CENTROSTORICO MASSETTO LEGGERO NHL

Massetto Leggero NHL is the NHL 3.‎5 natural hydraulic lime-based screed for creating finishing layers indoors and outdoors.‎ Massetto Leggero NHL is made with NHL 3.‎5 natural hydraulic lime and LecaPiù expanded clay and is therefore ideal for environmentally friendly work on buildings of historical and artistic interest.‎ Massetto Leggero NHL is light (approx.‎ 1300 kg/m³) and ensures reduced permanent loads even in thicker single-layer substrates, and the mechanical performance of the lightweight screed allows for safe and direct laying of the flooring.‎ The thermal conductivity coefficient (λ =0.‎37 W/mK) makes a positive contribution to the thermal insulation of horizontal inter-floor partitions.‎ ADVANTAGES Natural and compatible Packed with NHL 3.‎5 natural lime and LecaPiù expanded clay: the ultimate in naturalness and sustainability.‎ It is ideal for environmentally friendly interventions on buildings of historical and artistic interest.‎ Lightweight Only 1300 kg/m3 when laid, it ensures low permanent loads even in thicker single-layer substrates.‎ Direct floor laying The mechanical performance and specific formulation allow safe, direct laying of the floor.‎ Thermal insulation The thermal conductivity coefficient (λ 0.‎37 W/mK) is about a quarter of that of traditional sand and cement, improving the thermal performance of the horizontal partition.‎ Pumpable It can be pumped with standard pneumatic pumps used for sub-bases.‎ Manoeuvrable and versatile Pre-pumped, just add water: the small bag, 16 L or approx.‎ 19 kg, ensures practical handling even on the most difficult building sites.‎ Suitable for indoor and outdoor use.‎ FIELDS OF APPLICATION Natural product based on pure NHL hydraulic lime, particularly suitable for interventions on buildings of historical and artistic interest as well as for environmentally friendly interventions in Biobuilding.‎ Lightweight finishing screeds, for interior and exterior use, given to the direct laying of all types of flooring.‎ Screed for two-layer subfloors, particularly suitable in combination with Sottofondo CentroStorico NHL.‎ Lightweight single-layer subfloors, also thick.‎ Floating screeds on impact sound insulation systems.‎