Screed replacement under pressure in FitX studio

Even before the opening of a new studio in Berlin, its operator, Essen-based FitX Deutschland GmbH, was confronted with a major problem: The screed of the approximately 500 m² free weights area on the ground floor had an average flexural strength of only 4 N/mm² instead of the required 7 N/mm². Immediate rehabilitation was necessary – with only a few weeks to go before the planned opening date in August. General contractor André Bahnsch, Managing Director of Bahnsch GmbH, commissioned Sandro Schröder's specialist screed-laying company in Pritzwalk to carry out the work – with an immediate start date. He in turn confidently presented the challenge to MC sales representative Steffen Suenboldt, who was quick to provide the advice and assistance that the screed-laying specialist required.
A screed for special tasks

Not only was the timeline in Berlin extremely tight, the specified F7 flexural strength (7 N/mm²) was also a difficult ask. Achieving such “bending tensile” strength values reliably often poses a problem for earth-moist screeds, due to the fact that compaction is inherently low. However, if the F7 target were to be missed a second time, it would have been a disaster – not least because the subsequent trades were by this time already behind schedule. The solution to the problem? Powerscreed rapid. This high-performance hardening accelerator for the production of screeds that allow early walk-on accessibility and overworking not only saves a great deal of water, it also considerably increases the material’s early and final strength values. Special microcrystals with a cement-like surface structure catalyse the hydration of the cement, accelerating the drying process. In addition, screeds with low w/c values can also be used to good effect.