HTT Impact Sound Insulation
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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 HTT Elements are for shear and horizontal loads.




Quality features are:

  • - reliability of planning due to a type testing
  • - increased fire protection up to F120
  • - flexibility in all applications - available in three different load levels
  • - for staircases from 90 to 200 cm width
  • - perforation allows flexible cutting of the elements
  • - standardised filler elements allow simple element extension