Why Choose Flat Stackable Boulders?
Granite Companies has specialized knowledge in sourcing and processing flat granite boulders, ensuring that every load leaving our yard meets the highest quality standard — the same standard we apply to our own retaining wall construction projects.
Natural Flat Faces for Dry-Stack
These boulders are selected specifically for their naturally flat top and bottom faces — allowing stable dry-stack construction without mortar. The flat face contact distributes load evenly across each course for a structurally sound wall.
No Mortar Required
Dry-stack walls built with flat stackable boulders are self-draining and self-supporting. The absence of mortar means no cracking from frost movement — a critical advantage in Minnesota's freeze-thaw climate.
Natural Character
Each boulder is unique in color and texture — creating walls with the organic, naturalistic character that manufactured block cannot replicate. Flat stackable boulders age beautifully, developing moss and lichen that enhance their natural appearance over time.
Versatile Sizing
Available in a range of sizes within the flat stackable category — allowing contractors to select material suited to wall height, load requirements, and aesthetic goals. Call to discuss sizing for your specific project.
Common Uses
Dry-Stack Retaining Walls
The primary application — stacked without mortar to create naturally draining retaining walls for residential gardens, terraced landscapes, and commercial properties.
Garden Terrace Walls
Used to create level planting terraces on sloped residential and commercial properties. Natural granite complements plantings and softens the landscape.
Landscape Feature Walls
Built as free-standing feature walls, seating walls, and decorative elements in residential and commercial landscape designs.
Steps & Staircases
Flat stackable boulders make natural, stable step units for garden stairways and terraced landscape access paths.
Vineyard & Farm Terracing
Used on rural and agricultural properties to create vine and crop terraces — the same application for which dry-stack stone walls have been used for centuries.
Fire Pit & Seating Areas
Used by landscape contractors to create natural stone fire pit surrounds and informal seating areas on residential properties.
Product Specifications
| Shape | Natural — selected for flat top and bottom faces |
| Material | Natural Minnesota Granite |
| Size Range | Varies — call to discuss project requirements |
| Weight | Varies by size — typically 200–800 lbs per stone |
| Color | Grey with natural variation; some brown/buff tones |
| Finish | Natural split — unprocessed |
| Availability | In stock — call to confirm |
| Delivery | Same day available (call before noon) |
| Equipment | Excavator or skid steer for larger pieces |
| Pickup | East Side: Inver Grove Heights / West Side: Corcoran |
| Pricing | Call for current pricing and availability |
Delivery & Pickup
Same Day Delivery Available
Call before noon for same day delivery across the Twin Cities metro. Side dump and clam truck available.
Yard Pickup
Pick up directly from our East Side yard (Inver Grove Heights) or West Side yard (Corcoran).
Call for Pricing
No pricing online — call us for current availability and volume rates.
Chris: (651) 341-0438 Corey: (612) 282-7403Other Products
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