Foamed plastic panel connecting means

A connecting means for connecting a pair of rigid foamed plastic panels, of a type not having rigid outer skins of a different material, in edge-to-edge relationship to partially form or line a cold storage room, the connecting means comprising an elongated metallic rear clamping strip of generally T-shaped cross section, an elongated metallic screw-receiving channel member of generally Y-shaped cross section with parallel free end portions on the branches of the Y-shape forming a screw-receiving channel, a plurality of glass fiber reinforced plastic strips spaced from each other, elongated in the same direction as the rear clamping strip and the channel member, and each riveted by a plurality of rivets spaced along opposite longitudinal edge portions respectively to trunk portions of the rear clamping strip and the channel member, an elongated metallic front clamping strip of generally double-trunked T-shaped cross section with a pair of parallel trunk portions straddling the channel member, and a plurality of screws spaced longitudinally of and extending through the front clamping strip between the pair of trunk portions into the screw-receiving channel member.