Technical Data Sheet ElastoSeal Geomembrane2022/01 Technical Data Sheet ElastoSeal Geomembrane - Prefab2022/01 Declaration of Performance /DoP - CE ElastoSeal - EN 13361, 13362, 13491, 13492, 15382 2020/02/24 Declaration of Performance /DoP - UKCA ElastoSeal - EN 13361, 13362, 13491, 13492, 15382 2022/11/28