HALFEN HTT impact sound insulation units are suitable for bearing in-situ concrete- and prefabricated staircases onto in-situ concrete staircase landings with prevalent stationary loads. The landings are monolithically connected with the building in this case. The impact sound insulation is implemented between landing and staircase.
Qualtiy features are:
Increased fire protection up to F120
Available in three different load levels
For staircases from 90 to 200 cm width