KOMBI MTL – Light mineral levelling coat/dry mortar

Reference documents

KOMBI MTL - TDS

Related technologies

Undercoat powders

Dry mineral mortar based on hydraulic binders and selected aggregates (including light aggregates) intended for the manual or machine application of top coats outside and inside buildings. It is especially recommended for applying on walls made of porous materials (such as cellular concrete) and absorbent ones (such as silicate brick) and intended for EWI systems, thin coat renders or paint coatings. It may be applied on all typical mineral substrates such as, e.g. concrete, light weight concrete, expanded clay aggregate, ceramic brick and silicate brick as well as porous ceramics. It is characterized by very good plasticity and processability, accordingly it is easy to process.

• High adhesion to substrates with high water absorption and to porous substrates
• Easy to process
• Reduction of substrate surface absorption
• Prolonged processing time
• Reinforced with microfiber
• Very good plasticity and processability

Base binder: hydraulic binders and modifying agents, includes cellulose fibers;
Grain size: to 0.8 mm;
Colour: natural white
Mixing ratio: 5,0÷5,5 liters of water per 25 kg of mortar;
Usage: after adding an appropriate amount of water it is possible to obtain around 19 liters of ready-to-use mortar from one packaging of the product;
Application time after adding water: not more than 2 hours;
Consumption: ca. 15 kg/m² per each 10 mm of the layer thickness;
Temperature of application (air and substrate): from +5°C to +25°C;
Compressive strength: cat. CS II;
Top coat mortar type accorning PN-EN 998-1: LW (light);
Gross bulk dry density: ≤ 1300 kg/m3;
Water absorption due to capillary rise: cat W0;
Adhesion: ≥ 0.5 N/mm2;
Water vapour permeability coefficient μ: ≤11;
Heat conductivity coefficient:
• λ dry, 10 = 0.33 (W/m*K) for P=50%
• λ dry, 10 = 0.49 (W/m*K) for P=90%
Reaction to fire: class A1;
Packaging: Disposable paper packaging containing 25 kg of product.
Storage: The product should be stored in its original sealed packaging, in a dry frost-protected room, on pallets.
Note: The product must be kept out of the reach of children.
Shelf life: 12 months from manufacture date specified on the packaging,
provided that the storage requirements are observed.