Installation Guide

3
SCHLUTER
®
ALL-SET
2.0% or less before installing Schluter
®
uncoupling membranes. Follow gypsum
manufacturer’s directions for additional
substrate preparation.
Mixing
Put clean, potable water into a clean pail.
Slowly add powder while beginning to
mix. For installing Schluter membranes,
use 7.5 - 8.5 qts (7.1 - 8.0 L) of water to
50 lbs (22.7 kg) of mortar. For installation
of tile, use 5.5 - 6.5 qts (5.2 - 6.2 L) of
water to 50 lbs (22.7 kg) of mortar. Mix at
a slow speed (<300 rpm) for 5 minutes.
Let the mixture slake for 10 minutes then
remix at a slow speed (<300 rpm) for
an additional 3 minutes. Following this
procedure will produce the best workability
and help ensure maximum open time and
pot life. To install Schluter
®
membranes
the mortar should be mixed to a fairly fluid
consistency, but still able to hold a notch.
Do not add more water after mixing.
Application
To substrate:
1. Apply a thin layer of the mortar with the
flat side of the trowel to produce solid
contact with the substrate.
2. Using an appropriate sized notched
trowel, comb additional mortar using
the notched side of the trowel. Mortar
ridges should run in one direction.
3.
a. Schluter
®
-DITRA family of uncoupling
membranes: solidly embed into the
mortar using a float, screed trowel,
or Schluter
®
-DITRA-ROLLER. When
using DITRA-ROLLER, place a weight
(e.g., bag(s) of mortar/grout or box
of tile) not to exceed 75 lbs (34
kg) on the DITRA-ROLLER shelf.
Slowly move the roller from one end
800-667-8746 (Canada) or by e-mail
at [e-mail] to receive a copy
of the appropriate Schluter
®
Installation
Handbook for your application and a step-
by-step installation video. To download a
PDF version of the Handbook or to view
the installation video online, please visit
www.schluter.com.
Materials must be acclimated to ambient
conditions and installed when the ambient
and surface temperatures are within
a range of 40°F (4°C) to 95°F (35°C).
Tenting of working area may be necessary
to shade the surfaces from direct sunlight
and/or rain. Direct sunlight or high
temperatures may cause flash setting or
skinning of the mortar. If an installation
is to be completed in cold temperatures,
the space must be heated before, during
and after the installation to ensure proper
curing of the mortar. Combustion heaters
must be vented for carbon monoxide
safety.
Surface Preparation
• The substrate must be clean, even, and
load bearing. Any leveling of the subfloor
must be done prior to application of
Schluter ALL-SET
®
.
• For concrete substrates, remove any
waxy or oily films and curing compounds
(if present) by mechanical scarification
(take steps to not breathe in any residual
dust).
• When bonding to particularly dry, porous
concrete, the slab should be moistened
to saturate the concrete and help
prevent premature drying or skinning
of the bond coat. Excess or standing
surface water must be removed prior to
installation.
• For gypsum substrates, residual
moisture in gypsum screed must be
Limitations
• Particle board, luan, Masonite
®
,
hardwood floors, and dimension lumber
are not suitable substrates for tile
applications.
• Schluter ALL-SET
®
is not designed
to level floors. Any leveling or sloping
of the assembly must be done with
an appropriate substrate preparation
material, such as Portland cement
mortar, self-leveling underlayment, etc.
• Tile coverings are not inherently
waterproof. See the Schluter
®
-Shower
System Installation Handbook or the
Schluter
®
-Systems Waterproofing
Membranes Technical Data Sheet for
details on how to create a waterproof
assembly for your application.
• Type, thickness, and format of the tile or
stone surface covering must be suitable
for the intended application.
• Moisture-sensitive stones (e.g., green
marble) and resin-backed tiles may
require special setting materials. Consult
the tile supplier and Schluter
®
-Systems
Customer Support for more information.
• Certain glass tiles may not be
compatible with bonded waterproof
membranes and/or may require special
setting materials. Consult with glass tile
manufacturer and Schluter
®
–Systems
for more information.
Cautions
Refer to Safety Data Sheet (SDS) for
health and safety information.
Installation
Planning
For complete installation guidelines and
warranty criteria, please contact Schluter
®
-
Systems at 800-472-4588 (USA) or
Coverage
Membrane-to-substrate
DITRA-TROWEL™
11/64" x 11/64" (4.5 mm x 4.5 mm)
DITRA-HEAT/-XL-TROWEL™
1/4" x 1/4" (6 mm x 6 mm)
KERDI-TROWEL™
1/8" x 1/8" (3 mm x 3 mm)
150 ft
2
(13.9 m
2
) 100 ft
2
(9.3 m
2
) 200 ft
2
(18.6 m
2
)
Tile-to-membrane
Trowel DITRA
®
/DITRA-HEAT™ DITRA-XL™ KERDI
®
/KERDI-BOARD™
1/4" x 1/4" (6 mm x 6 mm) 60 - 70 ft
2
(5.6 - 6.5 m
2
) 45 - 55 ft
2
(4.2 - 5.1 m
2
) 90 - 100 ft
2
(8.4 - 9.3 m
2
)
1/4" x 3/8" (6 mm x 9.5 mm) 40 - 50 ft
2
(3.7 - 4.6 m
2
) 35 - 45 ft
2
(3.3 - 4.2 m
2
) 55 - 65 ft
2
(5.1 - 6.0 m
2
)
1/2" x 1/2" (12.5 mm x 12.5 mm) 30 - 40 ft
2
(2.8 - 3.7 m
2
) 25 - 35 ft
2
(2.3 - 3.3 m
2
) 40 - 50 ft
2
(3.7 - 4.6 m
2
)
3/4" (19 mm) 25 - 35 ft
2
(2.3 - 3.3 m
2
) 20 - 30 ft
2
(1.9 - 2.8 m
2
) 30 - 40 ft
2
(2.8 - 3.7 m
2
)
Values are approximate. Values based on one 50 lb. (22.7 kg) bag of mortar.