weber.therm 301
Product formerly named: maxit multi 285Mineral bonding and reinforcing mortar within ETICS weber.therm A 200, B 100 and AK 500/BK 500, renovation mortar for old load-bearing renders

Product features
- high bonding strength and excellent workability properties
- best suited for mechanical application and is also available in silo
- provides a high-performance reinforcement layer in combination with weber.therm reinforcement fabrics
- also for use on old load-bearing renders
Product advantages
- easy and safe application
- thick/medium-layer, stable reinforcement layer
- high bonding strength
weber.therm 301 is used as a thick-layer, mineral bonding and reinforcing mortar within the ETICS (external thermal composite systems) weber.therm A 200, B 100 and AK 500/BK 500 and weber.therm Vakuum Innendämmsystem. Also as renovation mortar for old load-bearing renders.
| Layer thickness | 4 - 7 mm |
| Water demand | approx. 7,5 l/30 kg |
| Water vapour diffusion resistance [µ] | ≤ 25 |
| Class of capillary water absorption | W2 |
| Tensile adhesion strength | > 0,3 N/mm² |
| Strength class | CS IV |
| Reaction to fire [EN13501-1] | A1 |
| Base color | natural grey |
| Composition | cement, graded mineral aggregates, fibers, hydrophobing agents, additives for better workability and adhesion to the base coat |
| Water absorption coefficient w (DIN 18550) | < 0,5 kg/m²·√h |
| Temperature of air, materials and substrate during application | not below +5 °C |
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