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Is Microcement 100% Waterproof?

Feb 26, 2026 / Written By Marie Hally

Is Microcement 100% Waterproof? Yes — When Installed as a Complete System

Microcement has transformed modern interiors across Ireland. Seamless bathrooms, continuous floors, spa-style wet rooms — all without grout lines or tile joints.

But let’s answer the question clearly:

Is microcement 100% waterproof?

When installed as a complete reinforced system — yes, it is.

At Concrete Fair, we install Forcrete, a fully waterproof micro-quartz system engineered for residential and commercial environments.

There is no partial waterproofing.
There are no vulnerable layers.
The system is waterproof from base to finish.


Waterproof Through Every Layer

Forcrete is not a decorative skim coat.

It is a structured, multi-layer build-up designed to create a fully sealed surface throughout.

The system includes:

  • Substrate preparation

  • Bonding primer

  • Reinforced base coats

  • Integrated waterproof membrane layer

  • Micro-quartz build coats

  • Fine finish coat

  • Multi-layer protective sealers

Each layer works together as one continuous waterproof system.

There are no grout joints.
No silicone seams.
No weak points.

Once complete, the surface becomes a continuous waterproof shell.


Designed for Wet Areas

Forcrete is suitable for:

  • Walk-in showers

  • Wet rooms

  • Bathroom walls

  • Bathroom floors

  • Spa areas

  • Commercial washrooms

  • Hospitality projects

The sealed surface prevents water penetration while maintaining breathability and flexibility for modern buildings.

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Why This Matters in Ireland

Ireland’s climate demands reliable building systems.

Humidity, temperature variation and structural movement require finishes that are both durable and flexible.

Forcrete’s reinforced structure ensures:

  • Crack resistance

  • Long-term durability

  • Waterproof performance

  • Stability over underfloor heating

It is engineered for Irish residential and commercial construction.


Seamless vs Tiles

Traditional tiles rely on:

  • Grout

  • Silicone

  • Movement joints

These are maintenance points and potential failure areas over time.

A Forcrete installation removes those weaknesses entirely.

The result:

  • A fully seamless finish

  • 100% waterproof protection

  • Minimal maintenance

  • A calm, natural aesthetic


Residential & Commercial Confidence

Architects and designers are increasingly specifying seamless systems for:

  • High-end new builds

  • Renovations

  • Retreat centres

  • Retail environments

  • Contemporary hospitality spaces

Forcrete delivers both design flexibility and performance assurance.


The Bottom Line

When installed correctly as a complete system, microcement is 100% waterproof.

Not surface-resistant.
Not “water tolerant.”
Fully waterproof.

At Concrete Fair, we approach every project with technical precision and design focus — ensuring the finish performs as beautifully as it looks.


Considering a Seamless Waterproof Finish?

We are based in Clonmel and work nationwide.

Large-format samples are available for viewing.

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