Bauwer Lime
Bauwer Lime is a highly breathable ready to mix thermal insulation render for both internal & external use. It’s based on the naturally occurring volcanic glass perlite. The binding ingredient is lime, which has a bactericidal and fungicidal effect. It is designed as a cement free solution for the insulation of solid stone and brick walls of traditionally built breathable or vapour permeable homes.
Bauwer Lime is used for thermal insulation, sound-absorption & fire protection. Bauwer Lime is light weight and highly breathable, which prevents condensation as well as protects the walls from fungus and mould growth. Thanks to the open-pore structure circulation draws air through the plaster channels, cleaning it from biological contaminants.
Bauwer Lime insulation render is used for:
– External and internal thermal insulation of masonry walls;
– Dehumidification thanks to breathability;
– Thermal insulation of inner and outer slopes;
– Formation of a sound absorbing layer on wall structures.
Fire Classification: A1
Recommended layer thickness: 15 – 50 mm
Minimum layer thickness: 10mm
Porosity: 70%
Thermal conductivity coefficient: 0.074 W/m•K
Volumetric weight: 375 kg/m3
Package weight: ≈10.5 kg
Mortar yield: 25l bag 1m2 @ 25mm thickness
The mortar mixture is applied in several layers using standard plastering tools. The required thickness of each layer is ensured by the installation of guides on the Bauwer Lime mortar mixture (10, 11). The recommended application thickness in one pass is no more than 30 mm. After removing the
guides, the places where they were located need to be filled with the Bauwer Lime mortar mixture, after dusting off and moistening the grooves formed after the dismantling of the guides. If the consistency of the mixture changes during work with the material, it is sufficient to mix the mortar mixture again with an electric mixer without adding water.
It is possible to use plastering machines PFT G4, PFT G5, Kaleta 4, Kaleta 5 for mechanised application of Bauwer Lime. Water consumption for screw pumps with a productivity of 20-22 l/min (D5-1.5, D7-2.5) is 150-200 l/hour, while for 30-35 l/min (D7-1.5, D6-2.5) it is 300-350 l/hour. Water consumption should be determined experimentally directly at the construction site. It is important that before starting the plastering machine, the hose for supplying the mortar mixture is pre-moistened with water.
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