Steel frame for windows and doors
No improvisation with complicated wooden formwork required
Simple, stable and economical solution for window and door cut-outs
No additional effort by expanding the wooden formwork
No lost parts, suitable for multiple use with constant quality
Less construction waste
Can also be produced shrinkable on request for easier use
FLEX-tube and -box formwork
Regainable and reusable casing for multiple use
For round and rectangular casings
To produce inexpensive cut outs and break throughs in girders, walls and ceilings
Simple fixings with centric nut
Clean sealing and chamfered edge of concrete because of fixed three edge sealing rubber on both sides
Quick non-destructive removing
Simple cleaning because of removable sealing rubber
No parts remaining in the concrete – no danger of corrosion because of rust