Seal-Once™ waterproofers for wood, concrete and masonry and composite decking provide long-lasting protection against water and UV damage. Seal-Once eco-friendly coating products are water-based, non-flammable and contain no VOCs, toxins or irritants. Choose from clear or tinted original formulas or specialized marine and industrial grades.
Protects without beading
The advanced technology of Seal-Once penetrates surfaces up to 3/8 inch and bonds to form a superior barrier deep inside. Although beading may be much less evident, this is the ideal application for the longest term protection. Other waterproofers which merely sit on top of the surface will show beading but wear away more quickly, requiring regular re-application. » read more
Green Spec® Listed
The GreenSpec directory by BuildingGreen is the premier trusted source for environmentally preferable building products. Unlike other directories, listings are not sold, they are earned.
What makes Seal-Once™ 'green':
• Releases minimal pollutants
LEED Credits:
• IEQ Credit 4 - Low-Emitting Materials
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"Seal-Once outperforms all other products without the safety risks. We have sold Seal-Once for two years with very positive results."
Paul Gelinas, Store Manager Corriveau-Routhier
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See how Seal-Once has protected this wooden fence since 1989.
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Featured Videos |
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Click thumbnails or visit our video section for details & downloads.
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Seal-Once Featured on CBS Early Show
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Seal-Once Product Demo
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ECO-FRIENDLY |
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Approved by the NH Dept. of Environmental Services as safe for use over fresh or saltwater. Will not harm fish, pets, plants or livestock.
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