Connecting/sealing extrusion for edge of sandwich panel used for wall facings or partitions has joint surface with tongue, groove and seals

摘要

The extrusion (100) has a flat face (106) which is joined to the edge of a panel, upper and lower surfaces (108, 110) lying parallel to the panel's main faces, and a joint surface with a tongue (102), groove (104) and seals (118, 146). The joint surface is designed to engage with a matching and opposite surface on an adjacent panel, and the tongue is shaped to form a drainage channel (156).