Installation Guide

CONTENTS
WOOD 4
Floors, Interior - 16, 19.2, & 24-inch o.c. joist spacing
Floors, Interior - Natural Stone Tile
Floors, Interior - Existing Vinyl
Floors, Interior - Structural Plank Subfloor
CONCRETE 8
Floors, Interior - Ceramic or Stone Tile
• Young concrete
• Concrete subject to moisture migration
• Pre-stressed/post-tensioned concrete
GYPSUM 9
Floors, Interior - Ceramic or Stone Tile
HEATED FLOORS 10
Wood Substrate - Electric thin-mat or wire system
Wood Substrate - Thin slab (lightweight or gypsum concrete)
Concrete Substrate - Structural concrete slab
WATERPROOFING 13
Floors, Interior - Ceramic or Stone Tile
ACCESS FLOOR PANELS 12
Floors, Interior - Ceramic or Porcelain Tile
INSTALLATION 18
Schluter
®
-DITRA installation instructions
PRODUCT SELECTION 27
Choosing between Schluter
®
-DITRA and DITRA-XL
THIN-SET FACTS 20
Discussion of thin-set mortar types to be used with
Schluter
®
-DITRA
MOVEMENT JOINTS 14
Placement guidelines and descriptions
WOOD UNDERLAYMENT 17
Installation guidelines
Schluter
®
-Systems’ written installation instructions shall have
precedence over referenced industry standard guidelines and installation
procedures insofar as referenced information may contain overlapping or
conflicting requirements. Type, thickness, and format of the ceramic or
stone tile surface covering must be suitable for the intended application.
WARRANTIES 30
TESTING & CERTIFICATIONS 22
Product Evaluation
SOUND CONTROL 26
Discussion of sound control in conjunction with ceramic
and stone tile
NATURAL STONE 24
Discussion of natural stone and single-layer wood subfloors
HOW DOES IT WORK 23
Explanation of how Schluter
®
-DITRA functions
THIN-SET DISCUSSION 21
Evaluation of mortar types used with Schluter
®
-DITRA
• ASTM C627
• Shear bond strength
• Freeze/thaw exposure
This installation handbook is subject to change
without notice. Please visit www.schluter.com
for the latest version.