GREEN BUILDING AND RESTORATION

OPUS SIGNINUM

OPUS SIGNINUM

Malta

OPUS SIGNINUM is a biocompatible mortar, to be prepared on site, free of cement or compounds belonging to the clinker group, consisting of opus signinum obtained from the crushing of low temperature cooked clay (solid bricks, tiles) with continuous grain size curve from 0 to 4 mm OPUS SIGNINUM 0-4 TCS and ST-ASTIER Pure Natural Hydraulic Lime of NHL 3.5 according to the standard UNI EN 459-1 white, produced by baking at temperatures below 1250°C of siliceous limestone and reduced in powder by the calcium oxide only, without the addition of pozzolanic materials or hydraulic binders any kind.

Product features

OPUS SIGNINUM It is a Dehumidifying plaster, to be prepared on site, biocompatible, free of salts, chemicals and volatile organic compounds (VOC). These features, combined with the total mineral nature of the components, guarantee the purity, non-toxicity, non-harmfulness and the total recyclability of the product in full respect for man and the environment. Selected aggregates and pure hydraulic lime NHL 3.5, have a natural porous structure. This structure gives the material a strong capability of dehumidification and breathability, facilitating the necessary exchange of vapour between the inner and outer surface. The OPUS SIGNINUM features allow, with the laying of a single product, to fulfil the classic protective plaster functions as well as aesthetic finishes.

DEHUMIDIFYING
DISINFECTANT
SLAG FREE
CHROMIUM-FREE
NHL 3.5
RADON FREE
RESTORATION
BREATHABLE
RESISTANT
CEMENT FREE
VERSATILE
RECYCLABLE
HEALTHY
ANTIBACTERIAL
ANTI-CONDENSING
QUICK
REVERSIBLE
EASY

Main features

  • TYPE OF PRODUCT (UNI-EN 998-1: 2010): Mortar for general purposes (GP) UNI EN 998:1 2010 for internal and external use
  • GRAIN SIZE CURVE: 0 to 4 mm
  • MIXTURE pH> 12,5
  • FRESH MORTAR APPARENT DENSITY: about 1.900 kg/m³
  • DRIED MORTAR APPARENT DENSITY:kg / m³ about 1.650
  • COMPRESSIVE STRENGTH (EN 1015-11): CS II category
  • WATER VAPOUR DIFFUSION RESISTANCE COEFFICIENT (EN 1015-19): ?
  • WATER ABSORPTION FOR CAPILLARITY:W0
  • THERMAL CONDUCTIVITY:0.76 W/mK (tabulated value)
  • FIRE REACTION (EN 13501-1): class A1
  • MIXTURE WATER: 5-7 l per bag of Natural Hydraulic Lime NHL 3.5
  • COVERAGE: 14 Kg/m² for 1 cm thick (kg 2.35 of lime NHL 3.5+kg 11.65 of opus signinum equal to 1 sack of lime for 5 bags of opus signinum)
  • PACKAGE: 25 kg bags
  • PALLET: 56 bags kg 1400
  • STORAGE: keep in dry place for 18-24 months in original package
  • APPLICATION TEMPERATURE: from +5°C to 32°C
  • REACH CLASSIFICATION: See SDS

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