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How to properly secure an underground propane tank?

April 5, 2026

Quick Answer

To properly secure an underground propane tank, install it in a well-ventilated area, at least 10 feet away from any ignition source, and use a concrete slab that extends 6 inches above the surrounding earth to prevent settling and exposure.

Choosing the Right Location

When selecting a location for an underground propane tank, look for a spot that is well-ventilated and level. The tank should be situated at least 10 feet away from any ignition source, such as a barbecue grill or fire pit. Avoid areas with standing water or prone to flooding, as this can compromise the tank’s integrity.

Installation and Anchoring

To secure the tank, use a concrete slab that extends 6 inches above the surrounding earth to prevent settling and exposure. Ensure the slab is at least 4 inches thick and is reinforced with rebar to prevent cracking. The tank should be anchored to the slab using approved straps or brackets, and the connections should be tightened securely to prevent any movement.

Final Checks and Maintenance

After installation, inspect the tank and connections regularly to ensure they remain secure and undamaged. Check the slab for any signs of cracking or shifting, and address any issues promptly to prevent leaks or other safety hazards. Perform regular maintenance tasks, such as inspecting the tank’s gaskets and connections, to extend the tank’s lifespan and ensure safe operation.

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