Installation Instructions

Product Data
TEC
®
122 Double Duty™ Ceramic Tile Adhesive for Walls and Floors
1. PRODUCT NAME
TEC
®
122 Double Duty™ Ceramic Tile Adhesive for Walls and Floors
2. MANUFACTURER
H.B. Fuller Construction Products Inc.
1105 South Frontenac Street
Aurora, IL 60504-6451 U.S.A.
800.552.6225 Office
800.952.2368 Fax
tecspecialty.com
3. DESCRIPTION
Double Duty™ (TA-122) is a premium ready-to-use resin-modified interior
adhesive for superior tack and adhesion. Ideal for ceramic tile over walls and
ceiling and for installers who prefer slightly longer working times. Approved for
floor applications with tile up to 8" x 8" (200 x 200 mm) and wall applications
with tile up to 13" x 13" (330 x 330 mm)
Not recommended for marble tile applications.
Key Features and Benefits
• Quick grab, non sag
• Strong, resilient bonds
• Tacky consistency
• Water resistant
• Exceeds ANSI A136.1, Type I and Type II specifications
Packaging
One U.S. gallon plastic pails (3.78 L) Product #33-0007-5011
3.5 U.S. gallon plastic pails (13.25 L) Product #33-0007-1211
Coverage
Determine recommended trowel size based on tile type. Coverage
will vary with the absorption of substrate and trowel size. Figures
below are presented only as guidelines.
Tile Type
Recommended
Trowel Size
Approximate
Coverage
per gallon (3.78 L)
Up to 6" x 6" (150 x 150 mm)
including: ceramic mosaics standard
wall tile, flat back and vitreous
3
⁄
16
" x
5
⁄
32
"
(4.5 x 4 mm)
V-notch trowel
41-48 sq. ft.
(3.8-4.5 m
2
)
Over 6" x 6" (Over 150 x 150 mm)
including: ceramic, vitreous,
monocottura and quarry
Maximum tile size for floor application is
8" x 8" (200 x 200 mm).
¼" x ¼" x ¼"
(6 x 6 x 6 mm)
square notch
trowel
25-30 sq. ft.
(2.3-2.8 m
2
)
Heavy Tile
including: heavy ceramic, vitreous,
natural stone, slate and pavers
Maximum tile size for floor application is
8" x 8" (200 x 200 mm).
¼" x
3
⁄
8
" x ¼"
(6 x 10 x 6 mm)
square notch
trowel
20-25 sq. ft.
(1.9-2.3 m
2
)
Suitable Substrates
When properly prepared as detailed in Substrate Preparation, suitable
substrates include:
• Concrete—well cured; on, above or below grade
• Cementitious backer units (CBU)
• Exterior Grade Plywood—APA Grade Trademarked Exposure 1 or better;
minimum two-
5
⁄
8
" (15 mm) layers; installed in accordance with TCA Installation
Detail F142.
• Existing ceramic
• Coated glass mat backer board
• Gypsum wallboard (dry areas)
• Water resistant gypsum wallboard
• Cured portland cement plaster
• Masonry
• Plastic laminate
Substrate Preparation
Exterior Grade Plywood Floors—Wood subflooring must be structurally sound
and securely fastened with screw type or ring shank nails and adhesive. Plywood
flooring should be free from dust, dirt, oil, grease, etc. Installation requires two
layers, minimum
5
⁄
8
" (15 mm) exterior grade plywood subfloor and
5
⁄
8
" (15 mm)
exterior grade plywood underlayment on bridged floor joists 16" (40 cm) on
center, with a maximum deflection of
1
⁄
360
of the span. Joints in the top layer
should be offset from joints in the bottom layer of plywood. A gap of
1
⁄
8
" (3 mm) is
required between overlay panels and ¼" (6 mm) is required between panels and
all materials they abut such as walls and posts. Adjacent edges of plywood panels
shall not be more than
1
⁄
32
" (0.8 mm) above or below each other. Follow TCA
Installation Detail F142.
Cementitious Backer Units—Follow manufacturer’s instructions.
Coated Glass Mat Backer Board—Reference TCA Installation Details F146, W245,
B419 or B420.
Plastic Laminate—Roughen surface by sanding or scarifying. Rinse and allow to
dry. Reference TCA Detail TR711.
Existing Ceramic Tile—Remove surface contaminants. Mechanically abrade with
carborundum stone. Rinse and allow to dry. Reference TCA Installation Details
TR712 or TR713.
Storage
Store in cool, dry location. Do not store open containers.
Shelf Life
Maximum of 1 year from date of manufacture in unopened container.
Limitations
Not for exterior use. Do not use for setting fixtures or marble. For green marble,
use TEC AccuColor EFX
®
Epoxy Grout and Mortar; for light-colored marble, use
TEC Double Duty Plus™. Do not use over surfaces such as tempered hardboard,
pressboard, cement asbestos board, particle board, oriented strand board,
gypsum patches, synthetic flooring (linoleum, asphalt and vinyl tile) or similar
unstable substrates. Do not use for underwater applications or where hydrostatic
pressure exists. Do not use for floor applications of tiles with lugs; use an
appropriate TEC mortar product. Not for use with tiles larger than 8" x 8"
(200 x 200 mm) in floor applications; tiles larger than 13" x 13" (330 x 330 mm)
in wall applications; use an appropriate TEC mortar product.
Cautions
Read complete cautionary information printed on product container prior to use.
For medical emergency information, call 1-888-853-1758.
This Product Data Sheet has been prepared in good faith on the basis of
information available at the time of publication. It is intended to provide users with
information about and guidelines for the proper use and application of the covered
TEC brand product(s) under normal environmental and working conditions.
Because each project is different, H.B. Fuller Construction Products Inc. cannot
be responsible for the consequences of variations in such conditions, or for
unforeseen conditions.