
Products & Applications
Smarter Underground Builds
At FREESTONE UNDERGROUND LLC, we provide a smarter way to build underground. Our modular precast concrete wall systems for underground structures give you structural strength, fast assembly, and customization that works with your needs. Whether you are constructing a root cellar, storm shelter, pump house, or underground shooting range, our approach simplifies every part of the process.

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Engineered for Efficiency
Each wall panel is engineered for strength, designed at 8 feet in height and 9 inches thick. Most layouts are configured with components already in stock, helping you avoid the delays that come with traditional poured-in-place concrete, such as expensive and lengthy design and engineering lead times. Installation can be completed in just days, not weeks, with pre-sized panels, integrated stairways, and everything designed to reduce job-site labor and material waste.
Applications
Some of the most common uses for Our Modular Systems:
Root Cellars
Designed for proper airflow and natural insulation, these units can be configured for dual storage of fruit and vegetables.
Underground Shooting Ranges
Secure, sound-dampened spaces with reinforced panels and short build times.
Storm Shelters and Basements
Quick-turn solutions built with peace of mind and long-term protection in mind.


Serving the West
No matter your purpose, our modular precast concrete wall systems for underground structures offer flexibility to choose the size that you need. Plus, we serve across the Intermountain West with dependable delivery, installation support, and contractor-ready kits.

Build Stronger, Safer, and Faster—Starting Today
Don't wait weeks for engineering and concrete crews to catch up. Take control of your timeline now with modular precast concrete wall systems for underground structures from FREESTONE UNDERGROUND LLC. Build stronger, safer, and faster—starting today.
