weber Understøp

weber Understøp is an expanding grout mortar with D max 2 mm. The mortar expands 0,5-1% in the plastic phase before setting and can be used both indoors and outdoors. The application areas are: Grouting of machines, rails, bridge foundations, prefabricated elements and other structures; Sealing/grouting of major cracks; Repair of damaged concrete using formwork; Anchoring/grouting of bolts and rails.