Impact absorbing liner for avoiding violations on e.g. sports surfaces, has under layer formed from layer of planar parts, and covering layer for covering under layer without joints and composed of granules of elastic particles

The liner has an under layer (5) formed from a layer of planar parts e.g. plates and/or trajectories of a shock-absorbing material. A covering layer (11) covers the under layer without joints and is composed of granules of elastic particles. The material of the under layer consists of granules of elastic polymer whose pieces are glued with each other. The granule of the under layer is a foamed elastic polymer e.g. neoprene granule and foamed polyurethane granule. Joints (7) between the planar parts are covered with a tape i.e. fabric strip (9), to fix the planar parts against each other. An independent claim is also included for a method for construction of an impact absorbing liner.