FILLING OF CAVITIES IN ROAD CONSTRUCTION AND REPAIR

摘要

Disclosed is the use of a polyurethane (PU) foam composition for the filling of cavities in road construction and/or in road repair, whereby the foam substantially collapses after expansion. Further provided is a method for filling and/or patching a cavity in a road surface top layer, and a kit of parts comprising an amount of granulate filler material and a pressure container containing a PU foam composition.