What is the Difference Between Precast and Prefabricated Concrete?

The main difference between precast and prefabricated concrete is that precast concrete construction involves making concrete by pouring it into reusable molds (called ‘casts’) in a factory or controlled environment. On the other hand, prefabricated concrete construction means making any building part (not just concrete) off-site.

Put another way:

Precast and prefabricated concrete construction are both modern building methods where parts of a building are made somewhere else (not at the final site) and then trucked to the construction site for assembly. Seemingly the same concept, but there are some key differences between the two.

This blog uncovers exactly these differences between precast and prefabricated concrete construction. First let’s understand the basics.

What is Precast Concrete Construction?

Precast concrete means concrete made in a factory.

Instead of pouring concrete on the site (like in conventional methods), precast concrete is made by pouring concrete into molds in a controlled environment — then cured, transported, and installed at the site.

But how is it different from cast-in-place concrete? See, cast-in-place concrete is poured and cured on-site. Whereas, precast concrete elements are made off-site and brought to the site for the sake of better quality control. Simple process but high precision.

In short, precast concrete construction is faster, cleaner, and brings more quality.

Let us tell you a fact: precast construction isn’t new! Ancient Romans used precast-like techniques for aqueducts and tunnels. But John Alexander Brodie from Liverpool gets the credit for modern precast tech in the early 1900s.

Furthermore, precast concrete is used to make walls, beams, columns, slabs, manholes, boundary walls, septic tanks, U-drains, culverts, and more. Even complete buildings can be built using precast panels!

The real-world examples of precast concrete construction are

  • Metro projects (pillars, segments)
  • Flyovers
  • Compound walls
  • Smart city infrastructure
  • Commercial/residential buildings (in urban areas)

Benefits of Precast Concrete:

  • Faster construction.
  • Consistent quality.
  • Reduced site work.
  • Less labor needed on-site.
  • Weather-independent production.
  • Reusable molds = cost savings for scale projects.

Types of Precast Concrete Construction

There are several types to choose from. Here are four common types:

1. Precast concrete walls: Precast concrete boundary walls and precast concrete compound walls are large, rectangular panels used to create exterior or interior walls. But nowadays, these walls are used for decorative purposes also.

Read more: Types of Walls

2. Factory-made concrete beams and columns: Precast concrete beams are horizontal structures that bear loads and receive support at both ends by columns. Precast concrete columns provide structural support to buildings, flyovers, and bridges.

3. Precast concrete slabs and planks: These are flat panels for floor or roof construction purposes. They are typically long, thin sections that are transported and installed at the construction site.

4. Pre-made concrete stairs: These pre-manufactured staircases are widely used in residential, commercial, and industrial buildings because they are durable, low-maintenance, and cost-effective.

What is Prefabricated Concrete Construction?

Prefab Construction = Building Components Constructed Offsite, Assembled Onsite

Instead of building everything at the site, parts of a building (like walls, slabs, beams, and even small building structures) are made in a factory. Then, they are transported to the site and installed.

Does it sound similar to precast concrete construction? Yes. But precast and prefabricated concrete constructions differ in one aspect. Precast is exclusively concrete, but prefab can also refer to the pre-manufacturing of other building components (steel, timber, etc.).

Prefabs are most common in structures with repeated units — like columns of a bridge, dividers between the highways, housing colonies, hostels, hospitals, offices, etc.

In simple terms, prefabricated concrete construction deals only with casting concrete, but the prefab method is more than that. We can create steel sections, glass panels, and pre-cut timbers along with concrete using the prefab method.

In short, prefab construction is the future of construction in India because it is faster, cleaner, higher quality, and more cost-effective. All this made up an ideal solution for large projects and urban infrastructures.

Major Benefits of Prefab

  • Faster project completion.
  • Less site congestion.
  • Better quality control.
  • Reduced labor at the site.
  • Weather-proof production.
  • Cleaner & safer work environment.
  • Less material waste.
  • Cost-effective for large projects.
  • No rain, no dust, no scaffolding risks.

And last but not least, prefab construction is greener than most people think!

Precast and Prefabricated Concrete: Main Differences

Feature

Precast Concrete Construction

Prefabricated Concrete Construction

Definition

Making concrete by pouring it into reusable molds (called ‘casts’) in a factory or controlled environment.

Making any building part (not just concrete) off-site.

Material Focus

Exclusively concrete.

Can include concrete, but also steel sections, glass panels, and pre-cut timbers.

Scope

Deals only with casting concrete elements.

A broader method for creating various building components, which may or may not be concrete.

Process

Concrete is made in a factory, cured, transported, and installed at the site.

Parts of a building (like walls, slabs, beams) are made in a factory, transported, and installed.

Analogy

A modern building method where parts are made off-site; specifically concrete.

A modern building method where parts of a building are made somewhere else and trucked for assembly.

Primary Cost Savings

Reusable molds lead to cost savings for scale projects.

Stated as ‘cost-effective for large projects’ more generally.

Environmental and Waste

Described as ‘cleaner.’

Described as ‘cleaner & safer work environment,’ ‘Less material waste,’ and ‘greener.’

Site Condition Improvements

Faster, cleaner, ‘reduced site work,’ ‘less labor needed on-site.’

Faster project completion, ‘Less site congestion,’ ‘cleaner & safer work environment,’ ‘No rain, no dust, no scaffolding risks.’

Historical vs Future

Ancient Romans used precast-like techniques; modern precast tech credited to John Alexander Brodie (early 1900s).

Described as ‘the future of construction in India.’

Examples

Concrete walls, beams, columns, slabs, manholes, boundary walls, septic tanks, U-drains, culverts.

Walls, slabs, beams, small building structures (can be concrete), steel sections, glass panels, pre-cut timbers.

Common Applications

Metro projects (pillars, segments), flyovers, compound walls, smart city infrastructure, commercial/residential buildings.

Structures with repeated units like columns of a bridge, highway dividers, housing colonies, hostels, hospitals, offices.


How NYGGS Construction ERP Supports Precast and Prefabricated Concrete Construction

Whether you’re building on-site or assembling factory-made components, NYGGS ERP for Construction makes the process automated and faster. Here’s how:

For Precast Concrete Projects

Production Planning & Scheduling

  • Plan mold usage
  • Track curing timelines
  • Optimize batch production

Inventory Management

  • Monitor cement, aggregates, steel usage in real-time
  • Maintain stock levels for molds, admixtures, etc.

Quality Control

  • Record concrete mix designs
  • Log compressive strength results
  • Ensure standard curing procedures are followed

Asset & Equipment Tracking

  • Schedule maintenance for casting beds, cranes, vibrators
  • Reduce equipment downtime

Logistics & Delivery

  • Plan dispatch of finished precast panels
  • Track location, delivery time, and unloading on-site

For Prefabricated Construction Projects

Project Coordination

  • Manage manufacturing timelines vs. site readiness
  • Track which units are ready for assembly

Material Procurement

  • Forecast material needs across factory & site
  • Avoid delays due to missing steel, glass, fasteners, etc.

Labor & Contractor Management

  • Assign factory teams & site crews
  • Track productivity across locations

Cost Tracking

  • Compare planned vs. actual cost per component
  • Identify wastage, leakage, or delay-related costs

Compliance & Documentation

  • Centralize design files, QA reports, material test certificates
  • Ensure compliance with client and regulatory standards

Bonus Benefits for Both Methods

  • Real-time Dashboard for All Stakeholders
  • Mobile App Access for On-site Engineers
  • Faster Client Billing & Payment Tracking
  • Integrated HR & Payroll for labor teams
  • Site photo uploads & daily reports

In short, NYGGS Construction ERP helps you build precast and prefabricated concrete construction faster, smarter, and more profitably. Schedule a demo today and learn how we can help you!