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CERESIT BT 21
Sealing membrane
- Immediately resistant to water and rain
- Cold application
- Flexible and crack bridging
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DESCRIPTION
CERESIT® BT 21 is used for sealing vertical and horizontal surfaces of buildings, structural elements, and underground works, such as parking lots and subways.
It is suitable for waterproofing basement walls, garage roofs, balconies, terraces, wet rooms, and patios.
It is also used as a sealing compound against rising capillary moisture and as a vapor barrier in floor areas under screed.
CHARACTERISTICS
Self-adhesive membrane for reliable sealing of buildings at temperatures above 5 °C
PROPERTIES
- Immediately resistant to water and rain
- Cold application
- Flexible and crack bridging
- Usable in combination with the BT 26, even on wet surfaces
- Required quantity: 1.08 m²/m²