MasonrySaver 20B Water Repellent for
Concrete can be used on most vertical or horizontal exterior,
above-grade surfaces. It is ideally suited for concrete where
maximum chloride ion protection is needed including:
Architectural concrete; precast or cast-in-place, Mortars,
Exposed Aggregate Products, Portland Cement, Stuccos, and
Concrete Masonry Units.
Mix well before using. Test small area of surface before starting
general application to assure desired results and coverage rates.
Apply from bottom up using a low pressure sprayer (10-25 psi) with
a fan type nozzle, or by roller with a minimum 3/8" nap. Set sprayer
to produce a coarse stream; avoid atomization of the material. Flood
surface until excess runs down six to eight inches below spray or roller
pattern. For maximum penetration and desired coverage rates, a wet
on wet application is recommended; retreat within three to five minutes
after initial application. A wet treated surface may be agitated with a
soft bristle scrub brush to ensure more even distribution and greater
penetration. Protect all adjacent glossy surfaces, paint films, windows,
plant life, asphalt-based materials, and all other non-targeted surfaces
from overspray and rundown. Remove overspray from non-targeted
surfaces immediately with soap and water. Apply to southern exposed
areas during coolest part of day..
Mix well before using. To ensure proper coverage, measure
surface before treating and apply product with low pressure spray or
deep nap roller. Pretest to measure material penetration rates. Apply a
single flood coat using sufficient material so that the surface remains wet
for two to three minutes before product penetrates. If additional material
is required to reach desired coverage rate, a wet on wet application can
be used. Avoid puddling or ponding; brush or broom to spread material to more
porous area. If applicable, block all drains and use absorptive
coverings to contain run-off of excess material. To avoid
unnecessary clean-up, use soap and water to remove overspray as
soon as possible.
What are the Coverage Rate(s):
Coverage rates will range from 80 - 150 square feet per gallon
per coat of application depending upon surface porosity. When
treating fluted, scored, and split-face block, allow for reduced
coverage due to increased surface area.
When to Apply:
Surface and air temperatures should be a minimum of 40°F and a
maximum of 100°F. for two hours following application.
How Long to Wait:
Dries to touch in one to two hours depending on temperature
Pump-Up or Airless Sprayer.
What is a High Solids Silane Blend:
This high solids blend of mostly silane modified with other silicone resins offers a faster cure rate with more predictable results. It does not form a film and, as a result, offers excellent vapor transmission. Its small particle size gives excellent penetration and long-term durability. Ideally suited for highly alkaline substrates and has excellent chemical resistance.
Safety Precautions to Observe:
Proper safety procedures should be followed at all times while handling
the product. Wear chemical resistant gloves and chemical splash
Refer to the
Safety Data Sheet for important health and safety information