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Half Off Ponds Waterfall Foam Sealant, Black Expanding, 16 oz Straw Can, 6 Pack

Half Off Ponds Waterfall Foam Sealant, Black Expanding, 16 oz Straw Can, 6 Pack HALF OFF PONDS Waterfall Straw Foam 6 Pack of 16oz Can SF16 6PK HALF OFF PONDS Waterfall Straw Foam 1 16oz Can SF16 HALF OFF PONDS Waterfall Straw Foam 12 Pack of 16oz Can SF16 12PK HALF OFF PONDS Waterfall Straw Foam 3 Pack of 16oz Can SF16 3PK

Size:6-Pack

Pack Size:6 Pack

Key item features

Water Flow: Directs water flow by sealing gaps between waterfall rocks and streambeds, preventing water from escaping underneath landscape features.
Structural Support: Provides reliable adhesion and structural reinforcement, designed to support heavy rocks and stones in pond and waterfall applications.
Easy Application: Features a built-in straw nozzle for precise and easy application, suitable for both professional contractors and home users.
Durable Material: Formulated with high-performance black polyurethane spray foam that resists UV damage and remains flexible once cured.
Wet Environment: Stays strong in wet environments, making it ideal for landscape foam and outdoor water features like koi ponds and pondless waterfalls.
Versatile Use: Functions as a spray foam gap filler, waterproof foam sealant, and rock glue to stabilize and enhance outdoor water features.

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Specs

Pond filtration supply type
Pond Filter
Features
UV Resistant
Height
6 in
Weight
6 lb
Product line
SF16-6PK
Model
Straw Foam

Current price is $69.00

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Arrives by Fri, May 29

Sold and shipped by Half Off Ponds

4.133333333333334 stars out of 5, based on 45 seller reviews(4.1)

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About this item

Product details

Transform your backyard water feature into a showpiece with Half Off Ponds Black Waterfall Foam Sealant Spray 6 pack. Specially designed for koi ponds, pondless waterfalls, and streambed rockwork, this black expanding foam fills voids and seals gaps between rocks, preventing water from escaping under your carefully placed stones. The result? A more dramatic, natural-looking cascade and improved water flow. Formulated with polyurethane spray foam, this professional-grade pond foam sealant cures to a durable, UV-resistant finish that blends seamlessly with dark rocks and gravel. Whether you're building a tranquil pond or maintaining an existing waterfall, this landscape foam ensures water moves where you want it—over the rocks, not beneath them. Ideal for both homeowners and contractors, the 16oz can includes a built-in straw for precise, no-mess application. Use it as a spray foam gap filler, waterproof foam sealant, or rock glue to stabilize and enhance any outdoor water feature. Trusted by professionals and DIYers alike, Anjon delivers long-lasting results that elevate the beauty and performance of your pond.

Direct the beauty of flowing water exactly where you want it! Half Off Pond's black expanding foam helps seal gaps between waterfall rocks and streambeds, ensuring water flows over—not under—your landscape features. Ideal for dramatic visuals in koi ponds and pondless waterfalls.
Designed to support heavy rocks and stones, this waterproof foam sealant provides reliable adhesion and structural reinforcement. Perfect for use in pond foam applications, waterfall foam sealant work, and rock glue setups outdoors.
Whether you're a seasoned pro or weekend warrior, this 6 pack spray foam gap filler is easy to apply with the attached straw nozzle. Preferred by contractors for large pond and commercial installations, and simple enough for home use.
Formulated with high-performance black polyurethane spray foam, it resists UV damage and remains flexible once cured. Expanding foam sealant stays strong in wet environments, making it ideal for landscape foam and outdoor water features.
Each can dispenses easily with a built-in straw, giving you precision control on the job. Whether you’re using it as pond foam sealant or gap filler for waterfall foam applications, it’s the go-to solution for fast, effective results.

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Specifications

Pond filtration supply type

Pond Filter

Brand

Half Off Ponds

Features

UV Resistant

Height

6 in

Warranty

Warranty information

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