Designed to meet or exceed ANSI and OSHA standards, Louisville Ladder's 20 ft. Fiberglass Extension Ladder supports a 300-pound load capacity (Type IA), making it strong enough for heavy-duty tasks without compromising portability. The D-shaped rungs are slip-resistant, offering comfortable footing during extended use. With durable slide guides and a quick latch rung lock system, the ladder extends and retracts smoothly for efficient setup and takedown on busy job sites.