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.

HBB - Impact sound insulation box for acoustic decoupling of the landing

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

  • Excellent impact sound insulation values, tested according to DIN 7396
  • The requirements of superior acoustic comfort according to DIN 4109-5 are far exceeded
  • The highest requirements of the VDI or DEGA guidelines can be met
  • Dimensionally stable box with heavy-duty, non-reinforced elastomeric bearings for point connection
  • One size fits all landing heights
  • Variant for prefabricated elements without filler
  • Variant for cast-in-place concrete - with filler and adapted nails for fastening to the formwork
  • Type-test according to EC2 for more planning security.
  • Additional corbel dimensioning can therefore be omitted
  • HBB-Rebar-cage-VVH with optimized reinforcement arrangement and without additional on-site stirrups.
  • HBB-SET can be ordered with HBB-Box and HBB-Rebar- cage-VVH

Fields of application

Impact sound insulation
Impact sound insulation

HALFEN HTF Impact Sound Insulation elements

Acoustic decoupling of a precast staircase

HTF-T Impact sound insulation element for placing a precast stair flight on a corbel foreseen in a landing slab.​

HALFEN HTF-T impact sound insulation elements are suitable for supporting prefabricated stair flights on in-situ poured or precast landings. The load is transferred via profiled elastomeric bearings. The impact sound insulation being located between the landing and the flight of stairs.​

HTF-B Impact insulation element for acoustic decoupling between precast concrete stairs and the supporting slab.
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 impact sound insulation values, tested according to DIN 7396
  • The requirements of superior acoustic comfort according to DIN 4109-5 are far exceeded
  • The highest requirements of the VDI or DEGA guidelines can be met
  • Heavy-duty profiled, non-reinforced elastomeric bearings
  • Practical attachment to the stair by double-sided adhesive tapes
  • Adhesive tapes with protruding foil to allow its easy removal
  • Robust PE foam that can be cut to size
  • Three load capacity levels for reliable load transfer
  • Three standard lengths
  • Special lengths and cut to size possible
  • Light grey colored in order to match the prefabricated elements, eliminating the need of any additional finishing

Fields of application

Impact sound insulation

CRET-TS SET

Impact sound insulation dowel is positionned vertically in the joint between the bearing slab and the first step of the staircase, securing the staircase in the right position, while guaranteeing the impact sound insulation provided by the HTF-B impact sound insulation element.

Quality features:

HALFEN HTPL Impact sound insulation plate​

HTPL Impact sound insulation for lateral edge decoupling of a flight of stairs and a staircase wall.

Quality features:

  • Easy mounting on the stair flight by mean of double-sided adhesive tapes​
  • Robust PE foam that can be cut to size​
  • Two heights, suitable for landings and for stairs​
  • Light grey colored in order to match the prefabricated elements, eliminating the need of any additional finishing

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