinyl FloorsAreas of Application over any even and structurally sound substrate with existing

8 CONCRETE — Floors, Interior - Ceramic or Stone Tile Every substrate presents unique challengesCONCRETEFloors, Interior - Ceramic or Stone TileDH-

GYPSUM — Floors, Interior - Ceramic or Stone Tile 9Every substrate presents unique challengesGYPSUMFloors, Interior - Ceramic or Stone TileDH-G-TS-