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SEAL-ONCE® Stay Clean® is an easy, ready-to-use moss & mold inhibitor designed to protect decks, patios, sidewalks, walkways, and rooftops from harmful growth. This powerful solution utilizes an exclusive acrylic-bonded resin that penetrates deeply into porous surfaces, delivering lasting protection. SEAL-ONCE® combines a water-based, ultra-low VOC coating with high performance and ease of application, providing a safe and eco-friendly option for outdoor maintenance. Stay Clean® effectively extends the life of roofs (shake, tile, composite), fencing, decking, furniture, concrete, pavers, stone, and block for months, even years, while preventing costly damage associated with moss and mold. This moss & mold inhibitor also enhances the appearance of your roof and outdoor surfaces, maintaining their natural beauty. Our Ready-To-Use moss & mold inhibitor covers up to 800 sq. ft. with the 2-Gallon container and up to 2,000 sq. ft. with 5-Gallon container, making it ideal for larger areas needing reliable, eco-friendly protection.
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🇺🇸 Ship from USA · On Agora since 2025
$44.98