Fibre-reinforced Fassa KI7 is used as a foundation plaster on bricks and honeycombed bricks, concrete blocks, rough concrete, expanded clay etc. For special underlays you need to follow the instructions of the supplier. Fibre-reinforced KI7 is the ideal external foundation for mineral-based wall coverings and for IP 10 finishing plaster available in 1 mm gradings.
The advantages of greater water resistance for render:
Longer durability of the plaster
Dry walls and consequently better heat insulation
Greater dimensional stability and consequently lesser tendency for cracks to form
Less rising damp due to capillary action.