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2 in 1 – designed for fixing thermal insulation boards and for the reinforced layer (base coat) installation in the external thermal insulation of buildings.
Element of the thermal insulation systems – an element of composite thermal insulation systems, granted the European Technical Approval (ETA).
Enables fixing various expanded polystyrene boards – including graphite – enhanced, with addition of graphite and elasticized expanded polystyrene boards. The main characteristics • very high adhesiveness
• reinforced with microfibres
• resistant to cracks and scratches
• application in low temperatures (even from 0°C)
• also for graphite - enhanced EPS
• BBA Certificate
• NSAI Certificate
The main parameters • base coat bed thickness: 2 - 5 mm
• adhesion to expanded polystyrene: min. 0.1 MPa
• adhesion to concrete: min. 0.6 MPa
• consumption: boards application: from 4.0 to 5.0 kg/m²
• consumption: base coat application: from 3.0 to 3.5 kg/m²
Increased resistance to cracking – it is reinforced with cellulose fibres.
High flexibility – perfectly compensates thermal and mechanical stress exerted on other layers of the system.
High adhesion – strongly bonds to problematic substrates, such as surfaces with well-bonded paint coats.
Water vapour permeability – does not restrict water vapour transmission through the insulated wall.
AVAL KT 85 is manufactured as a dry mix of cement binder, aggregates and modifying agents, reinforced with cellulose fibres.
Bulk density (of dry mix)
ca. 1.27 kg/dm³
Wet density (after mixing)
ca. 1.39 kg/dm³
Dry density (after setting)
ca. 1.47 kg/dm³
Mixing proportions
water / dry mix
0.20 ÷ 0.22 l / 1 kg
5.00 ÷ 5.50 l / 25 kg
Min./max. bed thickness
2 mm / 5 mm
Adhesion to concrete
min. 0.6 MPa
Adhesion to expanded polystyrene
min. 0.1 MPa
Mortar preparation temperature, substrate
and ambient temperature during work
from 0°C to +25°C
Maturing time
ca. 5 minutes
Pot life
ca. 4 hours
Open time
min. 25 minutes
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