2.1. Non-recoverable casings for cut outs

csm_KoecherROBUSTA Sleeves
  • Non-recoverable formwork for economically creating recesses for sleeve and block foundations – supplied ready to install
  • With a trapezoid profile t = 2 cm for the safe static transmission of punching shear forces by means of a shear interlocking system with block foundations
  • With a corrugated profile for joints with sleeve foundations
  • Dimensions from 200 x 200 mm up to 1,500 x 1,500 mm side lengths; all measurements in between are manufactured to order
  • Can be supplied with a spot-welded sheet metal base
  • Space-saving and inexpensive to transport as the sleeve is foldable
  • Special versions for anchor bars etc. on request
  • Also suitable as a large floor opening (F90 standard)

 
ROBUSTA L-Shaped Formwork Box
  • Non-recoverable formwork for creating floor openings economically
  • Can be mounted and fixed to the formwork in less than a minute!
  • No troublesome measuring and cutting wooden shuttering panels
  • Galvanised sheet metal; the formwork box remains in the concrete; no formwork stripping necessary!
  • No wood waste any more; no more expensive disposal!
  • The trapezoidal profile guarantees secure bonding with the mortar – no need for time-consuming reinforcement connections!
  • Space-saving transport and storage thanks to L brackets set into each other
  • Special versions for specific individual dimensions can be delivered rapidly
  • Fire safety assessment for F90 available
 

ROBUSTA Recess Tubes
  • Non-recoverable formwork for inexpensively creating recesses and openings for supply lines in beams and floors
  • Standard dimensions of the round tubes: Ø 40 mm up to 1,000 mm; quadratic tubing 58 x 58 mm up to 200 x 200 mm
  • Supply length 5 m (stock length) and in specific lengths according to customer request sawed ready to install – also with angled cuts if needed
  • Any transportable length available on request
  • Round tubes with profiles both on the inside and out, giving a perfect shearing bond and great mechanical strength against concrete pressure
  • Low weight and easy handling
  • Fasteners for steel and wooden formwork can be supplied
  • Also for mast foundations and anchoring machines (excluding quadratic and square tubes)
 
ROBUSTA Flex Formwork Tube and Box
  • Recoverable and reusable formwork for a high number of repeat uses
  • Both round and rectangular shapes can be produced
  • Simple, inexpensive method for creating recesses and openings in beams, walls and floors
  • Simple fixing by means of a centric anchor bar
  • Clean sealing and bevelled concrete edge thanks to triangular rubber lip seals applied to both sides
  • Rapid, non-destructive dismantling
No parts remain in the concrete; no danger of corrosion through rust

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internal cut out casing with trapezoidal profile
internal cut out casing , mounted ready to install
internal cut out casing L / B / H:
internal cut out casing with trapezoidal profile, not mounted
internal cut out casing
internal cut out casing with wave profile, blank, mounted ready to install
L-form casing, two-part, galvanized
L-form casing, two-part, galvanized internal measurements:
Available variants
nailing attachment for L-form casing
nailing attachment for L-form casing 4 pieces per casing necessary
round tubes for cut outs Ø 70
round tubes for cut outs S 235 JR DN 70/77
Available variants
plastic closing cover with flange tube Ø 50
plastic closing cover with flange yellow, for fixing round tubes tube diameter 50 mm
Available variants
plastic closing cover without flange tube Ø 150
plastic closing cover without flange white, for fixing round tubes tube diameter 150 mm
Available variants
plastic closing cover without flange tube Ø 50
plastic closing cover without flange white, for fixing round tubes tube diameter 50 mm
Available variants
rubber spanner tube Ø 60
rubber spanner for fixing round tubes to steel formwork tube diameter 60 mm
Available variants
tube for cut outs, quadratic 70 x 70 mm
tube for cut outs, quadratic S 235 JR 70 x 70 mm mm
Available variants
tube for cut outs, rectangle 57 x 28 mm
tube for cut outs, rectangle S 235 JR 57 x 28 mm
Available variants
Installation-kit ST for round tubes 50 mm
Installation-kit ST for round tubes 50 mm
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