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BWC 55-740 with balcony box 55-4

BWC 55 740 m 55 4 komplett 2
BWC 55 740 m 55 4 komplett 3 m tekst
Memo 701a BWC 55 740 med 55 4 2
BWC 55 740 m 55 4 komplett 2
BWC 55 740 m 55 4 komplett 3 m tekst
Memo 701a BWC 55 740 med 55 4 2

BWC 55-740 is a very good alternative to traditional thermal bridge breakers, or directly cast-in steel profiles for supporting balconies with front columns or inclined struts.

The system consists of several parts:

Cut-out box in the deck: If you choose to use this, the cut-out box is molded into the slab, and must be anchored with the specified anchoring reinforcement.

Outer tube: Alternatively, this can be molded directly into the slab, or threaded into an already established recess box. This model is equipped with a clamping flange system against GU, which keeps the water on the outside. If you choose to cast the outer tube directly into the tyre, we recommend that it is taken with our rubber cuff (700x700 mm) which takes up any casting deviations, and is glued to the GU.

Inner tube: This is the part that connects the cover and the balcony element. This comes in several variants. It is most commonly combined with a cast-in balcony box (BWC 55-4), or it comes with a welded-on angle. If a balcony or corridor is to be cast in place, the inner pipe is extended, and it is reinforced directly on the inner pipe.

BWC 55-4: is the part that is cast into the element by the concrete element manufacturer. This has good tolerance both vertically and horizontally. It is equipped with a screw that has a height adjustment function and locks the element horizontally. It is also equipped with a filling tube, for casting after assembly.

All parts are made of steel S355, and hot-dip galvanized.

See more in Invisible Connections® Memo 701a side 3 og 4.

Product information
Max. shear force(kN)55 kN
Max. breaking load horizontal(kN)20 kN

BWC 55-740-1 outer tube
BWC 55-740 -2 inner tube
BWC 55-4
  • Balcony connection (shear) clamping flange Engineer

  • Balcony connection (shear) clamping flange installation

  • Balcony connection (shear) clamping flange production