ATRIA microcement is best understood as a complete system, not a single coating. The finished surface depends on each microcement layer doing its job: substrate preparation, microcement primer, microcement base coat where needed, SuperTitanium BC decorative microcement, and New Atriapol Antibacterial microcement topcoat.
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ATRIA Microcement System Layers Explained: ATRIA PURO microcement is a professional Italian microcement system built in layers. The premium build uses substrate preparation, the correct microcement primer, Atriafloor Rasante One base where required, SuperTitanium BC modified-polyurethane decorative microcement, and New Atriapol Antibacterial two-component polyurethane microcement topcoat. Wet areas require proper waterproofing below the microcement system.
Why microcement system layers matter
Microcement is thin, seamless, and refined. That elegance is exactly why the system layers matter. A premium microcement finish needs the right surface below it, the right primer, the right base support, the right decorative microcement, and the right topcoat. Skipping one microcement layer can weaken the whole build.
Project-specific preparation
Microcement substrate review
Every ATRIA microcement project starts with the substrate: flatness, movement, moisture, cracks, tile joints, existing coatings, and intended use. The microcement finish is only as reliable as the surface below it.
Primer selected by substrate
Microcement primer
ATRIA microcement needs the correct primer before the decorative build begins. Concrete, tile, walls, floors, and difficult substrates do not all receive the same primer decision.
Atriafloor Rasante One where required
Microcement base coat
The microcement base layer creates correction, support, and continuity where the substrate needs it. On many floors and wet-area builds, Atriafloor Rasante One is part of the professional base system.
SuperTitanium BC microcement
Decorative microcement finish
SuperTitanium BC is the premium ATRIA microcement finish. Its TDS describes a two-component decorative resin made with modified polyurethane resins in aqueous emulsion and selected aggregates.
New Atriapol Antibacterial
Microcement topcoat protection
New Atriapol Antibacterial completes the microcement system as the final two-component polyurethane protective topcoat. It helps protect the finished surface for daily use and cleaning.
Cure window and maintenance guidance
Microcement cure and handover
A professional ATRIA microcement installation includes proper cure timing before heavy use, water exposure, or aggressive cleaning. The final result depends on respecting the full system, not rushing the last step.
Wet-area microcement rule
Important: microcement is not a waterproofing membrane. In showers, wet rooms, tub surrounds, and other direct-water assemblies, a proper waterproofing system must be installed below the ATRIA microcement system. Atriapol protects the finished microcement surface above the decorative layer; it does not replace waterproofing below.
SuperTitanium BC decorative microcement layer
SuperTitanium BC is the premium decorative microcement layer inside the ATRIA PURO microcement system. This is where ATRIA microcement carries its strongest product identity: refined Italian finish, modified-polyurethane chemistry, selected aggregates, and TDS-published performance data.
| Microcement product | Atriafloor SuperTitanium BC |
|---|---|
| Microcement chemistry | Two-component decorative resin with modified polyurethane resins in aqueous emulsion and selected aggregates |
| Microcement coverage | 1.0-1.2 kg/m2 in two coats on a smooth surface |
| Microcement thickness | Approximately 0.8-1 mm |
| Compressive strength | 32 +/- 2 MPa after 28 days |
| ASTM D4541 adhesion | > 2.5 N/mm2 |
| Shore hardness | D > 65 |
| Operating temperature | -10C to +120C |
Atriapol microcement topcoat layer
New Atriapol Antibacterial is the final protective microcement topcoat in the ATRIA PURO system. It is part of the reason the ATRIA microcement system should be evaluated layer by layer: the decorative microcement layer and the protective microcement topcoat each publish their own technical data.
| Microcement topcoat | New Atriapol W Antibacterial |
|---|---|
| Topcoat chemistry | Two-component, water-dilutable, transparent polyurethane finish |
| Topcoat coverage | 0.085-0.100 L/m2 per coat |
| Antibacterial testing | ISO 22196:2011 listed in the TDS |
| UV behavior | UV-resistant and non-yellowing TDS language |
| Wet abrasion | DIN 53778 above 10000 |
| Topcoat adhesion | EN 1542 above 3.6 MPa |
| Shore hardness | D > 60 |
Frequently asked microcement system questions
How many layers does the ATRIA microcement system have?
A typical ATRIA microcement build includes substrate review, microcement primer, a microcement base coat where required, SuperTitanium BC decorative microcement, and New Atriapol Antibacterial microcement topcoat. Wet-area projects also need waterproofing below the microcement system.
Does ATRIA microcement need primer?
Yes. Primer is not optional in a professional microcement system. The primer is selected for the substrate, so the correct microcement build for concrete may differ from the correct microcement build over tile or wall board.
Is ATRIA microcement waterproof?
ATRIA microcement can be used beautifully in wet-area assemblies, but microcement itself is not a waterproofing membrane. In showers and wet rooms, waterproofing must be installed below the microcement system. Read the microcement shower guide.
What is the premium ATRIA microcement finish layer?
The premium ATRIA microcement finish layer is SuperTitanium BC. The TDS describes it as a two-component decorative resin formulated with modified polyurethane resins in aqueous emulsion and selected aggregates. Read the SuperTitanium microcement guide.
What protects the finished ATRIA microcement surface?
New Atriapol Antibacterial is the protective microcement topcoat in the ATRIA PURO system. Its TDS describes a two-component polyurethane finish with UV-resistant, non-yellowing, ISO 22196:2011 antibacterial performance language. Read the Atriapol microcement topcoat guide.