All systems
Technical sheet
A.01A.02
SystemS-28

Seamless resin floor

A continuous, joint-free floor made by applying layers of resin (epoxy or polyurethane) onto a prepared cementitious substrate. Thin and strongly bonded, it forms an unbroken, waterproof skin that is easy to clean and resistant to chemicals: hence the choice for laboratories, food and pharmaceutical industry, garages and commercial spaces. The performance hinges entirely on the substrate preparation and moisture control.

PavimentazioneContinuous resin coating
B.01
System build-up6 layers
SUPERFICIE D'USOSUPPORTOprimer nel fondo ruvido1. Top coat2. Resina3. Primer4. Rasatura5. Massetto / platea6. Barriera vapore

Technical section of the system, from inside (left) to outside (right).

Continuous resin coating
Spessore del sistema
0,5-5mm
Tipo di resina
epossidica / PU
Umidità max del supporto
≤ 4%
Maturazione (pedonabile)
12-24h
Classe antiscivolo
R9-R12
Resistenza chimica
alta
Descriptive memo

A continuous, joint-free floor made by applying layers of resin (epoxy or polyurethane) onto a prepared cementitious substrate. Thin and strongly bonded, it forms an unbroken, waterproof skin that is easy to clean and resistant to chemicals: hence the choice for laboratories, food and pharmaceutical industry, garages and commercial spaces. The performance hinges entirely on the substrate preparation and moisture control.

A resin floor is not a slab but a coating: a few millimetres of resin applied in several layers onto an existing screed or ground slab. The result is a continuous, monolithic surface, with no joints where dirt and bacteria can lodge, waterproof and customisable for colour, finish and slip resistance. It is a «film» system, and like any film it is worth as much as its bond to the base.

Preparing the substrate

The heart of the job is invisible: the substrate must be mechanically roughened (shot-blasting, grinding) for grip, cleaned of dust and release agents, and consolidated with a primer that penetrates and acts as a bonding bridge. On a base left smooth, greasy or friable the resin does not hold and detaches: most defects start here, not in the resin.

Moisture, enemy number one

Resin is waterproof: if there is moisture beneath it — rising damp, an immature screed, a slab with no vapour barrier — it cannot escape and pushes, lifting the coating into blisters or peeling it off in sheets (osmosis). This is why the substrate moisture is measured before application, curing is waited out and, where needed, epoxy barrier primers or moisture-tolerant resins are used.

Layers, finishes and performance

The system is built up in layers: primer, an optional levelling or quartz-filled multilayer for thickness, and the finish (smooth self-levelling, or a quartz broadcast for slip resistance). Epoxy gives hardness and chemical resistance; polyurethane more flexibility and resistance to UV and thermal shock. The system is chosen according to the loads, chemical attack, hygiene and slip resistance required.

Systems architecture

Why it works

Bond to the base · moisture under control
smooth / damp basetrapped moisture → blister (osmosis)rough + primer + dryprimer keys in → the film bonds

Resin is a thin skin: it is worth as much as its bond to the base. So the substrate is roughened and primed with a bridging coat, and it must be dry: resin is waterproof, and if moisture stays beneath it — rising damp or an immature screed — it cannot escape, it pushes and lifts the film into blisters (osmosis). A rough, clean, dry base: that, not the resin, is where durability is decided.

Surface continuity and hygiene

Comparison · insulants
Tiles with grout joints
many joints
Large-format gres
few joints
Microcement
almost seamless
Continuous resin
seamless

Longer bar = fewer joints and easier to clean. A seamless resin floor has no grout lines where dirt and bacteria lodge: the choice for food, pharma and labs.

Nodal details

Critical junctions · sections
123456
D.01
Multilayer build-up

The system is built up in thin layers on a roughened substrate: a penetrating primer that bridges the adhesion, the resin layer (with a quartz broadcast where slip resistance is needed) and the sealing top coat.

  1. Top coat
  2. Resin layer
  3. Quartz broadcast (anti-slip)
  4. Bonding primer
  5. Roughened substrate
  6. Screed / ground slab
12345
D.02
Coved skirting

At the wall the resin is turned up in a concave cove instead of stopping at a square corner: there is no edge or joint where dirt and water can lodge, so the floor is washable and hygienic — key in food and pharma.

  1. Wall
  2. Cove (concave fillet)
  3. Resin turned up the wall
  4. Resin on the floor
  5. Substrate (screed)

Installation controls

Specification · checklist

01 · Substrate & moisture

Substrate moisture ≤ limit
Sound, dust-free, no release agents
Vapour barrier present where needed

02 · Mechanical preparation

Shot-blasting / grinding for grip
Cracks and joints treated
Surface vacuumed clean

03 · Primer

Penetrating primer applied
Coverage to the data sheet
Barrier primer where damp

04 · Resin layers

Layer thicknesses to spec
Quartz broadcast where anti-slip
Controlled temperature and humidity

05 · Finish, cove & testing

Sealing top coat
Coved skirting at the walls
Adhesion and slip checks

Recurring defects

Diagnostics · site
Adesione
Detachment and delamination from the substrate
CauseA smooth, greasy or friable base, or a skipped primer: the resin film does not bond and lifts in flakes under traffic.
PreventionMechanical preparation (shot-blasting/grinding), penetrating primer, sound and clean substrate.
Termo-igrometrica
Blistering and lifting from rising damp
CauseMoisture rising from below cannot escape through the waterproof film: it pushes and lifts the coating into blisters (osmosis).
PreventionMeasure the substrate moisture, wait for curing, epoxy barrier primers or moisture-tolerant resins, vapour barrier under the slab.
Meccanica
Cracking and crazing from shrinkage
CauseA thick coat cured too fast, or thermal/curing shrinkage stresses, craze and crack the surface.
PreventionLayer thicknesses to the data sheet, controlled conditions, flexible systems where movements are expected.
Meccanica
Substrate cracks telegraphing through (settlement)
CauseA crack or a moving joint in the screed/slab below opens up and copies itself through the thin film on the surface.
PreventionSound substrate, treat and bridge cracks, carry the movement joints through, reinforcing fleece where needed.

Component materials

The network · materials