How Deep Should Chain Link Fence Posts Be Buried?
Posted by Jordan Hamasaki on
Do not blindly follow the “1/3 length” rule found in retail guides. In freeze/thaw regions, Chain Link Fence post depth should be governed by local frost line guidance (permit/code/local practice) and loading, not generic rules of thumb. ASTM’s installation practice for chain link fence (ASTM F567) exists for a reason: installation requirements vary by conditions and proven local practice. A conservative rule-of-thumb: Start with at least 1/3 of the post length in the ground, and In frost zones, aim for below the local frost line (many installers add a safety margin beyond that in severe climates). Observed seasonal frost depth...