Professional, single component, polyurethane adhesive, intended for gluing styrofoam panels as thermal insulation of exterior building walls, both new and thermo-renovated by the light-wet method in the GERDA thermoinsulation systems. This glue makes the work easier and faster, while the bonding force is stronger. The product is very effective and easy in application, facilitating the assembly of styrofoam panels and accelerating the pace of thermoinsulating works: already after 2 hours, the styrofoam panels can be polished and pinned. The product is characterised by high thermoinsulation and sound-proof properties. The adhesive is used for gluing styrofoam panels in GERDA thermoinsulation systems, styrofoam coffers, window sills, to compensate dilatation gaps in thermal insulation, to glue and insulate wall panels, corrugated sheets, roof tiles, etc. The GERDA polyurethane adhesive demonstrates outstanding adhesion to typical building materials, such as brick walls, hollow bricks, concrete, plasters, wood, metals, styrofoam, hard PVC and rigid PUR foams.