Transform impossible grades into architectural triumphs. At General Masonry Supply Venture, we provide the heavy-duty natural stone outcropping required to anchor the most ambitious landscapes in Northbrook, Lake Forest, and the Chicago North Shore.

Our outcropping stones aren’t just rocks—they are massive, hand-selected slabs of geological history, engineered by nature to provide structural integrity and a “built-by-time” aesthetic for luxury estates.

Rugged Elegance: Our Signature Outcropping Collection

We source from the most prestigious quarries to ensure your landscape stone withstands the brutal Illinois freeze-thaw cycles while maintaining its majestic profile.

• Chilton & Fond du Lac Outcropping: Iconic Wisconsin limestone known for its grey, buff, and lavender hues. Perfect for creating weathered, natural-looking waterfall embankments.

• Rustic Ayers & Lannon Seamface: Bold, textured stones that provide deep shadow lines and a commanding presence for natural retaining walls.

• Snapped & Weathered Edge Profiles: Precision-selected for consistent heights, making them the elite choice for grand natural stone steps and tiered garden terraces.

Beyond Decoration: Structural Masonry Excellence

In the North Shore, drainage and erosion control are as important as beauty. Our outcropping stones serve as the ultimate manmade masonry yard solution:

• Erosion Control with Style: Replace industrial concrete with massive outcropping slabs to manage soil on uneven terrain.

• Custom Stone Fabrication: Need a specific profile? As your local custom-cut limestone supplier, we can coordinate outcropping with your custom fireplace faces or Isokern fireplace systems for a unified property design.

• 3D Project Visualization: Don’t guess how a 2-ton stone will look. We offer 3D renderings to help you visualize your retaining wall or pond feature before the first stone is delivered.

The North Shore’s Partner for Elite Hardscapes

From Winnetka to Glencoe, we are the trusted partner for landscape architects and discerning homeowners who refuse to settle for “standard.”

• Boutique Showroom: Visit us in Northbrook to hand-select the specific pallets for your project.

• White-Glove Delivery: Professional logistics to ensure your heavy outcropping arrives safely at your job site.

• The Complete Palette: Pair your outcropping with our Natural Stone Veneers or Bluestone Pavers for a world-class finish.