Woot offers Deuvuo 35 Oz Clear Glue Sealant, Super Strong Invisible Waterproof Agent, Anti-Leakage Sealant Adhesive Coating for Kitchen, Garden, Roofs, Walls (1 KG) for $8.99 (orig. $25.99). Free shipping for Prime Members.

Product Description:
Versatile Waterproofing Solution: Our Invisible Waterproof Agent is your one-stop solution for protecting a variety of surfaces. Ideal for use on Kitchen, Garden, Roofs, Walls, and more 

• Versatile Waterproofing Solution: Our 1 KG Invisible Waterproof Agent is your one-stop solution for protecting a variety of surfaces. Ideal for use on Kitchen, Garden, Roofs, Walls, and more
• Long-Lasting & Durable: With its strong adhesion and long-lasting formula, this waterproof glue provides a protective, water-resistant layer that significantly prolongs the lifespan of your surfaces, saving you both time and money on frequent maintenance.
• Easy Application: With its user-friendly design, you can easily apply our transparent waterproof coating agent by yourself. No need for professional help. Simply apply evenly on the desired surface and let it work its magic!
• Eco-Friendly & Safe: Our transparent waterproof adhesive is formulated to be non-toxic and eco-friendly. It's safe for use around pets and plants, making it an excellent choice for households and environmentally conscious users.
• Invisible & Aesthetic: Unlike other waterproofing sealants, our invisible waterproof anti-leakage agent leaves no visible residue or discoloration. It maintains the original look and feel of your surfaces, ensuring the aesthetics of your home or property are not compromised.