- 4, 5, 8, 10, and 15 Row Units
- 8" Rise/24" Tread
- 10" Seat Plank
- 17” Front Row Seat Height
- Available in 21', 27', and 33' Lengths
- Aluminum Frame
- Double Footboards and Risers on All Rows
- Chain Link Guardrail
- Aisle With Handrails
What our Experts Think
-
High‑capacity, mid‑size spectator seating
The 5‑row, 21′ Supreme Series gives ample space for larger crowds (approx. ~58 spectators) without excessive footprint—ideal for schools, sports fields, and community events.
-
Comfort‑focused geometry
With an 8″ rise and 24″ tread per row and 10″ wide seat planks, this bleacher delivers comfortable viewing and easy movement on every tier.
-
Double footboards & risers enhance safety
All rows feature double footboards and risers, improving footing and stability as elevation increases, which boosts spectator confidence and comfort.
-
All‑aluminum construction = low maintenance
Rust‑resistant aluminum frame and planks are built to withstand frequent use with minimal upkeep—perfect for outdoor settings or high‑traffic facilities.
-
Designed for versatile installation
Portable and adaptable to different venue layouts; can be positioned for sidelines, courtside, or as supplemental seating.
-
Enhanced safety features
Chain link guardrails and clear sightlines help meet many safety codes and give spectators peace of mind during events.
Q&A
Q: What is the BL427SP Supreme Series Bleacher?
A: A premium 5-row, 21-foot aluminum bleacher designed for schools, sports facilities, and recreation venues, offering durability, comfort, and professional-grade performance.
Q: How many spectators can it seat?
A: Seats approximately 65–70 people comfortably across five rows.
Q: What makes it “Supreme Series”?
A: Features reinforced aluminum framing, wider seat planks, and optional double footboards for enhanced stability and spectator comfort.
Q: Is it suitable for outdoor use?
A: Yes, corrosion-resistant aluminum construction ensures long-lasting performance in outdoor environments.
Q: Is assembly required?
A: Yes, assembly is required, with instructions provided for straightforward installation.
Q: Where is this bleacher best used?
A: Ideal for mid-to-large venues such as gymnasiums, sports fields, and community event spaces requiring durable and professional seating.
Maintenance Tips
-
Regular cleaning: Wipe aluminum seats, footboards, and frames with mild soap and water to maintain non-skid surfaces and appearance.
-
Inspect frame & hardware: Check bolts, braces, and welds for tightness and wear; retighten or replace as needed.
-
Check seat planks & footboards: Ensure boards are secure, aligned, and free from cracks or bending under heavy use.
-
Prevent corrosion: Rinse periodically, especially for outdoor placement, to reduce oxidation and extend lifespan.
-
Ensure level installation: Place bleachers on stable, even ground to avoid structural stress or tipping.
-
Monitor high-traffic wear: Inspect frequently used areas for fatigue or bending to maintain safety.
-
Safety checks: Verify end caps, edges, and guardrails (if applicable) remain intact to prevent injuries.
-
Seasonal audits: Conduct full inspections before peak sports seasons or major events.
Damage 
Loss 
Theft 
