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Riser

Production & AVAlso: Staging, deck

A modular platform section used to build a stage, typically 4 × 8 ft and 8–48 inches high.

Narrated walkthrough · 1-minute video
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Riser.

A modular platform section used to build a stage, typically 4 by 8 ft and 8 to 48 inches high.

How it works in practice.

Risers are the building blocks of a temporary stage.

Each deck is a rigid platform, most often 4 by 8 ft, that sits on legs cut or set to a fixed height.

Worked numbers.

In our experience, 16 inches suits a seated room of up to about 150, 24 inches suits most ballrooms of 200 to 400, and standing receptions want 32 inches or more.

Treat those as starting points, not rules.

How to handle it.

Start from the largest tech rider on the program. The stage must fit the biggest act, not the average one.

Add space for backdrop or pipe and drape behind the playing area, typically 60 to 90 cm.

More detail, examples and common mistakes are on this page, below the video.

How it works in practice

Risers are the building blocks of a temporary stage. Each deck is a rigid platform, most often 4 × 8 ft, that sits on legs cut or set to a fixed height. Decks clamp together into one surface, then get carpeted or covered, skirted along the front and sides, and finished with stairs. Rental and hotel AV companies usually stock legs in steps such as 8, 16, 24 and 32 inches, so ask what heights are actually available before you design around one.

Height is a sightline decision. A seated audience at rounds needs the performer’s feet higher than the heads in front of them. A standing crowd needs more. Too high and front tables crane their necks; too low and the back half of the room sees shoulders.

Worked numbers

Stage size 4 × 8 decks Typical use
8 × 12 ft 3 Speaker, MC, solo musician, minimum for most acts
12 × 16 ft 6 Stage magic, small band, panel of three
16 × 24 ft 12 Five- or six-piece band, illusion show with props
20 × 32 ft 20 Large band with risers for drums, dance troupe

In our experience, 16 inches suits a seated room of up to about 150, 24 inches suits most ballrooms of 200–400, and standing receptions want 32 inches or more. Treat those as starting points, not rules.

Crew assembling stage decks in a ballroom

How to handle it

  1. Start from the largest tech rider on the program. The stage must fit the biggest act, not the average one.
  2. Add space for backdrop or pipe and drape behind the playing area, typically 60–90 cm.
  3. Order stairs with a handrail, and a second set if performers enter from a different side than speakers.
  4. Mark the front edge and stair nosings with tape that shows in low light.
  5. Ask the rental company and venue what edge protection they require at your chosen height.
  6. If anyone on the program uses a mobility device, plan a ramp or an alternative presenting position on the floor.

Related tools

Collect each act’s stage needs with the performer tech rider template, then check the stage footprint against seating in the venue capacity calculator. More on layout in the stage and sightlines entries.

Performer pacing out a riser stage

Why it matters

Stage size and height decide sightlines; most acts need at least 12 ft × 8 ft at 16–24 inches.

Example

Six 4 × 8 risers make a 12 × 16 ft stage.

Common mistakes

  • Building a stage with no stairs or handrail
  • No skirting, so cables show