Technical Specifications

TECHNICAL DATA
WRT-11
ZINSSER
®
WATERTITE
®
CLEAR
MOLD & MILDEW PROOF FLOOR & WALL PAINT
1
DESCRIPTION AND USES
Zinsser
®
WaterTite
®
Clear
Mold & Mildew-Proof Floor & Wall
Paint is a modified acrylic copolymer designed to form an
impermeable and very smooth, non-pigmented barrier to
water on bare masonry wall and floor surfaces. It is intended
for use on interior or exterior, vertical or horizontal, concrete
block (not lightweight block) and cast-in-place concrete. It
stops moisture from entering or exiting a concrete surface.
WaterTite
Clear Mold & Mildew-Proof Floor & Wall Paint
meets ASTM D-7088 Resistance to Hydrostatic Pressure
and ASTM D-6904 Resistance to Wind Driven Rain.
PRODUCT FEATURES
Interior and Exterior
Floor & Wall Application
Clear, Smooth Finish
For Concrete & Masonry
Resists Wind-Driven Rain
Gloss Formula
Resist 10 PSI of Water Pressure
PRODUCT
SKU
DESCRIPTION
306607
1 Gallon
WHERE TO USE
For maximum performance, apply WaterTite Clear Mold &
Mildew-Proof Floor & Wall Paint over uncoated surfaces. It is
suitable for use on basement or cellar walls and floors to
stop moisture from entering. It also works well on retaining
walls and concrete subfloors. WaterTite
Clear Mold &
Mildew-Proof Floor & Wall Paint can be topcoated with latex,
oil-based or epoxy coatings. It is not recommended for use
on garage floors, in swimming pools or use in contact with
potable water. It can be applied over previously painted
surfaces; however, its waterproofing ability is dependent
upon the integrity and moisture resistance of the prior
coating.
PRODUCT APPLICATION
READ ALL INSTRUCTIONS CAREFULLY BEFORE
STARTING PROJECT
SURFACE PREPARATION
Surfaces must be clean, dry and sound, and free of dirt,
efflorescence, mold, algae, sandy mortar or any material that
could compromise coating adhesion. New concrete must be
cured for at least 7 days prior to coating. Splash water on the
surface to test for the presence of sealers or release agents.
PRODUCT APPLICATION (cont.)
SURFACE PREPARATION (cont.)
If the surface turns dark with the water,
WaterTite Clear Mold
& Mildew-Proof Floor & Wall Paint
can be applied.If not, the
surface must be chemically cleaned and retested before
proceeding. Wash, vacuum, scrape, wire brush or
mechanically abrade to clean the surface.
Remove efflorescence with WaterTite Etch and Cleaner
(sold separately) or equivalent product. Follow label
directions carefully and allow to dry completely. Wipe your
fingers over the clean, dry surface. If and dust or powder is
seen on your fingers, repeat scrubbing and rinsing until
clean. Wear chemical resistant splash goggles and a NIOSH
approved respirator and gloves while handling the etch.
Cast concrete, concrete block and mortar joints must be
hard and firm - not loose or sandy. Scrape the surface with a
flat screw driver using moderate pressure. If soft or sandy,
contact a professional contractor. Use mechanical means
(chip hammer, needle gun or abrasive blast) to open holes
(bug-holes) caused by air bubbles in cast-in-place concrete
to allow the coating to fully penetrate. Replace missing
mortar. Fill cracks and holes (⅛”) with WaterTite Hydraulic
Cement (sold separately) or equivalent product. Fill cracks
and expansion joints with WaterTite Polyurethane Sealant
(sold separately).
WARNING! If you scrape, sand or remove old paint, you
may release lead dust. LEAD IS TOXIC. EXPOSURE TO
LEAD DUST CAN CAUSE SERIOUS ILLNESS, SUCH AS
BRAIN DAMAGE, ESPECIALLY IN CHILDREN.
PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE.
Wear a NIOSH-Approved respirator to control lead
exposure. Clean up carefully with a HEPA vacuum and a wet
mop. Before you start, find out how to protect yourself and
your family by contacting the National Lead Information
Hotline at 1-800-424-LEAD or log on to www.epa.gov/lead.
APPLICATION
Mix thoroughly before use. DO NOT THIN. Apply only when
air, material, and surfaces temperatures are between
50-90°F (10-32°C) and the relative humidity is or less than
85%. Use a brush or ¾” nap roller. It is important to work the
first coat into block pores. If using a roller, back brush the
first coat to work the coating into the concrete pores. Apply
two coats to form a continuous pin-hole free coating. A third
coat may be necessary depending on block porosity. FOR
MAXIMUM PROTECTION OF 10 LBS. WATER PRSSURE
RESITANCE, BRUSH IN THE FIRST COAT.

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