Monta kit® professional 125 g. universal extra strength filler mounting adhesive, based on neoprene rubber. for the easy and solid fixing of, for example, wood, synthetics, metal, stone, plaster and tiles on various types of substrates such as concrete, stone, plaster, wood, chipboard, metal and synthetics. applicable both inside and outside and suitable for fixing materials under tension. permanently elastic. no nails or screws needed.