Cement-bound, low-emission, polymer-modified universal screed with good levelling quality, for filling and levelling substrates up to  10 mm thick before laying elastic and textile floor coverings, and multi-layered prefabricated parquet, together with Bakit EK neu or Bakit FPK.  Also suitable for asphalt screeds with a hardness class of IC 10, and suitable chip/OSB flooring panels up to 5 mm thick.

Servofix USP cannot be used as a subfloor.

The substrate must be tested and ready for laying pursuant to VOB, Part C, DIN 18 365, DIN 18 356 as well as the state-of-the-art. Prepare the substrate in accordance with the current BEB datasheet, “Assessment and Preparation of Substrates”, as well as datasheet TKB-8.

Depending on the type of substrate and its future intended use, pre-coat with Okamul HD 11, Okatmos® EG 20, Okatmos® DSG, Okapox GF or fast-acting Okamul PU-V, to ensure a system is safely built up.

Mix Servofix USP with clean water at a maximum speed of 600 rpm, using an electric mixer, until there are no clumps. Leave to stand for approx. 5 minutes and then mix again. Next, apply the screed with a trowel or a scraper. For greatly differing layer thicknesses, and asphalt, coat the screed with 1 kg Okamul 71 per 25 kg of powder, and reduce the amount of water used to the appropriate amount.

Further coats may need to be applied while wet, depending on the traffic requirements of the surface; otherwise, prime with Okamul HD 11 or Okatmos^® EG 20 in the ratio of 1:3 with water. Avoid direct sunlight and draughts during the drying period.

Lay some screed as a practice, in case of doubt.

approx. 1.5 kg/m² per mm of layer thickness

 

Clean tools and machines immediately with water.

The above data, particularly any recommendations for mixing and using our products, is based on our knowledge and experience. Due to different materials and working conditions which are beyond our control, we strongly recommend that you carry out enough tests in each case to ensure the suitability of our products for the intended processes and purposes. No liability can be assumed from this information or any verbal recommendation, except in the case of wilful intent or gross negligence on our part. All previous versions of this information are rendered invalid following the publication of this technical data sheet.