weber.mix 621

Water demand:

57% - 63% depending on production site

approx. 10.5 liters / 17.5 kg

Storage:

The product can be stored up to 12 months in its original unopened packaging, if kept dry and protected from moisture.

Fields of application

weber.mix 621 is used as insulating masonry mortar LM 21 in combination with highly insulating bricks to create monolithic masonries with the best possible insulating properties. Also suitable for laying lightweight hollow bricks (for ex. Poroton, Unipor, Thermopor) and lightweight masonry stones (for ex. pumice, expanded clay, lightweight aerated concrete).

Main features

• high yield
• easy application
• highly heat-insulating

General information

• The evenness of the substrate must comply with the allowed tolerances (variations) defined by the national standards and/or guidelines (for ex. DIN 1053 “Masonry”). If necessary, take the appropriate remedial measures for levelling unsuitable substrates; if in doubt, request technical advice.
• Temperature of air, materials and substrate during application and drying: ≥ +5 °C - ≤ +30 °C
• Do not add any foreign substances during mixing and application.