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GRAWIS U - 2 in 1 – designed for fixing thermal insulation boards and for the reinforced layer (base coat) installation in the external thermal insulation of buildings. Enables fixing expanded polystyrene boards – including boards with the addition of graphite and elasticized and also reinforced layer in the technology of building insulation.
The main characteristics
- for EPS application and for mesh embedding
- recommended height up to 12 m
- high adhesion to the substrate
Properties
Optimally balanced formula - provides adequate adhesion for polystyrene and allows easy implementation reinforcing layer.
High adhesion - adheres strongly to mineral surfaces and for polystyrene, allows you to glue insulation boards up to 25 cm thick.
High viscosity - the adhesive does not slide out of the trowel and the board surface.
High plasticity - when applied to a substrate and perform layer reinforcing the adhesive does not rolled, does not break up, not stretches, etc.
Longer duration of readiness to work - reducing the need for additional mixing unused glue.
Longer duration of correction - allows correct positioning boards.
Flexible – compensates thermal and mechanical stress exerted on other layers of the system.
Water vapour permeability – does not restrict water vapour transmission through the insulated wall.
Technical data
ATLAS GRAWIS U is manufactured as a dry mix of cement binder, aggregates and modifying agents of the highest quality.
| Bulk density (of dry mix) | ca. 1,30 kg/dm3 |
| Wet density (after mixing) | ca. 1,40 kg/dm3 |
| Dry density (after setting) | ca. 1,47 kg/dm3 |
| Mixing proportions (water/dry mix) |
ca. 0,22 l / 1 kg |
| ca. 5,5 l / 25 kg | |
| Min./max. bed thickness | 2 mm/5 mm |
| Adhesion to concrete | min. 0.3 MPa |
| Adhesion to expanded polystyrene | min. 0.1 MPa |
| Mortar preparation temperature, substrate and ambient temperature |
from +5°C to +25°C |
| Maturing time | ca. 5 minutes |
| Pot life | ca. 4 hours |
| Open time | min. 25 minutes |
Consumption
Individual consumption of the adhesive depends on the properties of the substrate (e.g. evenness) and the technique of boards/panels application.
Boards application: from 4.0 to 5.0 kg/m2.
Base coat application: from 3.0 to 3.5 kg/m2.
Packaging
Paper bags: 25 kg
Pallet: 1200 kg in 25 kg bags
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