units are called risers or
modular and screw together to make almost any size or shape stage
- straight, angular, curved, circular, tiered, or can be custom-made
to specific measurements.
standard riser size is 2.4m x 1.2m. They're also available in some
fractions, eg 1.2m x 1.2m, 2.4m x 0.6m.
are in increments of 300mm;- eg 0.3m, 0.6m, 0.9m, 1.2m, with some
in-between sizes of 0.15m, 0.45m and 0.75m.
are made of 70mm x 30mm timber with 17mm ply lids, and are collapsible
for storage (see diagram).
load limit per unit.
stage framework is normally covered in stage skirt (see 'drape'
pages) attached by plastic capping called stripping. Stage steps
are called treads.
The stage surface
is usually painted in matte black but any colour or effect can
be done to order, or it can be covered in shoe-kid, a soft vinyl that comes in a variety
of colours (good for runway modeling, etc).