Prefabrication
Prefabrication is the manufacture of building parts or assemblies before delivery to site, so they can be installed rather than built piece by piece on location.
Prefabrication is the manufacture of building parts or assemblies before delivery to site, so they can be installed rather than built piece by piece on location.
What prefabrication means
Prefabrication means making elements in advance, away from their final position, and bringing them to site ready to install. Examples include roof trusses, wall frames, bathroom pods and steel assemblies.
The degree varies from simple cut-to-length kits to highly finished assemblies.
A plain example
A builder buys wall frames assembled in a workshop with studs, track and bracing already fixed. On site, crews position and connect them instead of cutting and screwing loose members. How much time or cost this saves depends on the project and local labour conditions.
Why it matters
Prefabrication changes the work sequence: more decisions up front, tighter tolerances, and logistics planning for transport and lifting. Quality checks happen at the factory, which can make inspection easier, though the site still needs verification.
Common confusion
People use prefabrication, offsite construction and modular interchangeably, but there are differences. Prefabrication describes making parts ahead; panelization and volumetric modular are specific forms. Components still need review against specification.
Practical checklist
Prefabrication succeeds when site and workshop teams coordinate. A few reminders follow.
- Agree tolerances for the structure that will receive the prefabricated parts.
- Label every item and plan the delivery order to match installation order.
- Protect finished parts in transport and storage on site.
- Plan inspections at the factory and again on arrival.
- Document connection details so site crews know the intended fixings.
Related terms
- Offsite construction
- Panelization
- Volumetric modular construction
- Design for manufacture and assembly
Questions people ask
How is prefabrication different from modular?
Prefabrication covers any pre-made part; volumetric modular specifically delivers three-dimensional units.
Does prefabrication need special design?
It benefits from design that suits factory production, such as DfMA.
Who is responsible for quality?
The contract defines this; check factory inspection and site verification duties.
Sources and further reading
Have a project outline or drawings?
Organize your scope, then contact Digital Oro through its official channel. Availability, engineering, pricing and delivery terms need project-specific confirmation.
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