Installation Guide

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Deck Mud is a leveling mortar designed for interior or exterior underlayment, for all
types of paver, tile, and marble installations on floors and counter tops.
PRODUCT USE
Deck Mud is a mixture of washed and graded sand meeting ASTM C
144, Standard Specification for Aggregate for Masonry Mortar, and
Portland cement, Type I-II-V that conforms with ASTM C150,
Standard Specification for Portland Cement. Deck Mud has been
factory blended and designed specifically for use by the tile setting
contractor. When the product is pre-blended, it allows the cement to
thoroughly coat the sand particles thus producing a stronger mix than
job-site mixing in a dry-pack application. This standard mix design is
a 4:1 blend.
FEATURES & BENEFITS
• Low shrinkage
• Quality Controlled
• Increases labor efficiency
• Convenient and economical
• Requires only the addition of water
• Excellent for buildings with difficult access
SIZES
• #154-50: 50 lb (22.7 kg) bags
• #154-76: 75 lb (34 kg) bags
YIELD
• 50 lb (22.7 kg) bags – 0.41 cubic feet
• 75 lb (34 kg) bags – 0.62 cubic feet
For example, each 50 lb (22.7 kg) bag of Deck Mud will yield
approximately 40 square feet (3.7 M
2
) at 1/8” (3 mm) thick.
TECHNICAL DATA
• ASTM International
ASTM C 144, Standard Specification for Aggregate for
Masonry Mortar
ASTM C150, Standard Specification for Portland Cement
• Proportioned in accordance with the requirements of American
National Standards Institute – (ANSI) A108.1A.2.2.1
INSTALLATION
SURFACE PREPARATION
Smooth surfaces must be scarified (roughened). Remove all loose
material and dust. Clean surface thoroughly. Do not leave standing
puddles. Not for application over paint or sealers.
ADMIXTURES
For applications of ½ to 1-½ inch (12 -38 mm) in thickness, replace
half of the mixing water with QUIKRETE
®
Concrete Acrylic Fortifier
#8610 and mix as described below. For applications from 1-2 inches
(25-50 mm) thick, first coat with QUIKRETE® Concrete Bonding
Adhesive #9902. Allow the bonding adhesive to dry before
proceeding. NOTE: Acrylic Fortifier and Concrete Bonding Adhesive
must NOT be used in the same application
MIXING
QUIKRETE
®
Deck Mud can be hand mixed or machine-mixed with a
paddle-type mortar mixer.
Hand Mixing
• Empty Deck Mud bag(s) into a suitable mixing container
• Add initial water
 Work the mix with a shovel, rake or hoe
Machine Mixing
QUIKRETE
®
Deck Mud can be mixed in a barrel type concrete mixer
or a mortar mixer. Choose the mixer size most appropriate for the
size of the job. Allow at least 1 cu ft (28 L) of mixer capacity for each
75 lb (34 kg) bag of QUIKRETE
®
Deck Mud to be mixed at one time.
• Add initial water to the mixer.
• Turn on the mixer and begin adding bags of Deck Mud to the mixer
Water Quantities
• For each 75 lb (34 kg) bag of QUIKRETE
®
Deck Mud to be mixed,
add approximately 4 quarts (3.8 L) of fresh water to the mixer
• For each 50 lb (22.7 kg) bag of QUIKRETE
®
Deck Mud to be mixed,
add approximately 2.7 quarts (2.5 L) of fresh water to the mixing
vessel
• If the material becomes too difficult to mix, add additional water until
a workable mix is obtained
Note – Do not exceed a total volume of 5 ½ quarts (5.2 L) for each 75
lb (34 kg) bag or 3.6 quarts (3.4 L) for each 50 lb (22.7 kg) bag. Do
not leave standing puddles.
Blended Cement / Sand
Mix for Horizontal
App
lications
DIVISION 3