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Italian Surface Finishes in UK

Meteore 10 Cemento — technical data sheet

Key performance data for this concrete‑effect lime plaster: composition, coverage, drying, fire performance and substrate guidance for UK projects.

Concrete effect plaster Technical data Walls & façades
Technical concrete effect plaster surface detail

MINERAL · BREATHABLE · LOW VOC · CLASS A1 REACTION TO FIRE

Key specifications

Product type Lime‑based, water‑borne decorative coating system for concrete‑effect finishes on interior walls and selected façades. System components: Meteore 10 Cemento, C100 OVER cement glaze, optional Finish V 18.
Appearance Trowelled architectural concrete finish from tight “microcement” looks to more industrial movement and board‑formed textures depending on the chosen Cemento effect.
Specific gravity Approx. 1.58 kg/L (Meteore 10 base) · approx. 1.04 kg/L (C100 OVER).
Viscosity Approx. 15000 cps (Meteore 10) · approx. 3000 cps (C100 OVER) at 20 °C.
Coverage* Meteore 10 Cemento: approx. 1–1.5 m²/L per coat on smooth, primed substrates.
C100 OVER: approx. 4–5 m²/L per coat (lower on heavily textured effects).
VOC & emissions Water‑borne, low VOC decorative system.
TVOC in indoor air < 1 mg/m³ (A+ class).
Formaldehyde emission < 0.005 mg/m²·h (F**** class).
Reaction to fire Class A1 (non‑combustible) to EN 13501‑1 for Meteore 10 and C100 OVER.
Use & positioning Interior walls and selected façade elements where a refined concrete look is required. Not designed for permanent immersion, shower interiors or floors; for those applications specify continuous waterproof systems and use Cemento as the visual reference.

*Coverage values are indicative and depend on substrate smoothness, absorption, application method and chosen texture. Always confirm on representative sample areas before large‑scale work.

System build — Cemento cycle

  • Primer 1200 — one coat by roller, brush or spray on clean, sound substrates. Dilution typically 15–20 % with water (up to 30 % on highly absorbent surfaces).
  • Meteore 10 Cemento — first coat — thin, continuous build layer applied by stainless‑steel trowel to create a uniform mineral film.
  • Meteore 10 Cemento — second coat — design coat worked with appropriate tools to achieve the selected Cemento effect.
  • C100 OVER cement glaze — one coat by roller, brush or spatula once the mineral body is dry. Normally undiluted; may be diluted up to 10 % with water for subtle finishes.
  • Finish V 18 (optional) — 1–2 coats for increased water resistance and cleanability in circulation and hospitality zones.
  • Accessories — Pixel Pens may be used to define shutter joints and panel lines where a board‑formed reading is required.

Drying, curing & coverage

  • Primer 1200 — touch dry after approx. 1 hour; overcoatable after at least 6 hours at 20 °C.
  • Meteore 10 Cemento — surface dry after 3–4 hours; normally overcoatable after 24 hours.
  • C100 OVER — touch dry after around 2 hours; re‑coatable / sealable after 5–6 hours.
  • Full cure — complete mineral cure of the system after approx. 28 days at 20 °C and 65 % RH.

Avoid application at temperatures below +10 °C or above +30 °C, in high humidity or on substrates affected by rising damp. Protect fresh exterior work from rain and strong sun during early curing.

Compatible substrates & maintenance

Suitable substrates include:

  • New gypsum plaster and skim‑coated plasterboard (fully cured and dry);
  • cementitious and lime plasters, mineral renders and concrete;
  • sound, well‑adhered existing coatings once cleaned, lightly abraded and primed.

Substrates must be structurally sound, free from dust, oil, contamination and efflorescence. Any movement, damp ingress or instability in the base should be resolved before the system is applied.

Cleaning is with a soft cloth and mild neutral detergent; avoid steam cleaners, abrasive pads and strong solvents. In high‑wear areas Finish V 18 should be specified to improve stain and mark resistance.

Health, safety & project resources

Meteore 10 Cemento and C100 OVER are water‑borne, low‑odour products. Use standard good practice for mineral decorative coatings:

  • Ensure good ventilation during application and initial drying.
  • Wear gloves, eye protection and suitable clothing; avoid contact with skin and eyes.
  • Store products in tightly closed original containers between +10 °C and +30 °C; protect from frost.
  • Do not discharge residues into drains or watercourses; dispose of waste according to local regulations.

For detailed safety information, refer to the relevant Safety Data Sheets supplied on request.

Links for designers, specifiers and applicators

Use these resources together when writing Meteore 10 Cemento into a specification or preparing a project.