Use and Care Manual

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• All surfaces should be cleaned before sealing for best
penetration and performance. Remove all old coatings, dust,
debris and loose material. Remove oil, grease, algae, grime,
mill glaze and mold and mildew stains with appropriate
cleaners. Recommend SEAL-ONCE All Wood Cleaner.
• After cleaning, test absorbency of surface by sprinkling a few
drops of water on the surface. If the water does not readily
penetrate the surface, stripping will be necessary to remove old
coatings prior to applying SEAL-ONCE NANO + POLY Premium
Wood Sealer. Retest surface when dry.
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• Do not use if air or surface temperature is below 50°F/10°C or
above 95°F/35°C.
• Do not apply in rain or when rain is expected within 24-48
hours.
• DO NOT THIN. Mix well. Stir contents or shake thoroughly prior
to use.
• Test a small area to ensure acceptable appearance and
penetration.
• Apply first coat with a synthetic brush; pump-up garden
sprayer; air-assisted; and/or airless sprayer. Use 15-17 tip and
medium to coarse spray pattern. When spraying, always back
brush for best results.
• Second coat can be applied once first coat has penetrated but
is still damp. Second coat must be applied within one hour of
applying first coat.
• For best results, apply in the shade and out of direct sunlight.
• Apply to all surfaces. Apply SEAL ENDS ONCE® to wood ends.
• Do not use with other waterproofing products.
• Allow 3-4 hours for surface to dry completely before permitting
light foot traffic.
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• Approximate coverage: 250-350 sq. ft./gallon per coat. Actual
coverage may vary due to porosity of surface.
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• Allow approximately 3-4 hours for surface to dry, depending
on temperature and humidity, before subjecting to light foot
traffic.
• Allow 24-48 hours for full cure, depending on temperature and
humidity.
• When recoating, apply once previous coat has penetrated and
surface is damp, not wet. Second coat must be applied within
one hour of applying the first coat.
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• Clean all application equipment with warm soapy water.
• Store above 32°F/0°C to protect from freezing.
• Shelf life (unopened): 2 years
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• Protect adjacent areas from overspray and runoff, including
windows and siding. Immediately remove overspray with soap
and water.
• Safety Precautions
• Avoid breathing in spray. If inhaled, move to fresh air.
• Avoid contact with eyes. If splashed into eyes, rinse with
clean water for 15 minutes.
• If skin irritation occurs, wash area with soap and water.
• If accidentally ingested, immediately drink 2 glasses of
water and contact a physician. Do not induce vomiting.
“SEAL-ONCE” and “SEAL ENDS ONCE” are registered trademarks of U-C Coatings, LLC.
Rev.3.11.2018
Manufactured by U•C Coatings, LLC
P.O. Box 1066 | Buffalo, NY 14215 USA
[phone] | [e-mail] | www.seal-once.com
TM
• Disposal: Contact your local enviromnetal regulatory agency for
guidance on disposal of unused product. Do not pour down a
drain or storm sewer.