S4C (1/2 Inch Minus) Pipe Bedding Rock Hawaiian Volcanic Organic S4C is placed in lifts

S4C is placed in lifts and compacted both beneath and around the pipe so there are no voids

Filling and raising large areas

A stable foundation under graded base layers

For Waste Management: In waste treatment

or broken ground

S4C (1/2 Inch Minus) Pipe Bedding Rock Hawaiian Volcanic Organic S4C is placed in liftsS4C is 1 2 inch rock graded down to fines, a fine, evenly blended material designed to compact in controlled layers. Its defining use is as a pipe cushion, or bedding, for metal and PVC lines. The fine, uniform texture lets it surround the pipe completely and support it evenly along its length, which protects the line from point loads and from the stress of settling backfill. To work as intended, S4C is placed in lifts and compacted both beneath and