Houyi Expanding Foam

HOUYI Expanding Foam — Premium Scaping Material for Aquarium, Terrarium & Vivarium Landscapes

Create breathtaking aquascapes and terrarium environments with HOUYI Expanding Foam, the professional-grade hardscaping solution trusted by hobbyists and professionals alike. This innovative expanding foam is specifically formulated for ecological landscaping, providing exceptional versatility for various aquatic and terrestrial applications. Whether you’re constructing dramatic rock walls, building miniature mountain formations, or creating seamless backgrounds in your terrarium, this high-performance foam delivers reliable results every time. The advanced moisture-activated curing system ensures proper expansion and hardening, while the included plastic adapter attachment allows for precise application control. Designed with both functionality and safety in mind, the foam is completely safe for all aquarium inhabitants including fish, shrimps, plants, and beneficial bacteria colonies. The CPC-free propellant formulation makes it environmentally responsible while maintaining superior performance. With excellent adhesion properties, you can confidently bond rocks, driftwood, and decorative elements together, creating permanent structures that withstand aquatic environments. The 900 GMS can provides ample coverage for multiple projects or large-scale aquascapes.

Specifications

• Brand: Houyi
• Country of Origin: China
• Weight: 900 GMS
• Available Colors: Brown, Black
• Aquarium Type Compatibility: Freshwater Aquariums, Aqua Terrariums, Paludarium, Terrarium, Vivarium, Turtle Tanks
• Adhesion Surfaces: uPVC, Masonry, Brick, Block Work, Glass, Steel, Aluminum, Timber (excludes PP, PE, and Teflon)
• Propellant: CPC-Free (Ozone-Friendly)
• Curing Method: Moisture-Activated Expansion
• Formulation: High-Tech Ecological Landscaping Material

How to Use HOUYI Expanding Foam

Follow these professional steps for optimal results when using HOUYI Expanding Foam for your scaping projects:

1. Prepare the surface: Ensure all surfaces are clean, dry, and completely free from dust, debris, and moisture before application.
2. Shake the canister: Vigorously shake the can for at least 1 minute to properly mix the foam formula.
3. Open the cap: Remove the cap by turning it in a clockwise direction as indicated on the packaging.
4. Attach the adapter: Connect the included plastic sprayer hose to the canister for controlled application.
5. Apply strategically: Aim at the bottom or deepest part of the area you want to fill, starting from the bottom and working upward.
6. Control expansion: Only fill approximately 30% of the target area — the foam will expand significantly during curing.
7. Wait for initial cure: Allow the foam to cure for at least 60 minutes before attempting to shape or trim.
8. Shape as desired: Use tools like rulers, pen knives, or sculpting tools to shape the foam before it fully hardens.

Care & Maintenance Tips

• Clean equipment immediately: Wipe away all foam residue from the hose and cap after each use to prevent blockages and ensure consistent performance.
• Shape while workable: Use shaping tools within the first 60 minutes after application when the foam is still malleable.
• Bonding applications: Can be applied between rock surfaces or driftwood pieces to securely bond and anchor decorations together.
• Storage considerations: Store the canister in a cool, dry place with the cap securely tightened to maintain product quality.
• Ventilation: Ensure adequate ventilation during application, especially in enclosed terrarium or vivarium setups.
• Surface preparation: For best adhesion results, roughen smooth surfaces slightly before applying foam in aquarium applications.
• Aquarium safety: Once fully cured (24-48 hours), the foam is completely safe for submerged aquarium use with fish, plants, and invertebrates.