Stabilized decomposed granite is regular decomposed granite blended with a binder that locks the fine particles together. The short answer on what that gets you: a natural-looking surface that sets up firm like a soft pavement, sheds water, resists ruts and erosion, and does not track onto shoes the way loose DG does. Here is how it differs from plain DG, what the stabilizers are, and where it makes sense.
What stabilized decomposed granite is
Plain decomposed granite is granite that has weathered down into a mix of small gravel and fine, sandy particles. Spread loose, it makes a casual surface, but the fines can wash out in rain and stick to shoes. A stabilizer is a binding agent you mix into the DG so those fines knit together. Once it is compacted and cured, the surface stays firm and holds its shape while still looking like natural granite, not concrete.
Stabilized vs. loose decomposed granite
| Factor | Loose DG | Stabilized DG |
|---|---|---|
| Firmness | Soft, can rut | Firm, holds shape |
| Tracking | Sticks to shoes and paws | Stays put |
| Erosion | Fines wash on slopes | Resists washout |
| Look | Natural granite | Natural granite |
| Best for | Beds, casual cover | Paths, patios, ADA-friendly routes |
What stabilizers are made of
Stabilizers come in two broad types. Organic binders are plant-based powders, often psyllium-based, that you mix in dry and activate with water. Polymer and resin binders coat the particles for a harder, more durable bond. We carry stabilizer products made for exactly this job, including pathway binders and stronger commercial-grade stabilizers, so you can match the binder to how much traffic the surface will see.
Where to use stabilized DG
- Walkways and garden paths that need to stay firm underfoot.
- Patios and seating areas where you want a solid, level surface.
- ADA-friendly and high-traffic routes that need a firm, stable tread.
- Sloped paths where loose DG would wash out in the rain.
For decorative beds and light cover where firmness does not matter, loose DG is fine and costs less.
How it goes down
The process mirrors a standard DG install with one change: you mix the stabilizer into the top layer of DG before you compact. Build a compacted base, spread the stabilized DG, wet it per the product directions, and compact in passes until it is firm. Our step-by-step DG install guide walks through the full sequence.
Frequently asked questions
What is the difference between decomposed granite and stabilized decomposed granite?
Decomposed granite is the natural weathered stone. Stabilized decomposed granite is the same material with a binder mixed in, so it compacts into a firmer surface that resists tracking and erosion while still looking natural.
Is stabilized decomposed granite permeable?
Yes, it still lets water pass through while staying firm, which is part of why it is popular for drought-tolerant and water-wise landscapes. Polymer-bound surfaces are firmer and somewhat less permeable than organic-bound ones.
How long does stabilized DG last?
A well-installed stabilized surface lasts for years. It can need an occasional topcoat or touch-up in high-traffic spots, but it holds up far better than loose DG.
Can I add stabilizer to DG I already have?
It works best mixed in during install before compaction. Stabilizing an existing loose surface is possible with some products but gives less even results than mixing it through fresh material.
Get the materials
Browse our stabilizers and pick your color from our decomposed granite. Use the coverage calculator to size the job, and order a sample to see the color first. We deliver nationwide from our California yards.