• Ecologically friendly
  • Minimal shrinkage
  • Possibility of pouring machine
  • Temperature of work 0°C
  • Heat and sound insulation

Technical data

Thickness of layer 3-100 mm
Mixture ratio (machine applying) approx. 0,23 l per kg of mixture
Mixture ratio (manual applying) 0,2-0,21 l per kg of mixture
Adjustment time not less than 30 min
Ready to technical passage after 7 hours
Compressive strength after 3/28 days not less than 7/25 MPa
Tensile strength after 28 days not less than 4 MPa
Adhesion to substrate not less than 1 MPa
Surface temperature from +5°С to +30°С
Exploitation temperature from -30°С to +80°С
Self-leveling screed ANSERGLOB LFS 73 is used for basic laying and leveling of rigid mineral beds such as concrete (after 3 month, humidity not more 4 %), cement-sand screeds (after 28 days humidity not more 4 %) anhydrite beds in commercial and civil buildings which are not affected by intensive moisture. Cured screed can be used under various coatings, such as linoleum, carpet, laminate, parquet, ceramic tiles, natural stone and others. The screed ANSERGLOB LFS 73 is used for connective, separating, "floating" layers of undercoats or floor heating systems. Self-leveling screed ANSERGLOB LFS 73 is suitable for machine applying.
The surface preparation is realized according to State Standard of Ukraine (DSTU N B A.3.1-23:2013) and State Building Codes of Ukraine (SNiP 2.03.13-88 and DSTU N B A.2.6-212:2016). Surface must be structurally sound, clean, dry and free from dust, grease, dirt, lime, wax, oil or emulsion paints. Before applying screed fragile areas of substrate must be thoroughly removed. Cement surface is cleaned up from laitance by wire brush or sandblaster. Thus, it allows to increase adhesion of smooth surfaces. Cracks in the beds must be expanded and treated by one of deep penetrating emulsions ANSERGLOB and filled with ANSERGLOB LFS 70 or ANSERGLOB LFS 73. Before applying substrates with strong sorption must be treated by one of deeply penetrating emulsions ANSERGLOB and exposed for 4 hours. Before applying substrates with low sorption must be treated by ANSERGLOB EG 62 and exposed from 3 to 6 hours. It is obligatory to separate floor from contact with the bearing and enclosing structures using elastic sub layer (foamed polyethylene, thin foamed polystyrene). In the case when monolithic floor will be affected by moisture from the bottom, it is required to use separating waterproofing layer over the whole area of application, while the minimum thickness of topping by ANSERGLOB LFS 73 is 35 mm.
In case of machine application mortar is fed by mixing aggregate (plastering station or mortar pump). In case of manual application prepared screed mortar is poured on bed and spread on the surface with feather edge, wide spatula or other tool. For removal air bubbles from the mortar it is required to provide deaeration using rigid spiked roller. When laying ‘floating’ floor thickness is 40 mm as minimum. All works on the preparation, spreading and smoothing of each portion of mortar should be carried out for 30 min. At breaks in work more than 30 min tools and equipment must be cleaned from mortar and washed with water. Cured mortar can be removed only in mechanical way. When applying mortar and during curing to prevent cracking it is required to avoid of draught and fast drying of screed. Depending on the curing conditions, application thickness and residual moisture of bed (not more than 1%) further work should be done not less than after 3 days for the installation of ceramic and stone tile and 7 days for laying parquet, linoleum and carpet. Before overcoating surface must be sanded.

Note: Strength of bed must be not less than M 150. Application should be complied at temperature above +5°С and below +30°С. All the mentioned recommendations are effective at temperature of +20°С and air humidity of 60%. Under the other conditions crusting, stiffening and curing time may be changed.

Average consumption of the mixture is 1,6 kg per m2 at 1 mm layer thickness.
In case of machine application dry mortar is mixed in the plastering machine at water consumption 0,23 l per 1 kg of mixture. In case of manual application dry mixture must be poured into container with clear water according to ratio 0,2-0,21 liters of water per 1 kg of mixture (4,6-4,8 liters of water per 1 bag of 23 kg) when at the same time manually or mechanically mixing (by the drill on low revs) to obtain the kindred and elastic mass with required consistency. After exposing 5 min grouting mixture must be mixed again. Obtained mortar must be used during 30 min. Excess quantity of water leads to reducing quality, decreases strength and can lead to delaminating that is unacceptable.

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