Home » PUR Black NF - Black Straw Foam 16oz 2 Pack

PUR Black NF - Black Straw Foam 16oz 2 Pack

SKU: BF16-2
$37.98 $37.50

Professional Black Waterfall Foam

PUR Black NF Straw Foam delivers professional void filling and water flow optimization for waterfall and stream installations. This 2-pack of 16oz self-dispensing cans requires no foam gun—ideal for DIY projects and precision applications.

Key Features

  • Self-Dispensing Straw – No foam gun required; built-in straw provides precise control
  • Black Pigmentation – Blends seamlessly with rocks and liners for invisible results
  • Optimized Flow Control – Fills voids to direct water and create natural cascades
  • Waterproof & UV-Resistant – Withstands continuous water exposure and sunlight
  • Rapid Expansion – Efficiently fills irregular spaces between rocks and liner edges

Specifications

  • Contents: Two 16oz cans
  • Color: Black
  • Coverage: ~200 linear inches per can (varies by gap size)
  • Cure Time: Tack-free in 30 min; fully cured in 24 hours

Perfect for waterfall construction, stream edges, and spillway optimization where controlling water flow and concealing gaps are essential.

FAQ

Do I need a foam gun?
No, it features a built-in straw applicator. Simply attach the straw and apply.

How much will one can cover?
Each 16oz can covers approximately 200 linear inches of 1-inch gaps. Larger voids reduce coverage.

Can I trim the foam after it cures?
Yes, once fully cured (24 hours), trim with a utility knife or saw to shape.

Is this safe for fish?
Yes, once fully cured (24 hours), it's inert and safe for fish ponds and aquatic life.

How should I store unused cans?
Store upright in a cool, dry location. Use within 30 days once opened.