Installation Instructions

Product Data
1. PRODUCT NAME
TEC
®
Double Duty™ Plus White Ceramic Tile Adhesive
(TA-123)
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™ Plus is a premium ready-to-use white 100% acrylic interior
adhesive. Excellent for setting marble and ceramic tile over interior walls and
floors. Approved for floor applications with tile up to 8" x 8" (200 x 200 mm)
and wall applications with tile up to 20" x 20" (508 x 508 mm). Bright white,
non-staining formula is perfect for light-colored stone and grout.
Key Features and Benefits
• Best for marble, natural stone and ceramic tile
• Installs up to 20" x 20" (508 x 508 mm) porcelain with no slip
• Quick grab, no slip up to 7 pounds per square foot (34.17 kgs/m
2
)
• Non staining
• Strong, resilient bonds
• Exceeds ANSI A136.1, Type I and Type II specifications
Packaging
1 quart plastic pails (946 mL) Canadian Product #3307215111
1 gallon plastic pails (3.78 L) Product #3307215011
3.5 gallon plastic pails (13.25 L) Product #3307211211
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, vitreous*,
porcelain, marble and natural stone
3
⁄
16
" x
5
⁄
32
"
(4.7 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 9 x 6 mm)
square notch
trowel
20-25 sq. ft.
(1.9-2.3 m
2
)
*Double Duty™ Plus is NOT recommended for use with glass tile.
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. Do not use to install marble tile on plywood.
• Existing ceramic tile
• Coated glass mat backerboard
• 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 Backerboard—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 green marble. For green marble, use TEC
®
AccuColor EFX
®
Epoxy Grout and Mortar.
• 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 using tiles with lugs; use an appropriate TEC
®
mortar product.
•
Extensive laboratory testing has shown that marble installed with Double Duty™
Plus will return to its original color after water in the adhesive has evaporated,
typically 3 to 4 weeks.
Note: Marble, a quarried material, may vary in porosity and chemical composition.
TEC
®
recommends testing the selected marble prior to installation for
discoloration using the following method: Spread adhesive on a marble
sample and allow to cure for 3 to 4 weeks. Check for discoloration.
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.
Double Duty
™
Plus White Ceramic Tile Adhesive
VOC 44 g/L