weber.cal 178
Product formerly named: maxit purcalc 300Mineral lime-based finishing plaster for smooth interior surfaces

Product features
- for manual application
- is mould-inhibiting
- is highly permeable to water vapour
- is moisture-regulating
- can be easily smoothed
- natural white
Product advantages
- for manual application
- mould-inhibiting
- can be easily smoothed
weber.cal 178 is a mineral lime-based finishing plaster for creating paint- and wallpaper-ready surfaces indoors. Suitable for use on lime underlay plasters weber.cal and underlay renders (base coat) weber.dur.
| Layer thickness | 1 - 2 mm |
| Class of capillary water absorption (DIN EN 998-1) | W0 |
| Reaction to fire [EN13501-1] | A1 |
| Strength class | CS I |
| Mortar Group (DIN 18550) | PI |
| Base color | Natural white |
| Composition | white hydrated lime, hydraulic lime, high-quality white fillers, air-entraining agent, cellulose |
| Water consumption (absolute) | 11 l/25 kg |
| Water vapour diffusion resistance coefficient µ | ≤ 25 |