Sturotec tub support for LAUFEN PRO shower tray 100 x 100 x 3.3 cm STWLD015

suitable for: LAUFEN PRO shower tray 100 x 100 x 3.3 cm, Art. no. H2119520000001 surface ready for tiling installation on screed, unfinished and wooden floors possible sound insulation tested according to DIN 4109