Stabilized Decomposed Granite Path

Stabilized Decomposed Granite

    Installation

  1. Decomposed granite as produced from Gail Materials (951-279-1095) is derived from the crushing and screening of naturally friable granite. The blending of course sand with rock dust is not an equal product. The granite is screened to include stone particles of 1/2" minus. The particles that pass the 200 screen mesh as determined by ASTM methodology shall not exceed 18 percent. The sand equivalent shall be a minimum of 30 and the R-value shall be a minimum of 70.
  2. Stabilizing organic binder as distributed by Gail Materials shall have a minimum swell volume of 32 ml/gm. The binder shall be incorporated with the granite fines by the use of a pug mill that includes a weight belt feeder that insures the proper ratio of binder to granite fines. Blending with the use of a bucket loader or similar is not acceptable. For pathways the binder shall be blended at the rate of 12 lbs. per ton of granite fines. For parking lots or roadways the binder shall be incorporated at the rate of 14 lbs. per ton.
  3. For pathways, Stabilized decomposed granite shall be placed to a minimum depth of 3" compacted. For driveways or vehicular roadways Stabilized decomposed granite shall be placed to a minimum depth of 4" compacted.
  4. For each 2" lift evenly spread the material over area of concern. Grade and smooth as desired. Thoroughly water entire area so that the entire depth of the material is moist. After a period of +/- 6 hours compact the finale lift with a 1000-3000lb drum roller. Allow for a sufficient curing period of +/- 4 days prior to use.