Interlock Paving Systems, Inc. has been an active and aggressive participant since its inception in the early 1980’s, not only in the manufacturing of but also developing concrete pavers and systems which are BMP’s (Best Management Practices), for the management and control of stormwater runoff.
“No slump” concrete mix under extreme pressure and high frequency vibrations. Minimum compressive strength of 8,000 psi. Maximum water absorption of 5%. Meets or exceeds ASTM C-936
Under EPA (Environmental Protection Agency) guidelines, as a permeable pavement, Four Seasons PICP is considered a BMP.