O PTI C URE ™ PRICE
s Specifically formulated for setting
moisture-sensitive stone and tile
s Excellent for quick installation of any
stone or tile
s The CCT™ Advantage:
s Eliminates warping and staining
s Fast curing for time critical installations
s Grout in just 2 hours – Traffic in 4
PRODUCT DESCRIPTION LIMITATIONS
Fast-curing thin-set mortar specifically formulated for setting s Do not bond directly to hardwood, Luan plywood, particle
moisture-sensitive stone and tile such as green and black marble, board, parquet, cushion or sponge-back vinyl flooring,
granite, cement tile. Also excellent for quick installation of any metal, fiberglass, plastic and OSB panels.
stone or tile. Formulated with Controlled Cure Technology™ s Do not use to install resin-backed marble.
which inhibits warping and staining of moisture-sensitive stone
and tile that occurs when installed with traditional thin-set
s Although OptiCure does not contribute to warping, we do
mortars. More economical than setting with epoxy mortar. not recommend the installation of moisture sensitive tile
OptiCure™ cures ultra-fast and develops high early strength andstone in exterior areas, underwater or areas subject to
for quick installations. Grout in just 2 hours – traffic in 4. prolonged water exposure since these tiles can warp or curl
Exceeds ANSI A118.4 and 118.11 without the need for under these conditions.
additives. Protected by MoldGard® Technology to resist mold s When setting dimensional stone larger than 12" x 12"
and mildew growth. (30 x 30 cm), contact Technical Services for recommendations
regarding subfloor deflection requirements.
USES — TILE TYPES
s All natural stone tile including green and black marble, SURFACE PREPARATION
granite and other moisture-sensitive stones General Surface Preparation:
s Moisture sensitive cement tile Surfaces must be structurally sound, clean, dry and free from
grease, oil, dirt, curing compounds, sealers, adhesives or any
s Vitreous, semi-vitreous or absorptive tile: Ceramic, mosaic, other contaminant that would prevent a good bond. Glossy
quarry, pavers, cement, porcelain or painted surfaces must be sanded, stripped and cleaned
AREAS OF USE of waxes, dirt or any contaminants. Ambient temperature,
s Interior or exterior floors, countertops, walls surfaces and materials should be maintained at a temperature
above 50° F (10° C) or below 100° F (38° C) for 72 hours.
s Concrete, mortar beds, masonry, Portland cement plaster
s WonderBoard, cement backerboards
Concrete or plaster must be fully cured and accept water
s Exterior grade plywood (interior residential and light penetration. Test by sprinkling water on various areas of the
commercial dry areas) substrate. If water penetrates, then a good bond can be
s Gypsum wall board (dry areas) achieved. If water beads, surface contaminants are present
and loss of adhesion may occur. The contaminants should
s Water-resistant wallboard
be removed before installation. Concrete must be free of
s Existing ceramic tile efflorescence and not subject to hydrostatic pressure.
s Sheet vinyl flooring, VCT Concrete slabs should have a broomed or brushed finish
s Plastic laminates to enhance the bond. Smooth concrete slabs must be
roughened to ensure a good bond.
s Cutback adhesive
Plywood Substrates: beat in with block and rubber mallet. Mortar can be applied up
Plywood floors including those under resilient flooring must to 1/4" (6 mm) thick after beat in. For thicker applications, use a
be structurally sound and meet all ANSI and deflection medium bed mortar. Periodically pull up a tile and check the
requirements. For questions about proper subfloor installation, back to ensure complete coverage with the adhesive. Do not
call Technical Services. spread more material than can be tiled in 10 minutes or while
WonderBoard® Backerboard: material has wet tack (sticky to the touch). If material has
As a superior alternative to an additional layer of plywood, skinned over (not sticky), recomb with notched trowel. If too
WonderBoard backerboard may be installed over plywood dry, remove and replace with fresh material. Material in bucket
subfloors. Refer to the respective data sheet for installation will remain workable approximately 30 minutes.
Existing Ceramic Tile, Resilient Flooring or Plastic Laminates: Allow to cure for at least 2 hours before grouting
Resilient flooring or plastic laminates must be well bonded, depending on temperature and humidity. Polyblend®
clean and free of all contaminates. Roughen the surface by Grout is recommended. Allow an additional 4 hours
sanding or scarifying, rinse and allow to dry. Do not sand before exposing to heavy traffic.
flooring containing asbestos. For existing well-bonded ceramic
tile, mechanically abrade with carborundum stone. Rinse and COVERAGE
allow to dry. When sanding we recommend the use of an 50 - 55 sq. ft. per 25 lb. (4.7 - 5.1 M2/11.34 kg) applied with
approved respirator. a 1/4" x 1/4" x 1/4" (6 x 6 x 6 mm) square-notch trowel.
Expansion Joints: CLEANUP
Expansion joints, control joints and cold joints should never be Clean with water before material dries.
bridged with setting material. They must be brought through
the tile work and filled with an appropriate elastomeric sealant. STORAGE
Store in a cool dry area.
Cutback Adhesive over Concrete:
Adhesive layers must be removed as they reduce mortar SAFETY
bond strength to cement surfaces. Use extreme caution as Contains Portland cement. Avoid eye contact or prolonged
adhesives may contain asbestos fibers. Do not sand or grind contact with skin. Wash thoroughly after handling. If eye
adhesive residue, as harmful dust may result. Never use adhe- contact occurs, flush with water for 15 minutes and consult
sive removers or solvents, as they soften the adhesive and a physician. This product contains free silica. Do not breathe
may cause it to penetrate into the concrete. Adhesive residue dust; wear NIOSH approved respirator.
must be wet-scraped to the finished surface of the concrete,
leaving only the transparent staining from the glue. Do a test ORDERING INFORMATION
bond area first, to determine desirable results. Refer to the
RFCI Pamphlet, “Recommended Work Practices for Removal ITEM CODE SIZE COLOR PACKAGE
of Resilient Floor Coverings” for further information. OSCM25 25 lb. (11.34 kg) White Bag
Add approximately 3 quarts (2.8 L) clean, cool water to
Exceeds ANSI A118.4 and A118.11 specifications.
a 25 lb. (11.34 kg) bag of mortar and mix to a smooth,
paste-like consistency. Mix by hand or use a low speed OPTICURE™ FORTIFIED
(150 - 200 RPM) 1/2" (13 mm) drill. Use immediately, no
waiting time required. Stir occasionally to keep fluffy, but do Pot Life 30 minutes
not add more water. When properly mixed, troweled ridges Open Time 20 minutes
will stand with no slump. Adjustment Time 20 minutes
APPLICATION Shear Bond @ 28 Days:
INSTALLATION TO CONFORM TO ANSI A108.5. Use proper Bisque Tile 710 psi (50 kg/cm2)
sized notched trowel to ensure 100% coverage under tiles. Porcelain Tile 302 psi (22.5 kg/cm2)
Using flat side of trowel, apply skim coat of mortar to the Quarry Tile to Plywood 170 psi (12 kg/cm2)
surface. Apply additional mortar with notched side of trowel Compressive Strength @ 28 Days: 4200 psi (295.3 kg/cm2)
held at a 45° angle to the surface, combing in one direction.
Press tile firmly into place in a perpendicular motion across WARRANTY
ridges, moving back and forth. Perpendicular pressing flattens Custom’s Standard Warranty applies. For complete information
ridges and closes valleys allowing maximum coverage. With call 800-272-8786 or visit www.custombuildingproducts.com.
some tile, back buttering is advisable. Adjust tile promptly and
Seal Beach, CA (562) 598-8808 Customer Support (800) 272-8786 www.custombuildingproducts.com Manufacturing facilities nationwide.