A retention clip (40) for use with a panel system (55) has a base plate (41) having a pair of opposing flanges (42 43) at least one of which is configured for attaching to a support structure (44). An upright (50) extends between the base plate and a top plate (46) having a pair of opposing flanges (47 48) and defin...

An assembly (14, 16) for securing two juxtaposed panels (64, 66) to a structure (74), each panel including a joining flange (68, 70) located at, or adjacent to, respective juxtaposed edges thereof. The assembly includes a retaining member (14) having a substantially planar surface (24) supporting at opposite edges t...

A truss system for roofing a building; a truss of said truss system including at least one truss segment; each said truss segment comprising a first elongate element and a second elongate element; said first and second elongate elements interconnected at intervals by a series of fish plate assemblies; said fish plat...

An assembly (10) secures to a structure (80) a panel or two juxtaposed panels (11 12) each having a joining flange (15) in association with an edge thereof defining a longitudinal axis of the panel. The joining flanges are fastened by at least one securing element (16) that may include or have associated therewith a...

A panel unit (2) for constructional purposes has at least two joining flanges (10, 12) on opposite surfaces (4, 4") located at, or adjacent to, a common edge of the panel unit, and projecting in mutually opposite directions. Two such panel units (2) may be juxtaposed end to end and secured by a two-part connector (1...

The invention provides a panel of controllable radiation transmissivity, including a plurality of tubular cells, in at least some of which cells is rotatably mounted at least one radiation-blocking member, at least one portion of at least one surface of which is substantially opaque, and means for rotating t...

An industrial roof panel (65) has a projection (71) and a complementary wing (78) at opposite sides (73, 77). The projection has a recess (75) configured for clamping the panel to a second neighboring panel (63) using a fastener (96), such that the panel is supported by the second neighboring panel for reduced buckl...