(57) The invention relates to a sealing device in connection with sandwich elements (1a-3a),
said elements including a core segment (10, 10') of thermal insulation material and
surface panels (11a-12b) covering it on both sides, said building elements being intended
for attachment to each other with a tongue-and-groove joint for a row of successive
elements and for setting said rows adjacent to each other, such that the rows develop
between themselves a junction (5) along a section between short straight face-to-face
sides (16) of the adjacent elements. A sealing device (20) is intended for sealing
said junction and includes an elongated molding body (21), which is adapted for installation
inside the junction (5) while extending lengthwise of the junction, gripping members
(22a, 22b) provided resiliently on the body, which members, in the process of installing
the body (21) inside the junction (5), set with a snap fit underneath the elements'
(11a, 11b) surface panels clamping the molding body fixedly within the junction, and
a sealing lath (23) provided on a top edge of the molding body, which lath extends
lengthwise of the molding body and has a width exceeding that of the junction, such
that the sealing lath sets by its edges (24a, 24b) in a sealing manner against the
surface panels (11a, 11b) of building elements present on either side of the junction.
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