HALFEN Impact Sound Insulation

  • Application for the entire staircase with straight precast stairs and in-situ poured concrete or precast landings​
  • Excellent impact sound insulation values, tested according to DIN 7396​
  • Made of robust materials and in concrete color for easy processing of the finishing work
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HALFEN Impact Sound Insulation Products

Impact sound is an undesirable and specific type of sound transmission. Especially in staircases of apartment buildings, inadequate impact sound protection can lead to annoying disturbances. To solve this problem, monolithic stair elements can be acoustically separated from adjacent building components with the HALFEN sound insulation system. HALFEN impact sound insulation products are perfectly qualified to meet the requirements for impact sound reduction.

HALFEN HBB Impact sound insulation box

The HBB HALFEN bi-Trapez-Box is used as a point-load support for staircase landing slabs. The load transmission is via elastomer supports. The landing-slabs are monolithically connected with the building in this case. The impact sound insulation is placed between the landing-slab and the staircase. The units can be used both with cast on-site concrete or precast elements together with concrete or masonry walls.

Quality features are

  • high-quality bi-trapezoidal-bearings with general constructional authority approval
  • flexibly planning with three landing-slab heights (d = 16/18/20 cm)
  • safety in planning with Type-test approval for installed support elements
  • excellent sound insulating properties for a wide range of support loads
  • simple and quick installation improves build-time

Fields of application

Impact sound insulation
Impact sound insulation

HALFEN HTF Impact Sound Insulation elements

HALFEN HTF Impact Sound Insulation units have been developed for supporting prefabricated staircases on in-situ prepared bearings of staircase landings. The load transmission is done via elastomer bearings. The landings are monolithically connected with the building in this case. The impact sound insulation is implemented between landing and staircase.

Quality features are

  • Excellent sound insulating properties in a wide range of bearing pressures
  • General constructional authority approval for the bearings
  • For staircases from 100 to 120 cm width, broadness adaptable arbitrarily through insulation and landing strips

Fields of application

Impact sound insulation

HALFEN HTT Impact Sound Insulation

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 R120 (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