Black Waterfall Foam 16 oz. - HydroFoam™

For Gluing Waterfall Rocks Together

• Black waterfall foam sealant for all types of pond and water feature construction needs
• Multi-purpose foam
• Durable, flexible
• Black/Charcoal color when cured
• Use to fill voids behind waterfall boulders
• Use to fill voids behind stream boulders
  
• Use to stabilize rock walls, submerged, and non-submerged
• Use to "glue" concrete retaining wall caps to concrete wall blocks
• Bonds boulders to boulders
• Bonds boulders to all types of liners - rubber, concrete, polyurea
• 60% expansion - fill voids with 40% foam, the foam will expand to fill the remaining 60% void
• Dries tack-free in 20 minutes - cures in 24 hours
• Density: 1.4-1.6 lbs/cu. ft.
• Compression: 10-14 PSI