SF401 Pro Black Foam Sealant Adhesive

Pro Black Foam Waterfall & Landscape Foam is a professional-grade black foam sealant designed for landscape, pond, and waterfall applications—even in cold weather. Its moisture-curing polyurethane formula ensures superior adhesion to natural and synthetic surfaces, forming a watertight and durable seal. Engineered for all-season performance, this pest block foam is ideal for structural and aesthetic outdoor sealing jobs, providing reliable results even at temperatures as low as 21°F (-6.1°C).

Color

Black

Size

24 fl oz

Features & Benefits

  • Expands to fill gaps and cracks with a strong, waterproof bond, ideal for landscape and pond features.
  • The black finish blends naturally into rocks and shadows for seamless, aesthetic integration.
  • Excellent adhesion to stone, concrete, wood, and plastics—even on damp surfaces.
  • Designed for professional use with gun applicators, ensuring precision and high output.
  • The winter formula allows application in temperatures as low as 21°F (-6.1°C).
  • Waterproof, UV-resistant, and long-lasting with a durable, rigid finish.

Specs

  • Chemical Structure: Polyurethane Prepolymer.
  • Curing Mechanism: Moisture.
  • Skin Time: 6±2 min. (ASTM C1620).
  • Cutting Time: ≤40 min. (ASTM C1620).
  • Curing Time: 24 hours
  • Foam Color: Black
  • Compression Strength: 4,35 PSI (DIN 53421)
  • Ideal Can Temperature: 41°F to 86°F
  • Heat Resistance: -40°F to 176°F
  • Application Temperature: 21°F to 86°F

How to Use

  • Shake the can thoroughly and attach it to a foam gun applicator.
  • Apply foam into cracks or gaps, allowing it to expand and cure.
  • Once hardened, trim and cover as needed to protect against UV exposure.

Application Areas

  • Ideal for sealing gaps between rocks in waterfalls, streams, and fountains.
  • Perfect for landscaping, pond construction, and decorative stonework.
  • Blocks pest access in outdoor structures and gardens.
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