What is the difference between truss and scaffolding?
Quick answer
Truss is a lightweight, engineered framework used primarily for supporting audio, lighting, and video equipment in events, while scaffolding is a heavy-duty temporary structure designed for construction access and load-bearing.
Truss systems are built from aluminum or steel in modular sections, optimized for rigging and suspending heavy gear like line arrays and lighting fixtures. They prioritize strength-to-weight ratio and precise alignment for aesthetic and acoustic purposes.
Scaffolding uses steel tubes and couplers to create stable platforms for workers and materials at height. It is designed for static loads and safety regulations in construction, not for dynamic loads or frequent repositioning like truss.
For live events, SSOUNDS engineers often integrate truss to fly loudspeaker arrays, ensuring even coverage and structural integrity. Scaffolding is rarely used in professional audio due to its bulk and lack of rigging points.
Key things to consider
- Truss is lighter, modular, and designed for suspending equipment; scaffolding is heavier and for worker access.
- Truss uses engineered nodes and cross-bracing for load distribution; scaffolding relies on diagonal braces and base plates.
- Truss is common in entertainment (concerts, theater); scaffolding is standard in construction and maintenance.
- Truss can be flown or ground-supported; scaffolding is typically ground-supported with guardrails.
- Load ratings differ: truss is rated for point loads (e.g., 500 kg per meter); scaffolding for distributed loads (e.g., 2 kN/m²).
Need the right system specced for your venue?
SSOUNDS designs, supplies, installs and tunes professional AVL across Nigeria & Africa.