Create Beautiful Water Features with Black Waterfall Foam

Design captivating waterfalls and pond features easily with Black Waterfall Foam. This 340g can of Aquascape Pond and Waterfall Foam Sealant simplifies the process of filling gaps and joints between rocks and boulders, ensuring maximum water flow in your waterfalls and streams. With no need for a foam gun, the easy-to-use spray can provides a convenient solution for both beginners and experienced installers. Its black polyurethane foam colour blends seamlessly with rocks and gravel for a natural appearance.

Features and Benefits

  • Fills joints and gaps: Helps create a smooth and consistent water flow in water features
  • Quick cure time: Dries in just 15 minutes
  • Convenient application: Easy-to-use spray can eliminates the need for a foam gun
  • Strong and flexible: Low expansion, high-density foam offers durability and can withstand movement
  • Natural appearance: Black colour blends into shadows and pond liners for an authentic look
  • UV stabilised: Resists damage from sunlight exposure
  • Safe and secure: Fish and pond safe when cured, and works well for stabilising rocks and edges
  • Long-lasting: Resistant to flaking, breaking down, solvents, water, and weathering

How to Use

  1. Shake the can well before use.
  2. Spray the foam in the gaps between the rocks and boulders of your water feature, filling it to approximately 70%.
  3. Allow the foam to expand and cure for at least 15 minutes.
  4. Trim off excess foam with a sharp knife or similar tool, ensuring a clean and even finish.

Aqua Gardening Suggests These are Best For

Black Waterfall Foam is ideal for DIY enthusiasts and professional installers looking to create, maintain or repair seamless, efficient and natural-looking water features, such as waterfalls, streams, and ponds.


What is the purpose of Black Waterfall Foam?

Black Waterfall Foam is designed to fill joints and gaps between rocks and boulders to maximise water flow in streams and waterfalls. It is a strong, flexible, and low-expansion foam that eliminates the need for concrete and mortar. Additionally, its black colour allows it to blend seamlessly into rocks and gravel, providing a natural appearance.

How long does it take for Black Waterfall Foam to cure?

The Black Waterfall Foam cures in approximately 15 minutes.

Is Black Waterfall Foam safe for fish and ponds?

Yes, Black Waterfall Foam is fish and pond safe when fully cured.

Can Black Waterfall Foam be used to stabilize rocks and edges?

Yes, Black Waterfall Foam can also be used to stabilize rocks and edges, enhancing the overall stability of your pond or waterfall structure.

Is the foam UV stabilized?

Yes, Black Waterfall Foam is UV stabilized to ensure its durability and longevity outdoors.

Will Black Waterfall Foam break down or flake over time?

Unlike other foams on the market, Black Waterfall Foam is designed not to break down or become flaky over time, ensuring a long-lasting and durable solution for your pond or waterfall.

What is the size of the foam bead this product can make?

A can of Black Waterfall Foam can create a bead of foam with a 1.3cm diameter and approximately 165cm long.

Is an applicator gun required for using Black Waterfall Foam?

No, this particular Black Waterfall Foam comes in an easy-to-use spray can, eliminating the need for an applicator gun. However, if you want greater precision, a larger Aquascapes waterfall foam can (not this one) can be used with an applicator gun.

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(SKU: 131666)

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Shipping Dimensions & Weight

Dimensions: 0.22m (Length) x 0.06m (Width) x 0.06m (Height)

Weight: 0.4kg

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