Patent ID: 8733057
Filing Date: 2014-05-27
Classification: E04F

Abstract:
1. A basic insulation covering for arrangement in a horizontal direction between a subfloor and walkable floor coverings that can be laid thereover, comprising: at least two basic insulation covering elements, wherein each of the basic insulation covering elements has a plug-in connector at at least two sides connection with the other of the basic insulation covering elements, wherein a thickness of at least one of the at least two basic insulation covering elements ranges from 1 to 7 millimeters (mm), wherein the plug-in connector includes a plurality of lugs and receptacles alternatingly arranged along borders of said at least two sides, the lugs of one of the basic insulation covering elements being engageable in corresponding receptacles of the other basic insulation covering element, and wherein a surface of each of the plurality of lugs configured to engage with the corresponding receptacles comprises a first saw-tooth serration.