New solutions for installation in architectural concrete

For some years now, in particular, building construction has not got around architectural concrete. A challenge of this construction method: The electric installations have to be considered already when setting up the formwork. Boxes and empty conduits are embedded in such a way that they are positioned exactly on the right place later, being no longer visible.

In practice, special installation methods are used for this purpose now, for example, working with support spars. This technique, however, does not always lead to a satisfying result, because the surface is often damaged on the back side.

The new Spelsberg reinforcement box does without any facilities such as support spars, but is directly clamped into the reinforcement by means of a patented system instead and it is then fixed with tying wire. Grooves make sure that the box clicks into place within the reinforcement.

Placed within seconds

A completely newly developed spring system is the special feature of the Spelsberg solution. It provides for maximum flexibility without the risk that parts may break off and do not resist the pressure when pouring the concrete. The spring-mounted fixing wings can be comfortably turned to the side already when installed. In this way, every box is correctly placed and fixed within seconds. Like a shock absorber, the spring system adjusts varying concrete covers from 20 to 60 mm without any problems, ensuring a perfect contact pressure to the formwork at any time.

Combination cams are integrated in the new reinforcement box enabling multiple combinations; they provide for the exact spacing between the individual housings and maintain the same reliably during casting, without additional accessories.

At first, the 35 wall outlet box and the classical 60 mm box will be available on the market launch; they are supplied ready for installation.