A connecting system for boards, and a connecting device and a support element for boards are disclosed. The connecting system includes the support element configured to support at least one board and the connecting device configured to releasably fasten the at least one board to the support element. The support element includes at least one lateral surface with at least one locking member arranged on the lateral surface. The connecting device includes at least one arm with a locking member configured for engagement with the locking member of the support element. At least one of the locking member of the support element and the locking member of the connecting device includes a plurality of protrusions forming a plurality of locking positions of the connecting device relative the support element.

The present disclosure relates to interior material attachment structure with wall attachment part bolt grooves, including: binding protrusions formed at the outermost part of the interior material attachment structure in order to attach the metal interior material; and connection part grooves formed adjacent to the binding protrusions in order to connect the plurality of interior material attachment structures to each other.

The present disclosure relates to interior material attachment structure with wall attachment part bolt grooves, including: binding protrusions formed at the outermost part of the interior material attachment structure in order to attach the metal interior material; and connection part grooves formed adjacent to the binding protrusions in order to connect the plurality of interior material attachment structures to each other.

A decking assembly comprising a first decking panel (202), a second decking panel (202) adjacent the first decking panel (202), a clip (100) comprising a base (102) and a retaining portion (104), wherein the retaining portion (104) cooperates with the first decking panel to affix the clip thereto, the base projects from the first decking panel to engage the second decking panel and, the base defines a fastener opening for receiving a fastener to secure the first and second decking panels to an underlying substrate.

A decking assembly comprising a first decking panel (202), a second decking panel (202) adjacent the first decking panel (202), a clip (100) comprising a base (102) and a retaining portion (104), wherein the retaining portion (104) cooperates with the first decking panel to affix the clip thereto, the base projects from the first decking panel to engage the second decking panel and, the base defines a fastener opening for receiving a fastener to secure the first and second decking panels to an underlying substrate.

Frame members for decks and decking systems comprising frame members. A perimeter frame member can include a first engagement member adjacent a first vertical end and a second engagement member adjacent a second vertical end. An inner frame member can include a first ridge adjacent a first vertical end and a second ridge adjacent a second vertical end.

Frame members for decks and decking systems comprising frame members. A perimeter frame member can include a first engagement member adjacent a first vertical end and a second engagement member adjacent a second vertical end. An inner frame member can include a first ridge adjacent a first vertical end and a second ridge adjacent a second vertical end.

A covering element for floors includes a tile made of ceramic material and a reinforcing element attached to the tile. The covering element has a lining along an edge of the tile.

A covering element for floors includes a tile made of ceramic material and a reinforcing element attached to the tile. The covering element has a lining along an edge of the tile.

The mobile foundation for tower cranes and fast-erecting cranes comprises at least two floor elements made from metal, which may be releasably connected to one another, in particular screwed to one another, wherein the floor elements have anchoring devices for a crane tower. Transportable, reusable ballast weights may be supported on at least one support surface of the foundation. There is provided a passage element having uprights and/or side walls, wherein the uprights or side walls, respectively, have a height of at least 2.1 m, preferably of at least 2.3 m, wherein the passage element may be releasably connected to the floor elements, in particular screwed thereto.