Crushed Decorative Blue Rock | Available in 3/8", 3/4", and 1½" Sizes
 
Elevate your landscape design with the cool, slate-toned elegance of Slate Blue Blue Gravel—a crushed decorative stone known for its rich blue-grey color and crisp, angular texture. Whether you're building a modern driveway, installing a drought-tolerant garden, or edging a path through a winery estate, Slate Blue brings a refined and durable finish to any project.
This crushed rock is available in three functional sizes to meet the needs of both small residential jobs and large commercial installations.
 
Available Sizes & Applications
3/8" Walkways, top dressing, garden paths, driveway and dog runs
3/4" Driveways, drainage, dry creek beds, general landscape and pathways
1½" Ground cover for larger landscapes, erosion control
 
Product Features
Color: Slate-blue and grey tones
Material Type: Crushed rock
Finish: Angular, clean, and modern
Sold By: Cubic Yard (bulk)
Delivery: Local dump truck
 
Best For:
Contemporary hardscapes and commercial design
Landscape accents around boulders, borders, or water features
Durable surface for driveways and heavy-traffic paths
North Bay xeriscapes and winery estates
 
Serving Marin, Sonoma, Napa, and Solano Counties
North Bay Materials proudly delivers Slate Blue Gravel across the region—including Novato, San Rafael, Santa Rosa, Sonoma, Napa, St. Helena, Vallejo, Fairfield, and surrounding communities. Our bulk delivery service is ideal for homeowners, contractors, and architects working on professional-grade landscapes and builds.
 
Order Slate Blue Gravel Today!
Add clean color contrast and structural appeal to your landscape with Slate Blue Gravel. Contact us for a free quote or use our calculator to estimate your quantity needs.
 
 
Frequently Asked Questions - Decorative Gravel - Slate Blue
1. What is Slate Blue Gravel commonly used for?
Slate Blue Gravel is ideal for modern hardscapes, pathways, driveways, drought-tolerant landscapes, winery estates, and decorative accents. Its angular texture makes it excellent for areas requiring stability, while the blue-grey tones create a clean, upscale aesthetic.
 
2. Which size of Slate Blue Gravel should I choose for my project?
Each size serves a different purpose:
3/8" – Walkways, top dressing, garden paths, dog runs, landscaping
3/4" – Driveways, drainage, dry creek beds, pathways, general landscaping
1½" – Ground cover for large landscapes, erosion control, decorative accents
If you’re unsure, we can help you choose the right size based on your project needs.
 
3. How much area does one cubic yard of Slate Blue Gravel cover?
Coverage varies by size and depth, but on average:
≈150 sq ft at 2 inches deep
≈75 sq ft at 4 inches deep
This helps estimate how many cubic yards you’ll need for walkways, driveways, and large ground cover areas.
 
4. Does North Bay Materials deliver Slate Blue Gravel to my area?
Slate Blue Gravel is delivered throughout the North Bay and surrounding areas, including:
Marin, Sonoma, Napa, Solano, Alameda & Contra Costa counties, plus nearby cities such as Novato, San Rafael, Santa Rosa, Sonoma, Napa, St. Helena, Vallejo, Fairfield, Benicia, Martinez and surrounding communities. Delivery is done using our residential-friendly dump trucks.
 
5. Will Slate Blue Gravel compact, and is it suitable for driveways?
Yes. Slate Blue Gravel consists of crushed, angular rock, which compacts well and provides strong traction. The ¾" size is most commonly used for driveways, parking areas, and heavy-traffic paths, offering durability and a clean, modern look.