{"id":1927,"date":"2025-11-01T12:53:00","date_gmt":"2025-11-01T12:53:00","guid":{"rendered":"https:\/\/www.speedrackwest.com\/?p=1927"},"modified":"2026-01-13T14:43:16","modified_gmt":"2026-01-13T14:43:16","slug":"what-is-high-piled-storage","status":"publish","type":"post","link":"https:\/\/www.speedrackwest.com\/blog\/what-is-high-piled-storage\/","title":{"rendered":"What is High-Piled Storage?"},"content":{"rendered":"\n

Short Definition of High-Piled Storage<\/h2>\n\n\n\n

High-piled storage on pallet racks<\/a>, shelving, or cantilever systems<\/a> is any stack over 12 ft<\/strong> (or 6 ft<\/strong> for flammable items like tires, aerosols, or plastics). Taller stacks increase fire risk, which is why fire codes are strict. Miss the details, and inspectors will shut you down. Get the height, area, or product class wrong, and you risk fines, shutdowns, or a fire your sprinklers can\u2019t handle. Follow the rules\u2014stack high safely.<\/p>\n\n\n\n

Criteria<\/th>Details<\/th><\/tr><\/thead>
Height<\/strong><\/td>Over 12 ft for most goods; over 6 ft for high-risk items like plastics, tires, or flammables.<\/td><\/tr>
Area<\/strong><\/td>If your stacks cover more than 500 sq ft, you\u2019ll likely need a permit<\/a>. For smaller setups, check with your local fire marshal.<\/td><\/tr>
Goods<\/strong><\/td>Anything that burns counts, even \u201cnon-flammable\u201d items in cardboard packaging.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

How Fire Codes Classify What You Store<\/h2>\n\n\n\n

Your fire protection depends on what you\u2019re storing. Codes\u00b9<\/a> group goods by how fast they burn:<\/p>\n\n\n\n

Class<\/th>What It Means<\/th>Common Examples<\/th><\/tr><\/thead>
Class I (Low Risk)<\/strong><\/td>Noncombustible goods in basic cardboard or paper wrap.<\/td>Gypsum board, canned food in metal cans.<\/td><\/tr>
Class II<\/strong><\/td>Same as Class I, but packed in wood crates or heavier cartons.<\/td>Frozen food in coated cartons, low-alcohol containers.<\/td><\/tr>
Class III<\/strong><\/td>Wood, paper, natural fibers, or low-risk plastics.<\/td>Furniture, books, clothing, boxed foam.<\/td><\/tr>
Class IV<\/strong><\/td>Mix of Class I\u2013III goods with higher-risk plastics or oils.<\/td>Electronics in plastic, oil-based paints, small appliances.<\/td><\/tr>
High Hazard<\/strong><\/td>Group A plastics, tires, aerosols, flammable liquids, or idle pallets. Burn hot and fast.<\/td>Foam, plastic film, rubber tires, spray cans.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Plastics note:<\/em><\/strong><\/p>\n\n\n\n