National Public Seating SPST484L 149 Inch Stage Platform 4 Tiers 16 Gauge Steel with Guard Rails

National Public Seating  |  MFG #: SPST484L  |  Item #: 933503
$3,497.46 $5,414.00
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  • Supports over 200 lbs. per sq. ft. for heavy-duty use
  • 16-gauge steel frame ensures durability and support
  • Spring-loaded legs allow quick, secure assembly
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The National Public Seating SPST484L NPS® Seated Riser Stage Pie is a versatile, commercial-grade staging accessory designed for professional entertainment, education, and event venues. Constructed with a 3/4" plywood deck supported by a durable 16-gauge steel frame, this four-tier seated riser ensures stability and safety for up to 200+ lbs. per square foot. Compatible with 48" staging platforms, it features spring-loaded locking legs for rapid deployment and secure setup. The black powder-coated finish enhances corrosion resistance, making it suitable for high-traffic environments requiring consistent performance and ease of maintenance. Its precise dimensions of 149" wide by 192" deep and a height of 32" accommodate various seating arrangements with ease, providing an adaptable solution for mid-volume assembly needs in performance halls, lecture theaters, and training centers.

The National Public Seating SPST484L stage riser features a robust steel frame and thick plywood deck to support significant load capacities, ideal for dynamic event environments. Its spring-loaded legs allow quick assembly and disassembly, facilitating seamless setup for multi-event days. With a durable black powder-coat finish, the riser withstands frequent use and cleaning routines typical of busy venues. The four-tier design maximizes stage surface area while maintaining structural integrity, offering a reliable foundation for theatrical performances, speeches, and educational presentations. Designed for use with 48" stages, it ensures compatibility across various venue configurations and heavy-use scenarios, optimizing workflow and safety.

Ideal for arranging seating in theatrical, educational, or presentation environments requiring durable, stable risers.

The National Public Seating SPST484L stage riser features a sturdy construction with a 16-gauge steel frame combined with a 3/4" plywood deck to achieve a weight of approximately 525 lbs. It measures 149" in width, 192" in depth, and 32" in height, suited for medium-scale performances or assembly spaces. The unit is designed for high durability and support, capable of handling over 200 lbs. per square foot, with a total weight suitable for mobile applications on casters or legs. Its advanced locking system ensures stability during use, and the black powder-coated finish offers resistance to corrosion and ease of cleaning. The riser is compatible with standard stage setups and supports quick installation, with dimensions ideally suited for various seating and performance configurations. No electrical requirements or cooling components are applicable.

A stage platform is a professional mobility and elevation support component used in event production, theatrical performances, and presentation settings. Made from high-strength materials like plywood and steel, it provides a sturdy, leveled surface capable of supporting diverse loads. Typically installed in venues such as auditoriums, schools, or conference halls, the National Public Seating SPST484L stage riser is an example of a durable, four-tier platform designed for versatile use in medium-volume performance spaces. It supports flexible staging configurations and enhances audience engagement through elevated presentation, making it ideal for theatrical productions, speeches, and educational demonstrations in busy venues.

This professional stage platform from National Public Seating offers a reliable, durable design tailored for mid-sized event venues. The SPST484L model combines superior construction with easy mobility and secure locking mechanisms, making it suitable for consistent performance workflows in educational, corporate, and performance settings. Its compact footprint supports efficient staging in demanding environments with moderate throughputs, facilitating seamless assembly and breakdown times while maintaining safety and stability. Designed for versatility, this platform is ideal for enhancing presentation quality in busy, adaptable performance spaces.

The National Public Seating SPST484L stage riser stands out with its superior steel frame, lockable spring legs, and high load capacity, providing a stable, reliable platform for professional events. Its rugged construction and compatibility with 48" stages make it a practical choice for venues demanding consistency and durability. The four-tier design maximizes staging space, while the black powder-coat ensures longevity and straightforward maintenance, offering a combination of performance and efficiency that surpasses standard models.

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Product Description

The National Public Seating SPST484L NPS® Seated Riser Stage Pie is a versatile, commercial-grade staging accessory designed for professional entertainment, education, and event venues. Constructed with a 3/4" plywood deck supported by a durable 16-gauge steel frame, this four-tier seated riser ensures stability and safety for up to 200+ lbs. per square foot. Compatible with 48" staging platforms, it features spring-loaded locking legs for rapid deployment and secure setup. The black powder-coated finish enhances corrosion resistance, making it suitable for high-traffic environments requiring consistent performance and ease of maintenance. Its precise dimensions of 149" wide by 192" deep and a height of 32" accommodate various seating arrangements with ease, providing an adaptable solution for mid-volume assembly needs in performance halls, lecture theaters, and training centers.

Top National Public Seating SPST484L NPS® Stage Use Features

The National Public Seating SPST484L stage riser features a robust steel frame and thick plywood deck to support significant load capacities, ideal for dynamic event environments. Its spring-loaded legs allow quick assembly and disassembly, facilitating seamless setup for multi-event days. With a durable black powder-coat finish, the riser withstands frequent use and cleaning routines typical of busy venues. The four-tier design maximizes stage surface area while maintaining structural integrity, offering a reliable foundation for theatrical performances, speeches, and educational presentations. Designed for use with 48" stages, it ensures compatibility across various venue configurations and heavy-use scenarios, optimizing workflow and safety.

  • Load Capacity: Supports over 200 lbs. per sq. ft. for heavy-duty use
  • Material Durability: 3/4" plywood decks and 16-gauge steel frame for longevity
  • Ease of Setup: Spring-loaded locking legs for quick deployment
  • Compatibility: Fits with 48" stage platforms for versatile use
  • Finish & Maintenance: Black powder-coated frame for corrosion resistance and easy cleaning

Ideal for arranging seating in theatrical, educational, or presentation environments requiring durable, stable risers.

National Public Seating SPST484L Technical Specs

The National Public Seating SPST484L stage riser features a sturdy construction with a 16-gauge steel frame combined with a 3/4" plywood deck to achieve a weight of approximately 525 lbs. It measures 149" in width, 192" in depth, and 32" in height, suited for medium-scale performances or assembly spaces. The unit is designed for high durability and support, capable of handling over 200 lbs. per square foot, with a total weight suitable for mobile applications on casters or legs. Its advanced locking system ensures stability during use, and the black powder-coated finish offers resistance to corrosion and ease of cleaning. The riser is compatible with standard stage setups and supports quick installation, with dimensions ideally suited for various seating and performance configurations. No electrical requirements or cooling components are applicable.

  • Dimensions: 149" W x 192" D x 32" H
  • Weight: 525 lbs. (unit weight)
  • Load Capacity: 200+ lbs. per sq. ft.
  • Construction: 3/4" plywood deck, 16-gauge steel frame
  • Finish: Black powder-coated for durability and maintenance
  • Assembly: Spring-loaded locking legs for rapid setup

What is a Stage Platform?

A stage platform is a professional mobility and elevation support component used in event production, theatrical performances, and presentation settings. Made from high-strength materials like plywood and steel, it provides a sturdy, leveled surface capable of supporting diverse loads. Typically installed in venues such as auditoriums, schools, or conference halls, the National Public Seating SPST484L stage riser is an example of a durable, four-tier platform designed for versatile use in medium-volume performance spaces. It supports flexible staging configurations and enhances audience engagement through elevated presentation, making it ideal for theatrical productions, speeches, and educational demonstrations in busy venues.

Top Stage Platforms for Medium-Volume Performance Environments

This professional stage platform from National Public Seating offers a reliable, durable design tailored for mid-sized event venues. The SPST484L model combines superior construction with easy mobility and secure locking mechanisms, making it suitable for consistent performance workflows in educational, corporate, and performance settings. Its compact footprint supports efficient staging in demanding environments with moderate throughputs, facilitating seamless assembly and breakdown times while maintaining safety and stability. Designed for versatility, this platform is ideal for enhancing presentation quality in busy, adaptable performance spaces.

  • Medium-Volume Operations — suitable for regular event setups
  • Commercial Performance Spaces — integrates with existing stage designs
  • Theater and Conference Use — supports multiple seating tiers
  • Moderate Workload — supports dynamic loads and frequent use
  • Event Support — optimized for assemblies requiring stable elevation

Why Choose National Public Seating SPST484L?

The National Public Seating SPST484L stage riser stands out with its superior steel frame, lockable spring legs, and high load capacity, providing a stable, reliable platform for professional events. Its rugged construction and compatibility with 48" stages make it a practical choice for venues demanding consistency and durability. The four-tier design maximizes staging space, while the black powder-coat ensures longevity and straightforward maintenance, offering a combination of performance and efficiency that surpasses standard models.

  • Self-Contained Design: Quick to assemble with locking legs
  • Heavy-Duty Support: Supports over 200 lbs. per sq. ft.
  • Robust Construction Materials: 16-gauge steel and plywood deck
  • Versatile Layout: Compatible with 48" standard stages
  • Long-Lasting Finish: Black powder coating for corrosion resistance

Certifications

BIFMA logo

BIFMA

Certified by BIFMA (Business and Institutional Furniture Manufacturers Association), this product meets established standards for safety, durability, and structural integrity in furniture.

Certifications


From the manufacturer

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Customer reviews

National Public Seating SPST484L NPS® Seated Riser Stage Pie 4 Tiers For Use With 48" Stages
National Public Seating

National Public Seating SPST484L 149 Inch Stage Platform 4 Tiers 16 Gauge Steel with Guard Rails

$3,497.46 $5,414.00

National Public Seating, SPST484L, NPS® Seated Riser Stage Pie, 4 tiers, for use with 48" stages, 200+ lbs. per sq. ft. load capacity, 3/4" plywood deck, 16-gauge steel, black powder-coated frame, spring loaded locking legs, includes 14-gauge guard rails, ANSI/BIFMA, MAS Green Certified