Abstract: A rebar positioning apparatus configured to retain a piece of rebar and allow incremental vertical movement thereof in an upwards direction during the laying of courses of a concrete block wall. The rebar positioning apparatus of the present invention has a body wherein the body includes a center section. The center section of the body includes a first ring member and a second ring member both being annular in shape. The first ring member includes a plurality of retention members formed on the wall wherein the plurality of retention members extend inward towards the central void of the first ring member. A first support portion and a second support portion are integrally formed with the center section extending outward from opposing sides thereof. The first support portion and second support portion each have lateral support members that are v-shaped.

Abstract: A slab bolster element includes a frame member having a male connector at a first end and a female connector at an opposite second end. The male connector includes a substantially solid insertion body with a surface having a transverse locking groove. The female connector includes a receptacle body configured to receive the insertion body of a complementary male connector, and a resiliently flexible locking tab positioned and configured to resiliently deflect to allow the insertion of the insertion body of another slab bolster element into the receptacle body, and to resiliently engage with the transverse locking groove of the insertion body when the insertion body is received within the receptacle body.

Abstract: There is disclosed an improved wall panel trim reveal system and method which utilizes a set of vertical, horizontal and corner trim pieces designed to be fitted together. In an embodiment, the system includes horizontal trim pieces having at least one slope, vertical trim pieces having at least one tab forming a slot for receiving one or more horizontal trim pieces therein, wherein the horizontal and vertical trim pieces when installed together with wall panels forming a moisture drainage channel to direct moisture away from the wall.

Abstract: A trim bead for a building wall incorporates an outwardly extending flange portion to provide a mechanical key for a layer of exterior finishing coatings, such as stucco coatings. The trim bead may be used in stucco systems for exterior building walls that employ continuous thermal insulation over the building wall substrate.

Abstract: A channel screed comprises a first member having an internal channel defined by opposed walls extending from a base. The first member includes ribs within the internal channel that accommodate placement of a second member thereon. The first member having surface features that cooperate with surface features of the second member to provide an attachment therebetween. The first member includes fins projecting outwardly from the opposed walls to provide both an indication of building material thickness, and a mechanical attachment therewith. The second member covers the first member internal channel to provide a desired aesthetic appearance to the installed channel screed. The second member comprises a base with opposed walls, and includes flanges projecting from top edges of the opposed wall surfaces. When attached to the first member, the flanges cover up the internal channel, and the interface between the first member and the building material.

Abstract: A channel screed comprises a first member having an internal channel defined by opposed walls extending from a base. The first member includes ribs within the internal channel that accommodate placement of a second member thereon. The first member having surface features that cooperate with surface features of the second member to provide an attachment therebetween. The first member includes fins projecting outwardly from the opposed walls to provide both an indication of building material thickness, and a mechanical attachment therewith. The second member covers the first member internal channel to provide a desired aesthetic appearance to the installed channel screed. The second member comprises a base with opposed walls, and includes flanges projecting from top edges of the opposed wall surfaces. When attached to the first member, the flanges cover up the internal channel, and the interface between the first member and the building material.

Abstract: This invention relates to building materials and methods. A building assembly for constructing a building includes load bearing structural panels joined and finished with a non-load bearing panels. The load bearing panels comprise a structural concrete insulating panel (SCIP) comprising a pair of wire mesh members sandwiching a middle member comprising polystyrene, wherein each of said wire mesh members defines two outwardly projecting screed ridges. The non-load bearing panels comprise a pair of fiber cement boards sandwiching a polystyrene core. The load bearing SCIP panel is placed in position and then the non-load bearing panel is positioned in a desirous location abutting the SCIP. The SCIP then receives a layer of cementitious material that is cut flat using the screed ridges. The assembled SCIP and non-load bearing composite is then finished with a final finishing layer so that the entire assembly has the same outer appearance.

Abstract: This invention relates to screed methods and building panels. According to the invention there is provided a construction panel comprising two outer wire mesh members and a middle member secured therebetween. The wire mesh members may have a plurality of V-shaped impressions along their length which serve as a built in visual and mechanical screed for finishing the panel with shotcrete or plaster. Alternatively, the wire mesh members may have a clipped-on-screed member attached thereto which serves as a visual and mechanical screed for finishing the panel. The middle member may comprises a composite of alternating layers of wire trusses and polystyrene foam. The middle member may be secured in a compressed state and released after attachment to the wire mesh members.

Abstract: According to the present invention, a fastener system is provided having an anchor (20) and a washer (40). The anchor includes an upset stud shaft (28) to which the washer is attached. The fastener system is preferably used in the inventive method of restoring/applying cladding such as plaster or plaster-like materials such as stucco. According to the inventive method, the anchors of the fastening system are driven into the building structure before application of a moisture barrier membrane. After application of the membrane, a support mesh (90) is secured to the anchors using the washers (40). This allows the membrane to provide a watertight seal around the fasteners. The inventive method may be used in new construction or restoration.

Abstract: This invention relates to building materials and methods. A building assembly for constructing a building includes load bearing structural panels joined and finished with a non-load bearing panels. The load bearing panels comprise a structural concrete insulating panel (SCIP) comprising a pair of wire mesh members sandwiching a middle member comprising polystyrene, wherein each of said wire mesh members defines two outwardly projecting screed ridges. The non-load bearing panels comprise a pair of fiber cement boards sandwiching a polystyrene core. The load bearing SCIP panel is placed in position and then the non-load bearing panel is positioned in a desirous location abutting the SCIP. The SCIP then receives a layer of cementitious material that is cut flat using the screed ridges. The assembled SCIP and non-load bearing composite is then finished with a final finishing layer so that the entire assembly has the same outer appearance.

Abstract: An abutment is provided for use as a start or end post of a plasterboard partition wall or as a join between two such walls which run in different directions. The abutment comprises an elongate plaster moulding designed to run between the ceiling and the floor and having an abutment surface for abutment against the end of the partition wall. In a preferred embodiment, the abutment includes a tapered edge at the abutment surface to provide a space at the join in which a skim of plaster can be applied to provide a seamless join between the partition wall and the abutment.

Abstract: A screed corner comprises a screed base including substantially perpendicular nailing flanges and a bead leg extending away from each nailing flange. The bead has a horizontally disposed V-shaped cross section. A separate screed corner component is provided to be secured to arms of the bead and to close a gap in the screed base which is located in a volume comprising an intersection of a projection of each bead leg. The screed corner may be provided in a contour in sheet metal which can be readily bent to form a screed base. The screed corner component may comprise formed sheet metal. The corner component may comprise a sharp corner or may comprise a radius at its periphery. In one further form, the bead may comprise a substantially planar surface extending away from the nailing flange. In another, further form, the screed corner may be molded.

Abstract: A shower receptor installation assembly includes a dense foam underlayment, a base with a sloping floor that fits onto the underlayment, a mesh member attached to the threshold of the base with adhesive, a plurality of strike rails, and a plurality of screed blocks, two or more of the screed blocks being attached with removable adhesive to the bottom edge of each strike rail.

Abstract: A step bead comprising: A) an elongated base having opposed front and back top and bottom longitudinal edges; B) a first rear vertical flange extending upwardly from the top rear longitudinal edge; C) a second rear vertical flange extending downwardly from the bottom rear longitudinal edge; D) a first front vertical flange extending upward from the top front longitudinal edge, generally parallel to the first rear vertical flange and having a first end proximate the top front longitudinal edge and a distal end; E) a longitudinal horizontal flange having a first end proximate the distal end and a second end remote from the distal end and extending from the distal end generally parallel to the base and away from the first rear vertical flange; F) a second vertical flange extending upwardly and downwardly from the second end and having a first top vertical flange end; and G) a third horizontal flange extending inwardly from the top vertical flange end toward the first vertical rear flange but not to the distal en

Abstract: A support apparatus (10) for providing a robust load bearing support for screed rails (12) during the laying of concrete in which the height of the screed rails can be accurately adjusted and supported so as to allow the screed rails to be used for carrying concrete levelling devices such as a roller beam levelling device consists of a ground engaging base block (14), a first member (22) releasably connected at its lower end to the base block and a support member (28) releasably connected to the upper end of the first member for supporting the screed rails (12) at a desired height above the ground (16) where the first member and support member combination is of adjustable length to permit adjustment of the height of the screed rails carried thereby.

Abstract: A prefabricated, supporting building structure element, such as wall elements (11), floor structures (47) or the like includes a reinforced concrete slab (13) having a plurality of discrete, parallel, horizontally separated, not mutually joined, longitudinally extended stiffening plate elements (15), each having a web (17) with a first longitudinal edge portion (21) embedded in the concrete, such that a considerable portion of the web (17) protrudes freely, substantially perpendicularly from a first side defining surface of the concrete slab (13). The longitudinal edge portion (21) exhibits a substantially wave shaped corbelling from the plane of the web (17).

Abstract: A slab bolster upper for supporting rebar in a reinforced concrete structure while the concrete is poured and thereafter cures, is of molded plastic construction and is formed with horizontal and vertical voids that facilitate concrete placement and break up potential shear planes. Opposite ends of each unit are provided with complementary buckles to interconnect with like units to form a continuous support of desired length.

Abstract: A system and method for forming changes in elevation in a concrete slab includes one or more channels having substantially parallel bottom and top edges. The bottom and top edges include bent ends and a number of spaced apertures are formed in the bottom and top edges and the bent ends. Braces are inserted into the apertures to support the channel or channels in a vertical position. On or more different type bolt holders are selectively insertable into the channels for holding “J” bolts in a vertical position, parallel to the channels. Connecting elements are included for holding adjacent ends of separate channels together.

Abstract: An elongate tile mounting strip that includes a center body with two extension edges, the extension edges being oriented substantially perpendicular to one another and positioned at opposite corners of the body. A first of the extension edges and a substantially perpendicular mud face of the body define a first ledge, and a second of the extension edges and a substantially perpendicular tile face of the body define a second ledge. The tile face is a reference surface for positioning a layer of adherent material along the first ledge in a predetermined thickness, the thickness being equal to a width of the mud face, and an inner surface of the second extension edge is a locating surface for aligning a plurality of tiles longitudinally therealong.

Abstract: A trim strip (10) includes an anchoring flange (16). A structural material cover (18) is coupled to the anchoring flange (16). The structural material cover (18) includes an upper cover member (20) and a lower cover member (22). The upper cover member (20) covers a portion of an exposed structural material layer (25). The lower cover member (22) has a structural material flush mounting surface edge (26) and covers a portion of a structural material sub-layer (28). A method of forming a multiple layer structure (15) includes applying a compound structural material cover and intermediate trim strip (10) to a peripheral edge (64) of the sub-layer (28) and applying the exposed structural material layer (25) to the sub-layer (28) and to the compound structural material cover and intermediate trim strip (10).

Abstract: An improved ventilation strip for providing a soffit vent on a building. The ventilation strip includes an elongated perforated panel having a substantially planar upper surface and flanges extending laterally there from. A lip is provided on the lower surface of the panel at each edge of the panel running longitudinally thereon. The flanges are of non-uniform cross section and include an upper and a lower surface. The flanges are thickest at the juncture with the panel and thinnest at their outer ends with the lower surface tapering upward from the juncture to the end. Apertures may be provided in the flanges. The ventilation strip is operated by cutting a channel in the soffit of a structure, aligning the strip with the channel, and driving fasteners through the flanges to secure the strip to the soffit. Stucco reinforcement mesh may be secured across the flanges and the soffit and stucco spread thereon to complete the installation.

Abstract: A stucco reveal system that can be assembled in a pattern which defines visual breaks between panels of applied stucco. The stucco reveal system includes individual strips of contoured stucco reveal constructed of extruded vinyl or metal that have the qualities of easy installation and cleaning and aesthetic desirability. The contoured reveal strips include a floor to which a pair of contoured walls are attached. The inside surfaces of the floor and contoured walls define a channel which forms the visual break between stucco panels. The shape of contoured walls are defined in part by an arc portion, an angled straight wall portion or a partial bevel portion. The contoured walls have a vertical component that makes them easily visible for cleaning and reflects cleaning water spray out of the channel, reducing soiling of the grid due to cleaning and rain runoff. The top edges of the contoured walls act as guides during stucco application for a screed stucco surface.

Abstract: An expendable concrete dowel placement apparatus comprising a concrete form and a dowel holder capable of quickly positioning a dowel perpendicular to the surface of the concrete form, thereby allowing the finished concrete slab to expand and contract relative to a control joint without the dowel causing the concrete to yield. The concrete form maintains a plurality of square or rectangular apertures which receive the dowel bar holders. Each dowel bar holder maintains a plurality of retention clips and a flange located at its open proximal end which positively positions the dowel bar holder within the apertures of the concrete form in a position perpendicular to the front surface of the central vertical member of the concrete form. The concrete form is composed of a non-typical shape which allows the control joint to transfer loads to adjoining concrete slabs through the length of the control joint.

Abstract: A stucco reveal system that can be assembled in a pattern which defines visual breaks between panels of applied stucco. The stucco reveal system includes individual strips of contoured stucco reveal constructed of extruded vinyl or metal that have the qualities of easy installation and cleaning and aesthetic desirability. The contoured reveal strips include a floor to which a pair of contoured walls are attached. The inside surfaces of the floor and contoured walls define a channel which forms the visual break between stucco panels. The shape of contoured walls are defined in part by an arc portion, an angled straight wall portion or a partial bevel portion. The contoured walls have a vertical component that makes them easily visible for cleaning and reflects cleaning water spray out of the channel, reducing soiling of the grid due to cleaning and rain runoff. The top edges of the contoured walls act as guides during stucco application for a screed stucco surface.

Abstract: An adjustable screed with a flexible body (suited for use in cut-out areas) or a rigid body (suited for use adjacent to wall-like structures), a horizontal adjustment mechanism for establishing a horizontal plane for the screed and for securely maintaining the horizontal plane, and a vertical stabilizing mechanism for attaching the screed to an external object whereby when one or more screeds are being attached to the external object, the screed is adjusted and aligned to a single horizontal plane, securely maintained at that horizontal plane, and the vertical stabilizing mechanism maintains the attachment of the screed to the external object and maintains vertical stability of the screed as horizontal adjustments are being made.

Abstract: An adjustable screed with a body having a top rail and a bottom rail; a horizontal adjustment mechanism for establishing a horizontal plane for the screed and for securely maintaining the horizontal plane; a vertical stabilizing mechanism for attaching the screed to an external object; a securing mechanism for securing the screed to the external object; and a registration mechanism for registering one screed to another screed after initial adjustments have been made to the first screed secured to the external object.

Abstract: A weep screed for use in exterior construction has a vertical member and upper and lower outwardly projecting flanges affixed to the vertical member. The vertical member is adapted to be form-fit to the base of a vertical wall overlying a concrete foundation. The upper outwardly projecting flange is coextensive with the length of the screed and has a plurality of apertures therein, the apertures being spaced from one another along the length of the weep screed to provide drainage for water accumulating on an upper surface of the upper outwardly projecting flange. The lower outwardly projecting flange, which is coextensive in length with the upper outwardly projecting flange, is impermeable to water. The lower flange collects water received from the upper member and directs the flow of such water outwardly, away from the vertical wall and foundation.

Abstract: A method for the fabrication of concrete blocks (2) or concrete slabs of various forms and sizes, fabrication taking place on the basis of vibrational compaction in concrete-filled molds or dies, the block surface or slab surface of the concrete blocks or concrete slabs being subjected to at least one post-forming treatment and subsequent curing. The post-forming treatment includes gentle contact of the surfaces of the concrete blocks or concrete slabs with soft materials.

Abstract: Articles are disclosed for preparing a uniform thickness bed of mortar or ‘mud’ on a wall to receive a facing material. The article includes a first edge oriented lengthwise along the stock for contact against the surface of a first wall to be faced, and a second edge parallel and spaced apart from the first edge by a predetermined distance, the second edge providing a screed against which a tool may be drawn to smooth a cement layer on the first wall having a thickness substantially equal to the predetermined distance. Different embodiments of the invention are applicable to different construction situations, including flat walls, outside corners, inside corners, above doorways and other openings. In one embodiment, a corner bead is used to create a finished edge with tile or stone on one side of a corner, with a drywall mud finish on the other side of the corner.

Abstract: An improved mounting for attaching a facing material to a wall. The wall comprises a plurality of interlocking foam blocks with each of the plurality of interlocking foam blocks having an inner and an outer block surface for defining an inner and outer wall surface. Each of the plurality of interlocking foam blocks has a vertical aperture being filled with a curable material. A plurality of grooves are defined in the one of the inner and outer block surface of each of the plurality of interlocking blocks. The plurality of grooves are aligned with the plurality of grooves in an adjacent layer for providing a plurality of continuous wall grooves. A plurality of mounting strips are insertable within the plurality of continuous wall grooves. Fastening devices fix the plurality of mounting strip within the plurality of continuous wall grooves to provide a mounting for attaching the facing material to the wall.

Abstract: A control joint for forming and controlling concrete structures such as floors and tilt-up walls. The joint has a base and an upstanding web with an off-set section and is preferably extruded from plastic. In alternate embodiments, the joint has a base and a web with a removable top cap for forming a chamber or recess in the completed product. A reusable, reinforced form for structures such as stem walls is also disclosed which form can be cut at spaced-apart locations to the desired length.

Abstract: An edge strip for being mounted along a base structure includes a first axially extending flange and a second axially extending flange obliquely extending from the first flange. The second flange includes a first support configured for being mounted adjacent to the base structure. The first support includes a head portion, a first neck portion between the head portion and the first flange, and a second neck portion spaced from the first neck portion between the head portion and the first flange.

Abstract: An apparatus and methodology for smoothing relatively small pads of freshly laid concrete. The apparatus comprises a pair of broom assemblies joined by a gang bar structure and each pivotally movable on the gang bar structure between first and second angularly displaced positions. A first rope is connected to the apparatus and moves the apparatus across the pad in one direction in response to pulling on the first rope, and a second rope is connected to the apparatus and moves the apparatus across the pad in an opposite direction in response to pulling on the second rope.

Abstract: A weep screed for use in exterior construction has a vertical member, an outwardly projecting member, and an inwardly projecting member which is susceptible of being form-fit to a concrete foundation. The inwardly projecting member has a plurality of grooves or notches running along the length of the weep screed to provide tear strips, to permit adjustability of the length of the inwardly projecting member by allowing it to be torn off, or to permit bending of the inwardly projecting member for a form fit with the foundation where a flush fit occurs at a point in between tear strips.

Abstract: A supporting element for use in casting concrete floors on a foundation includes a base member and a distinct top member supported by the base member. The top member has an elongated top sliding plane surface allowing a concrete leveling device to be moved along it. The base member is typically formed of side walls with openings in them, each making approximately the same angle with respect to the top member and being inclined so that they form an angle of about 25.degree.-90.degree. with respect to each other. The base member may form a groove in a central top portion of it, and the top member may be an elongated rail received within the groove. Foot portions connected to the side walls may have level adjustment screws provided in them for adjusting the position of the top sliding plane surface.

Abstract: A banding bead which is attachable to a base structure for providing a guide and form for retaining plaster or other plastic materials thereagainst at two different heights. The banding bead includes a base portion and a generally planar elongated support segment extending generally perpendicularly away said base portion. The banding bead is extruded from a selected material or formed from a strip of sheet material. The support segment has a first planar side, a second planar side, and a top screed portion distal the base portion. A screed lip is disposed on the second planar side between the top screed portion and the base portion. The base portion includes primary and secondary feet extending from the support segment for attachment to the underlying base structure and to provide stability.

Abstract: An aggregate floor including terrazzo and the like and a method for forming the floor on a supporting surface, the floor including a layer of flexible compound applied to the surface, a reinforcement mesh positioned between divider strips and adjacent the compound and supporting a layer of compacted aggregate forming a substantially level surface. The divider strips are selectively positioned in desired configurations on the flexible compound layer to divide the mesh and aggregate into discreet and crack controlled sections. A mixture of composite cement, water and, in some cases, sand is applied to the surface of the aggregate layer in such a viscosity as to gravitate completely through the aggregate layer and make contact with the underlying layer of flexible compound. Such permeation fills and replaces the air pockets between the aggregate particles and deposits sufficient top coating on the surface of the aggregate to be polished to a finished surface.

Abstract: A pipe supporting element is releasably mounted on a top rim of a form board used to contain and support concrete during a drying and set up stage of a concrete pouring operation. The pipe supporting element supports a pipe away from the form board so concrete can ompletely surround the pipe whereby the pipe will be completely embedded in the hardened concrete. The pipe support element is monolithic and includes a rectangular base attached to the form board by a fastener, such as a nail, and a C-shaped section which abuttingly engages the pipe. A strap, such as a wire, is wound around the pipe and around the nail to further attach the pipe to the pipe supporting element. The pipe supporting element can be removed from the form board for re-use.

Abstract: A channel shaped cap support strip for a cap strip of a tiled counter top is formed with a plurality of projecting tongues that are embedded within the adhesive that overlies the horizontal surface of the counter, with the body of the cap support strip channel being nailed to the vertical surface of the front of the counter. The tongues, embedded in the adhesive that holds the tile in place, hold the upper part of the cap support strip securely tied to the counter top and prevent flexing and cracking of the tile cap strips.

Abstract: A stiff plastic strip is formed to provide reinforcement for longitudinal edges at which interior drywall surfaces meet and for capping corners formed of sheets of wallboard meeting at orthogonal angles. A pair of laterally directed flanges extend in diverging fashion from a central transversely curved region of the plastic strip. A contact sensitive adhesive strip is mounted on each of the flanges to extend longitudinally therealong so as to allow the plastic strip to be pressed against drywall or wallboard surfaces. One of the flanges of the plastic strip may be slit periodically throughout its length to allow it conform to arches and circular openings. In another embodiment a stiff, water impervious plastic sheet with three flanges extending outwardly therefrom has contact sensitive adhesive layers disposed on each of the flanges. The structure can thereby serve as a cap for protruding soffit corners.

Abstract: An improved drywall tape is comprised of an elongated ribbon of porous paper tranversely corrugated throughout its length and having a fexible, elongated plastic bead secured to the ribbon of paper and extending longitudinally along the length of the paper. The plastic bead provides a distinct, protected corner to finished drywall, and the corrugations in the tape strengthen the tape to make it stiffer and harder when it dries and easier to work with during installation.

Abstract: A molding for drywall panels or the like has a channel to provide a reveal. To provide selected finish or color, a trim structure is provided that likewise has a channel configuration. The side walls of the trim structure and the side walls of the molding provide a sawtooth and rib structure for snap connection. The ends of the trim channel sides provide laterally outwardly extending lips to overly the end edges of the molding. The trim conceals all plaster splashings, obviating cleaning, provides selected color or finish. The desirable reveal characateristic is retained by virtue of the fact that the trim structure itself is a channel.

Abstract: A plaster screed is made of two metal parts of uniform cross-sectional configuration. The two parts overlap, each part providing one of the sides of the channels. The first part provides a laterally projecting attaching flange as well as the channel bottom, the channel bottom being extended beneath the channel side provided by the second part as well as beneath its laterally extending attaching flange. The attaching flange of the second part is stepped so that the bottom of the screed is essentially flat. The area of the step just beyond the terminus of the first part provides a rearwardly facing groove filled with a suitable thermoplastic sealant. The sealant complements the parts to provide a flat base free of moisture traps while allowing slight relative movement between the parts for relieving stress that otherwise would build up in the plaster material.

Abstract: An elongate thin strip, with two similar flanges forming a 90.degree. angle, each flange having a shallow step whereby a recessed area for joint compound is provided, when used as a drywall inside corner bead.

Abstract: A method of applying an insulation coating to a wall surface comprises applying strips of a length or height of the insulation to be applied to the wall surface so that they are deposed outwardly of the wall surface up to the desired thickness of the insulating coating, spraying the coating between adjacent strips of a thickness up to the surface of the strips, and thereafter smoothing the coating surface which has been applied. The invention also includes a chainsaw construction for smoothing the surface in which the saw has a blade length at least as long as the expected coating widths and the spacing of the strips which includes a plurality of chain links having cutting tips and advantageously small brushes a affixed to the links to further smooth or remove the dust from the coated surfaces.

Abstract: An arrangement for use when casting concrete floors, particularly in locales having pillars, floor drains or the like. The arrangement includes straight concrete beams and sections of ring-like concrete beams which are intended to be incorporated in the resultant floor. The ring sections are arranged to coact in order to completely encircle a free-standing pillar or the like, or to partially encircle a pillar located adjacent a wall. The sections are provided with a lower support flange intended to support the ends of the straight beams. The height of the straight beams is so selected in relation to the height of the ring-like beams that when the straight beams rest on the aforementioned support flange, the upper surfaces of both kinds of beams are located in a common plane, on a level with the resultant floor surface, in order to be able to serve as support paths for concrete smoothing devices. The application also relates to a method for manufacturing beams intended for use with the arrangement.

Abstract: A two part molding structure provides a quirk or reveal about a cylindrical column, one part being a spacer ring of flexible material, and the other part being an extruded metal grounding member of simple cross sectional configuration whereby it can be preformed or bent in situ to surround the spacer ring and form therewith the channel or reveal. The grounding member either provides a channel upon which ceiling tile can rest, or an edge against which moldable material, such as plaster, can be applied.

Abstract: Apparatus to make up joints in the construction of cement flooring intended, either to definitely remain in the cement, either to be recuperated, the said apparatus having a first part whose walls interlock on a second part serving as support, which has feet that anchor perfectly in the levelling cement.

Abstract: A metal corner bracket for use in drywall construction in corners on windows and archways to eliminate subsequent cracking at the corners.

Abstract: A consumable depression rail and water stop for concrete building slabs wherein the rail when positioned forms a level for the concrete as it is poured and also acts as a guide to form a depressed area of the slab. The elongated rail also forms a water stop to prevent water from moving from the depressed area into a building. The rail is generally T shaped in cross-section, and may be cut into small pieces which are used as consumable supports for maintaining the rail in a fixed position.