Sep 14, 2026Applications

How to Renovate Terrazzo Floors Without Demolition | JUKE

Learn how to renovate old terrazzo floors without demolition using epoxy color sand. Resurface suitable terrazzo with a seamless self-leveling finish.

How to Renovate Old Terrazzo Floors Without Demolition

Old terrazzo floors are common in homes, shops, schools, hotels and commercial buildings.
Although terrazzo is known for durability, years of use can leave the surface looking worn, stained, scratched or outdated.
The traditional solution is often to remove the old floor and install a completely new flooring system.
But if the existing terrazzo is still structurally sound, demolition may not be necessary.
A zero-demolition epoxy color sand system can provide a faster way to renovate the surface while keeping the original floor underneath.
JUKE Epoxy Color Sand Self-Leveling is designed for this type of renovation and can be applied over suitable terrazzo substrates after proper surface preparation.

Why Renovating Terrazzo Can Be Difficult

Terrazzo is a hard and durable flooring material.
That is an advantage during use, but it can make renovation more complicated.
Traditional terrazzo replacement may involve:
  • Cutting and breaking the existing floor
  • Removing heavy construction waste
  • Repairing the exposed substrate
  • Installing a new flooring system
  • Waiting for multiple construction stages to finish
For occupied buildings, this can mean more dust, noise, labor and downtime.
If the terrazzo itself remains solid, removing the entire floor may create unnecessary work.
That is where resurfacing becomes an alternative.

Can Epoxy Color Sand Be Applied Over Terrazzo?

Yes, provided the existing terrazzo is solid, dry, clean and properly prepared.
JUKE's Technical Data Sheet specifically identifies old terrazzo as one of the substrates suitable for rapid renovation without demolition.
Instead of removing the existing flooring, the terrazzo becomes the substrate for the new epoxy color sand layer.
The process changes from:
Demolish → Remove → Repair → Rebuild
to:
Inspect → Prepare → Apply → Cure
This is the main principle behind zero-demolition flooring renovation.

When Is an Existing Terrazzo Floor Suitable?

Not every old floor should simply be coated.
Before resurfacing, the original terrazzo should be checked carefully.
The existing floor should be:
Structurally stable
Loose, hollow or detached areas must be repaired before coating.
Dry
Excess moisture underneath the substrate can affect adhesion and surface quality.
Clean
Oil, grease, wax, dust and other contamination must be removed.
Relatively level
Deep holes, cracks and damaged sections should be repaired before applying the finishing system.
The JUKE TDS requires the substrate to be firm, dry and clean, with cracks repaired before application.
Zero demolition does not mean ignoring substrate problems.
It means avoiding unnecessary removal of a floor that is still structurally usable.

Surface Preparation Before Application

Terrazzo is usually dense and smooth.
Because of this, mechanical surface preparation is important.
The purpose is not to remove the terrazzo itself, but to create a clean and suitable bonding surface.
A typical preparation process includes:

1. Inspect the Floor

Check for:
  • Cracks
  • Hollow areas
  • Loose sections
  • Oil contamination
  • Uneven surfaces
  • Previous coatings or wax
Any unstable area should be repaired first.

2. Grind the Surface

Mechanical grinding helps remove surface contamination and creates a better profile for adhesion.
The finished substrate should be clean and free from loose particles.

3. Repair Defects

Cracks, joints, holes and damaged sections should be repaired and leveled before the epoxy color sand system is installed.

4. Remove Dust

After grinding, the floor must be thoroughly cleaned.
Residual dust can reduce bonding performance.
Surface preparation is one of the most important stages of any overlay system.

Why Epoxy Color Sand Works Well for Terrazzo Renovation

The goal of terrazzo renovation is usually not simply to repaint the floor.
Customers often want the old surface to look completely different.
Epoxy color sand offers several advantages for this type of project.

Seamless Appearance

Traditional terrazzo contains visible joints and aggregates.
Epoxy color sand creates a continuous decorative surface over the existing floor.
This gives older spaces a more modern appearance without rebuilding the complete flooring structure.

Self-Leveling Characteristics

JUKE Epoxy Color Sand is designed as a self-leveling system.
After mixing and spreading, the material flows to form a continuous surface.
This helps create a smooth decorative finish over suitable prepared substrates.

High Mechanical Strength

According to the JUKE TDS, the system has:
  • Compressive strength of ≥80 MPa
  • Mohs hardness of Level 8
  • Approximately 98% solid content
These properties make the system suitable for residential and commercial flooring applications where durability is required.

Decorative Stone-Like Finish

Epoxy color sand combines resin with colored mineral particles.
The resulting appearance provides a stone-like decorative effect while maintaining the seamless characteristics of an epoxy flooring system.
This makes it particularly suitable for renovation projects where the customer wants to modernize an old terrazzo floor rather than simply restore its original appearance.

Is Primer Required Over Terrazzo?

For a dense, sound and properly prepared terrazzo surface, a separate primer is normally not required with the JUKE zero-demolition system.
This is one of the differences between dense substrates such as terrazzo and more porous concrete surfaces.
However, the actual substrate should always be evaluated before application.
If there are unusual moisture conditions, loose areas or highly porous repaired sections, additional substrate treatment may be necessary.
The key point is:
No primer does not mean no surface preparation.
Grinding, cleaning and repairing the existing floor remain essential.

Application Process

Once the terrazzo substrate is ready, the installation process is relatively straightforward.

Step 1: Mix

Combine the two components thoroughly until the material is uniform.
JUKE products are supplied as a matched two-component system for application.

Step 2: Pour

Pour the mixed material onto the prepared floor.
Avoid leaving mixed material in the bucket for too long because epoxy begins curing after mixing.

Step 3: Spread

Use a notched trowel to distribute the material evenly across the floor.
The self-leveling characteristics help form a continuous finish.

Step 4: Allow the Floor to Cure

Protect the area during curing.
According to the TDS:
  • Surface dry: approximately 4–6 hours
  • Hard dry: approximately 24 hours
  • Light pedestrian traffic: approximately 48 hours
  • Vehicle traffic: approximately 72 hours
Temperature and humidity can affect actual curing time.

How Much Material Is Needed?

JUKE's current export specification is 20 kg per set, with approximately 10 m² coverage under typical application conditions.
Actual material consumption depends on:
  • Existing floor flatness
  • Surface defects
  • Application thickness
  • Amount of repair work required
A smooth terrazzo floor generally provides a more predictable material consumption than a rough or damaged concrete substrate.
Contractors should calculate the project area and inspect the substrate before estimating final consumption.

Terrazzo Restoration vs. Epoxy Color Sand Resurfacing

These two approaches serve different purposes.
Traditional terrazzo restoration normally aims to preserve the original terrazzo.
It may involve:
Grinding → Polishing → Sealing
This is suitable when the customer still likes the existing terrazzo appearance.
Epoxy color sand resurfacing has a different goal.
It allows the customer to change the appearance of the floor completely while keeping the original terrazzo as the substrate.
This makes it particularly useful when the existing floor is structurally good but visually outdated.

Where Can This Renovation Method Be Used?

Terrazzo floors are often found in:
  • Retail stores
  • Hotels
  • Schools
  • Corridors
  • Offices
  • Residential buildings
  • Public facilities
  • Older commercial properties
These are exactly the types of locations where avoiding major demolition can provide significant practical benefits.
For occupied commercial spaces, reducing dust and construction waste can be particularly valuable.

A Strong Product Opportunity for Flooring Distributors

For flooring distributors and renovation suppliers, terrazzo resurfacing provides another way to position zero-demolition epoxy flooring.
Instead of competing only in new construction, distributors can target the much larger renovation market.
The sales message is easy to understand:
The old terrazzo does not necessarily need to be removed.
JUKE supports distributors with:
Factory-direct supply, OEM packaging, technical support, marketing materials and low MOQ starting from 36 sets.
This allows flooring suppliers to test the renovation category without carrying a large initial inventory.

Final Thoughts

Old terrazzo floors do not always need to be removed.
When the existing substrate is stable, dry, and properly prepared, JUKE Epoxy Color Sand can be applied over suitable terrazzo to create a new seamless surface without full demolition.
For contractors, property owners, and flooring distributors, this provides a practical renovation option with fewer demolition steps, less construction waste, and a completely new decorative finish.
Read the Complete Guide to Epoxy Color Sand Self-Leveling Flooring
Learn More About Applying Epoxy Flooring Directly Over Existing Floors