Expansion shells are used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground. When installing expansion shells, please consult the separate installations instructions available on demand.
Double-wall dowel for attaching braces for precast concrete during construction. Made from high quality plastic. The double-wall dowel will be glued on the formwork. A screw with diameter 12x70mm is needed for fixation of the braces on the double-wall dowel.