sub surface water filter and storage is designed and engineered for sub-surface drainage as well as providing waterproofing membrane protection and heat and sound insulation.
It eliminates the use of heavy gravel aggregates for sub-surface
drainage and screeds for waterproofing membrane protection
in planter boxes and roof gardens. it is also applied on
retaining walls to prevent build up of hydrostatic pressure

Features & Benefits                      
• High internal void
• High compressive strength
• Lightweight
• Modules interlock for stability and
easy installation
• Protects waterproofing membranes

Applicable Areas
• Intensive green roofs
• Landscaped decks
• Planter boxes
• Basement walls
• Retaining walls
• Paved areas & roadways
• Sports fields