Guide to Type IAA Heavy-Duty Ladders for Industrial Use

Guide to Type IAA Heavy-Duty Ladders for Industrial Use

Type IAA ladders are the highest ANSI duty rating for portable ladders, supporting up to 375 pounds versus 300 pounds for Type IA. They feature thicker rails, wider steps, and stronger rivets for maximum safety margins. At Dallas Ladder in Rowlett, TX, we stock Louisville Type IAA ladders for industrial professionals.

Our Type IAA Selection

The Louisville Type IAA HD Twin Stepladder offers a 50% larger platform and 36-inch handrail. The Louisville Type IAA Fiberglass Stepladder delivers 375-pound capacity in a standard format. Both feature ProTop tool slots, SHOX impact absorption, and Raptor boots.

All Type IAA ladders are in stock at our Rowlett warehouse at 5030 Dexham Rd. Ste. 103. Delivery across Dallas, Fort Worth, Arlington, Plano, Frisco, and all North Texas. Call 972-331-1090 for expert advice on choosing the right duty rating.

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Jun 16th 2026 Noah Khomer

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