weber.dur 121
Product formerly named: maxit ip 14 L
weber.dur 121
Mineral lime-cement render for facade socket parts on heat-insulating masonry
Product features
- weather- and frost-resistant
- water-repellent
- resistant to mechanical loads
Product advantages
- highly water-repellent
- highly impact-resistant
- low-tension when hardening
weber.dur 121 is used both outdoors and indoors on the socket parts of masonry, particularly on heat-insulating masonry (according to DIN 1053). Tiles can be applied on top of weber.dur 121.
| Grain sizes | approx. 1 mm |
| Layer thickness | 15 - 20 mm |
| Water demand | approx. 7,5 l/30 kg |
| Flexural strength (28 days) | ≥ 1,5 N/mm² |
| Solid mortar density | < 1.400 kg/m³ |
| Water vapour diffusion resistance [µ] | ≤ 20 |
| Dynamic modulus of elasticity | < 6.000 N/mm² |
| Class of capillary water absorption | W2 |
| Reaction to fire [EN13501-1] | A1 |
| Strength class | CS III |
| Mortar group (DIN 18550) | PII |
| Base color | natural grey |
| Application tool | render machine, smoothing trowel, notched trowel, broom, stainless steel plaster rabot (Rabo-Speed), sponge float |
| Composition | cement, white hydrated lime, graded mineral aggregates, additives for better workability and adhesion to substrate, hydrophobing agents |
| Water permeability rate w (DIN EN 1062-3) | < 0,5 kg/m²·√h |
