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Trigon Sports

Trigon Sports 3 Row 21' Preferred Low Rise Bleacher BL321LRD - BL321LRD

Trigon Sports 3 Row 21' Preferred Low Rise Bleacher BL321LRD - BL321LRD

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Trigon Sports 3 Row 21' Preferred Low Rise Bleacher BL321LRD - BL321LRD

sports equipment

From local little leagues to professional sports teams, get all the softball and baseball equipment you need to enhance athletic training and improve the overall enjoyment of the game for coaches, players, and viewers.

Introducing to you Trigon Sports 3 Row 21' Preferred Low Rise Bleacher BL321LRD!
Standard Features: 3 & 4 Row Units, 6” Rise/24” Tread, 10” Seat Planks, 12" Front Row Seat Height, Aluminum Frame, Single Footboards, Deluxe Models Feature Double Footboards on ALL Rows
  • SIZE: 3 Row 21'
    What our Experts Think
    • Meets low-rise safety: 6″ row rise and 24″ tread depth promote stability and code compliance.

    • Low front row: Around 12″ seat height makes it safer and more accessible for all spectators.

    • Lightweight and strong: Made from high-quality aluminum frame and 10″ seat planks.

    • Enhanced stability: Double-foot planks on every row provide a firm footing.

    • Weather-resistant: Aluminum components resist rust, reducing maintenance.

    • Compact for small venues: The 21′ footprint is perfect for gyms, small fields, or sidelines.

    Q&A

    Q: What is the BL321LRD bleacher?
    A: A 3-row, 21-foot low-rise aluminum bleacher designed for safe, code-compliant spectator seating.

    Q: How many people can it seat?
    A: Approximately 42 spectators.

    Q: What are its row rise and tread dimensions?
    A: Each row has a 6″ vertical rise and 24″ tread depth.

    Q: What is the front-row seat height?
    A: Around 22.5 inches.

    Q: What materials are used?
    A: Aluminum frame with anodized aluminum seat planks.

    Q: What’s special about the “Preferred” model?
    A: Double foot planks on all rows for improved comfort and stability.

    Q: Is this bleacher portable?
    A: No — it is a stationary low-rise design.

    Q: Who is this bleacher ideal for?
    A: Schools, gyms, sports fields, and facilities needing compact, durable spectator seating.

    Q: Why choose the BL321LRD?
    A: It combines low-rise, safety compliance, sturdy aluminum construction, and added comfort with double foot planks for long-term use.

    Maintenance Tips
    • Clean the aluminum planks regularly with mild soap and water; use a soft brush.

    • Rinse thoroughly after cleaning to avoid detergent residue buildup.

    • Inspect and tighten all fasteners — bolts, nuts, and connectors — every few months.

    • Examine structural elements like supports, cross-braces, and welds for signs of wear or damage.

    • Ensure guardrails and end caps are secure, intact, and free of sharp edges.

    • Confirm the bleacher is properly anchored and level; check base supports periodically.

    • Remove leaves, trash, and debris from under and around the bleacher to prevent moisture accumulation.

    • Document inspections and maintenance (dates, issues found, and work done) for safety tracking.