The Natural Standard for Southwestern Landscapes

Our Decomposed Granite offers a classic, rustic aesthetic combined with exceptional natural compaction for stable walkways and driveways. This versatile stone is available in vibrant gold and rose-pink tones, providing a permeable and drought-tolerant solution for modern xeriscaping. We manage the high-volume hauling and quarry coordination across Texas and Oklahoma to ensure your site materials arrive on time and ready for grading.

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Natural Aesthetics: The Versatility of Decomposed Granite

Decomposed Granite (DG) is a weathered igneous rock that has naturally broken down into a mix of small gravel chips and fine sandy particles. It is the premier choice for achieving a “naturalistic” look that is both permeable and structurally sound. Unlike standard gravel, the high “fines” content in DG allows it to pack down into a firm, stable surface that feels like a natural trail underfoot.

At Select Sand & Gravel, we source DG in the iconic Texas gold and pink palettes to complement the native architecture of Austin, San Antonio, and the DFW metro. This material is highly valued in Southwestern design for its ability to provide a clean, finished look that reduces water consumption and requires minimal long-term maintenance.

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Engineering Stability: Compaction and Permeability

The primary technical advantage of Decomposed Granite is its unique gradation of sizes, which allows for superior compaction without sacrificing drainage:

  • Structural Interlock: The blend of small stones and fines fills all internal voids, creating a dense mat that resists erosion and heavy foot traffic.
  • Natural Permeability: Despite compacting firmly, DG remains porous, allowing rainwater to soak into the ground and reducing the runoff issues associated with concrete or asphalt.
  • Organic Integration: DG is an inert mineral that won't alter soil pH, making it safe for use directly around specimen trees, cacti, and ornamental grasses.

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Project Applications: Professional Site Solutions

We handle the entire logistics chain for your DG order, coordinating with regional quarries to provide end-dumps and belly-dumps directly to your job site. Whether you are surfacing a multi-mile park trail in Houston or a residential xeriscape in Oklahoma City, our team manages the hauling schedules so your installation crew stays productive. Common professional applications include:

  • Xeriscape Ground Cover: The gold-standard for low-water landscaping, providing a vibrant, weed-suppressant base for desert-adapted plants.
  • Stable Walkways & Trails: Creates a firm, "crunchy" surface that is ADA-compliant when properly compacted with a stabilizer.
  • Driveway Topping: A cost-effective and attractive alternative to pavement that handles light vehicular traffic without significant rutting.
  • Tree Wells & Garden Borders: Provides a clean, porous perimeter that protects root systems while defining landscape edges.

Frequently Asked Questions

Do I need a stabilizer for Decomposed Granite?

While DG compacts well on its own, adding a chemical stabilizer is recommended for high-slope areas or commercial paths to increase weather resistance and prevent tracking.

The difference is purely aesthetic and depends on the mineral content of the source quarry; both colors offer the same structural compaction and drainage performance.

 

For walkways and general ground cover, a depth of 2 to 4 inches is standard. For driveways, we recommend a 4-to-6-inch base to ensure long-term stability under vehicle weight.

 

Yes, we recommend a professional-grade geotextile fabric beneath the DG to prevent weed growth and keep the granite fines from migrating into the subsoil over time.