Item #1506077 Model #TPA

National Public Seating 4th level add on for TransPort Straight Choral Riser Standard


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4th level 18" wide add-on for TransPort Straight Riser system.

Easy to transport, easy to set up and tear down, and easy to clean and care for. Safe and stable 4th-tier add-on to the TransPort Straight Riser system.
18-1/8”w x 72 1/2”L x 32 1/2"h


  • Each unit is equipped with wheels for easy transportation when folded and to allow for easy positioning after set up
  • Riser levels supported by a 3” deep, double walled, extruded anodized aluminum frame that overlaps the top of each level to protect the carpet edge
  • Optional guardrails constructed of black epoxy powder-coated tubular steel and equipped with clamp-on attachments for easy installation
  • Riser platforms constructed of 3/4” plywood, surfaced with polyolefin grey carpet
  • 10 year warranty