An adhesive composition for adhesively bonding floor coverings to a variety of substrates. The composition includes 0.2 to 10 weight percent of a plurality of irregularly shaped spacer particles of size 0.5 mm to 10 mm; 10 to 50 weight percent of a moisture curable polymer system; and 40 to 90 weight percent of additives for modifying physical properties of the composition. The adhesive has a composition such that, when cured, results in an elastomeric film of uniform thickness that exhibits controlled moisture vapor transmission and sound abatement properties. A floor structure and a method for constructing the floor structure using the adhesive composition are also provided.

A device for leveling and aligning tiles and method for leveling and aligning tiles are disclosed. In one embodiment, the leveling device includes a body and two spaced and parallel strip members extending transversely from the body. Each of the spaced and parallel strip members extend to the front and rear of the body. Two opposing lateral open windows are formed in the body. A breakaway section is defined along the body. A wedge device is provided for penetrating one or more of the two opposing lateral open windows and exerting a force on the tiles for leveling them relative to each other.

A device for leveling and aligning tiles and method for leveling and aligning tiles are disclosed. In one embodiment, the leveling device includes a body and two spaced and parallel strip members extending transversely from the body. Each of the spaced and parallel strip members extend to the front and rear of the body. Two opposing lateral open windows are formed in the body. A breakaway section is defined along the body. A wedge device is provided for penetrating one or more of the two opposing lateral open windows and exerting a force on the tiles for leveling them relative to each other.

A method for forming a self-leveling floor includes: positioning an edging form on or adjacent to a subfloor so as to at least partially bound an area on which a self-leveling floor is to be formed, the edging form including: a body having a top face, a bottom face and a first side face that extends between the top face and the bottom face; and a plurality of spaced apart channels extending entirely through the body from the top face to the bottom face, each of the plurality of channels also passing through at least a portion of the first side face. A self-leveling flooring material is dispensed into the area in which the self-leveling floor is to be formed so that the self-leveling flooring material flows against the first side face of the body and into each of the plurality of channels.

A method for forming a self-leveling floor includes: positioning an edging form on or adjacent to a subfloor so as to at least partially bound an area on which a self-leveling floor is to be formed, the edging form including: a body having a top face, a bottom face and a first side face that extends between the top face and the bottom face; and a plurality of spaced apart channels extending entirely through the body from the top face to the bottom face, each of the plurality of channels also passing through at least a portion of the first side face. A self-leveling flooring material is dispensed into the area in which the self-leveling floor is to be formed so that the self-leveling flooring material flows against the first side face of the body and into each of the plurality of channels.

A wedge levelling system for aligning surface coverings includes a tab with a substantially flat base and a vertical member extending away from a central area of the top surface of the base. The base includes beveled feet portions on opposite sides for insertion under lower surfaces of adjacent surface coverings, with the vertical member extending between the tiles. The vertical member is attached to the base with frangible leg. The vertical member includes an opening spaced so as to be above two adjacent tiles. When a wedge is inserted and held in the opening and presses down, the tiles are pushed downwardly toward a surface upon which they are being laid to properly align the edges thereof until the tiles are set, the wedge removed and the vertical member broken off at the frangible leg portions.

A method for levelling an anchoring system for a dropped ceiling, a floating floor, a pipe or a cable tray, having at least one support bracket for the pipe or a section bar of a support frame of a dropped ceiling, a floating floor or a cable tray, and an adjustment screw to adjust the distance of the section bar from a reference surface, wherein a laser receiver is placed in contact with the section bar or the support bracket, has an optical window to receive a laser beam emitted by a laser level, assumes two height states indicating the receiving position of the laser beam relative to a reference position, and transmits, in a wireless manner, two control signals corresponding to the two height states, and wherein an electric screwdriver receives, in a wireless manner, the control signals and switches the rotation of the adjustment screw between one direction and the opposite direction based on the control signal received.

A method for levelling an anchoring system for a dropped ceiling, a floating floor, a pipe or a cable tray, having at least one support bracket for the pipe or a section bar of a support frame of a dropped ceiling, a floating floor or a cable tray, and an adjustment screw to adjust the distance of the section bar from a reference surface, wherein a laser receiver is placed in contact with the section bar or the support bracket, has an optical window to receive a laser beam emitted by a laser level, assumes two height states indicating the receiving position of the laser beam relative to a reference position, and transmits, in a wireless manner, two control signals corresponding to the two height states, and wherein an electric screwdriver receives, in a wireless manner, the control signals and switches the rotation of the adjustment screw between one direction and the opposite direction based on the control signal received.

A spacing plate for tile lippage control has a base plate and at least one spacing member extending perpendicularly from an upper surface thereof. At least one spacing member comprises a pair of parallel elongate spacer walls defining parallel outer facing spacing control faces and the elongate spacer walls are spaced apart to define an elongate gap therebetween. As such, the spacing members may flexibly slightly to account for slight horizontal misalignments. Furthermore, edges of the baseplate may comprise cutouts dividing the baseplate into independently flexing leaves which can flexibly engage under individual tiles to account for slight vertical misalignments.

A spacing plate for tile lippage control has a base plate and at least one spacing member extending perpendicularly from an upper surface thereof. At least one spacing member comprises a pair of parallel elongate spacer walls defining parallel outer facing spacing control faces and the elongate spacer walls are spaced apart to define an elongate gap therebetween. As such, the spacing members may flexibly slightly to account for slight horizontal misalignments. Furthermore, edges of the baseplate may comprise cutouts dividing the baseplate into independently flexing leaves which can flexibly engage under individual tiles to account for slight vertical misalignments.