A system for mounting an anchor bolt to formwork or other structures associated with concrete construction includes a main body and latch coupled to the main body. The anchor bolt can pass through the main body and the latch can be moved so that threads formed in the latch engage threads formed in the anchor bolt to secure the anchor bolt in position as concrete is poured around the anchor bolt. The main body and the latch can have through holes for receiving a nail to lock the position of the latch with respect to the main body.

A rod supporting device is provided and comprises a body or sheet (12) extended in length and at least two supporting components (14, 15) located along the length of the sheet and arranged to project, in use, in a direction orthogonal to the length of the body. The device further comprises at least one fixing component (16) located along the length of the sheet and arranged to project, in use, in a direction orthogonal to the length of the sheet. The at least two supporting components (14, 15) are configured for supporting, in use, a rod for fencings and the at least one fixing component (16) is configured to be fixed to a formwork and limit the height of the rod as to the formwork. A method for manufacturing the rod supporting device (10) is provided.

A concrete dowel placement system and methods for making the same. The system allows for accurate and easy substantially-parallel or parallel placement of slip dowels within sections of concrete so that adjacent sections of concrete may be allowed to undergo thermal expansion and contraction while remaining in a common plane without cracking or faulting. The system includes a coupler and a sheath. The sheath is configured to be slidably extensible over the coupler and may be held to the coupler by friction. An outer surface of the sheath may be textured. Additionally, a method of constructing the concrete dowel placement system includes extruding material to form two tubes of different sizes. The tubes are then attached to each other, then material is extruded or injection molded to form a sheath. Alternatively, construction may include extruding material to form a tube, then removing some of the material from the tube in order to form a coupler.

An assembly creates annular voids in concrete around the distal end of cylindrical tubes. A cap has a flat top and a cylindrical, depending skirt. An annular, foam plug extends between the inside of the skirt and the outer diameter of the tube. The plug has an undeformed inner diameter smaller than an outer diameter of the tube to create an interference fit around the tube and keep concrete out when the cap is on the end of the tube. The plug has a radial thickness of 0.3 to 1 inch, and has an axial length of 1 to 3 inches, with a bottom of the plug located at a bottom of the skirt. The cap is glued to the end of the tube for pressure testing. After the tube is entrained in concrete, the cap and plug are removed to leave a void in the concrete surface.

A flooring system has at least one girder, a first joist coupled to a first side of the girder, and a second joist coupled to a second side of the girder. The flooring system further comprises a joist tightening system that has a first end coupled to the first joist and a second end coupled to the second joist, the joist tightening system pulls the first joist and the second joist toward the girder thereby tightening the first joist and the second joist.

A system includes an anchor body, having a head and a hollow chamber shaft coupled to the head. The system includes a housing component configured to support the anchor body. The system also includes one or more fasteners supported by the housing component. At least one of the fasteners is coupled to the head of the anchor body, and an apex of each fastener is positioned to be above the head of the anchor body.

A panel attachment structure including a panel assembly having a channel member including a channel therein. The panel assembly further includes at least one reinforcing member directly or indirectly coupled to the channel member, and an insert assembly including an insert portion. The insert portion is configured to be closely slidably received in the channel member in an insertion direction, and the insert assembly is configured to be coupled to an underlying support structure.

A concrete anchor assembly includes an anchor body including a rod portion and a head portion; the head portion extending laterally from said rod portion, the head portion including a threaded bore; and the rod portion including an internally threaded bore, the rod portion including an outside thread.

The present disclosure provides a template assembly for locating and retaining a plurality of anchor bolts within a form during a concrete pour. The template assembly includes a rigid metal frame and plurality of anchor bolt retainers affixed to the frame, wherein each anchor bolt includes an anchor bolt engaging surface for locating an associated anchor bolt within predetermined tolerances. The frame can be further configured to provide access to at least 75% of the surface of the pour thereby allowing for finishing of the concrete at an optimal time. A plurality of legs can be connected to the frame for adjusting an elevation of the frame.

A concrete dowel placement system and methods for making the same. The system allows for accurate and easy substantially-parallel or parallel placement of slip dowels within sections of concrete so that adjacent sections of concrete may be allowed to undergo thermal expansion and contraction while remaining in a common plane without cracking or faulting. The system includes a coupler and a sheath. The sheath is configured to be slidably extensible over the coupler and may be held to the coupler by friction. An outer surface of the sheath may be textured. Additionally, a method of constructing the concrete dowel placement system includes extruding material to form two tubes of different sizes. The tubes are then attached to each other, then material is extruded or injection molded to form a sheath. Alternatively, construction may include extruding material to form a tube, then removing some of the material from the tube in order to form a coupler.