150mm Minus Pit Run Select
(6” Minus Screened)
12.5mm -25mm Drain Rock Fractured (Radon Rock)
12.5mm Minus Spec Sand (Bedding Sand/Hydro Sand)
19mm Minus
(3/4” Minus Crushed)
25mm-50mm Drain Rock Fractured
25mm Minus
(1” minus Crushed)
12.5-25mm Drain rock Natural (Radon Rock)
75mm Minus
(3” Minus Crushed)
25mm-50mm Drain Rock Natural