Abstract: A flashing including an elastomeric collar with an inner surface and an outer surface and adapted to seal against more than one size of a vent pipe passing vertically through a central opening in the collar. The elastomeric collar has a circular base adapted for interconnection with a base member and a central opening including a first annular ring defined by a separation circle and a second separation circle, at least one additional annular ring outwardly therefrom that is frangibly separable from the first annular ring at the second separation circle and frangibly separable from the elastomeric collar at a third separation circle. Each annular ring selectively is removable by a pull tab that extends vertically from the outer surface of each annular ring at a location proximate to the separation circle of that ring with respect to the elastomeric collar.

Abstract: A roof jack or vent seal which is unitarily vacuum formed of polypropylene synthetic rubber polymer and a U.V. stabilized pigment and which has a planar roof covering with a central upstanding frusto-conical section including stepped graduated portions, with the region between each graduated portion capable of flexing to accommodate differences in the roof pitch.

Abstract: A shower strainer mounting assembly (10) comprises an elongated cast-in adaptor coupling (12) for being cast into concrete having a lower end portion (16) for receiving standard 2 inch pipe (24) and an upper portion end (18) with an inner diameter of at least 37/8 inches. A separate pan-mounting flange member (14) comprises a circular tubular portion (36) having a continuous round external surface of a size and shape for fitting snugly into the top of the cast-in adaptor coupling and an internal surface with a diameter of less than 3 5/16 inches but at least 2 11/16 inches in cross section and a flange portion (38) attached to the upper end of the tubular portion extending radially outward from an outer surface (40) thereof.

Abstract: An improved flashing unit for use in weatherproofing a roof penetration including complimentary mating half portions of generally regid, high-strength sheet material, each half portion comprising a base plate, a generally semi-cylindrical stack portion attached to and extending upwardly from the base plate, each base plate having an upwardly directed generally semi-cylindrical flanged edge disposed within the lower end of each semi-cylindrical stack portion, a longitudinal edge portion of each stack portion forming an elongated continuous channel for receipt of a corresponding smooth longitudinal edge of the opposite stack portion for snap-fit frictional retention of the two stack portions when mated with the edge portions of the base plates in abutment, lap plates attached to abutting edge portions of the base plates to be received in lapping relation with an abutting side edge portion of the opposing base plate, and a generally cylindrical counterflashing, or cap, for surrounding a roof penetration and rece

Abstract: A pitch pocket construction and method of forming the same for sealing the junction between an element projecting upwardly from a roof and through an opening in a waterproof membrane covering the roof. A plastic ring of PVC is placed on the membrane surrounding the projecting member and a strip of uncured EPDM rubber flashing is secured to the outside surface of the ring and over the top edge thereof and forms an annular flange over the membrane surrounding the outside of the ring by an adhesive applied to these areas after placement of the ring on the membrane. The inside surface of the ring, the exterior surface of the projecting member, and the intervening membrane within the ring, then are coated with an adhesive.

Abstract: A floor clean-out assembly for a drain pipe comprises a tubular adapter having a top shaped to serve as the ball of a ball and socket and a bottom for connection to a drain pipe; and a tubular extension member for extending from the top of the adapter to a floor. The extension member has a bottom shaped to serve as a socket. When the top of the adapter is in the socket of the extension member, the extension member can be rotated so that its top is level with a floor. The adapter and extension member are preferably made of solvent weldable material so they can be readily welded in a desired position.

Abstract: An improved roof flashing comprising a hard base frustroconical base member and a elastomeric sealing collar, wherein the interconnection between the collar and base member is through overmolding a ring mount assembly, 6, that is characterized by a substantially horizontal upper surface and a pair of downwardly extending first and second legs, 12, 14. The proximate end of the sealing collar has a substantially horizontal upper surface and a pair of concentric lower surfaces, substantially coplanar but separated by the extending bottom of the second downward leg, 14. In this fashion, a bending moment supplied about a second downward leg, 14, through wiping action at the distal end of the elastomeric collar, 42, will not tend to separate the elastomeric collar from the frustroconical member, 4, at points radially outward from the second downward leg, 14.

Abstract: A connector is described for connecting a pipe to a plate through an opening in the plate. The connector includes a resilient gasket sleeve with an internal bore wall that is slidably receivable over the pipe, and an external wall that is receivable through the plate opening. A rim and a retainer wall member are provided on opposite ends of the gasket sleeve, interconnected by a number of threaded fasteners. The entire unit can be inserted through the plate opening from the top side thereof so the gasket sleeve is received over the pipe and the rim abuts the top surface of the plate. The fasteners can then be tightened drawing cam surfaces on the rim and retainer together axially to deform the gasket sleeve. In doing so, the internal wall of the sleeve is expanded inwardly to securely seal and grip the pipe while the external wall is expanded outwardly to securely grip and seal against the plate.

Abstract: A cleanout extension adaptor for insertion into a cleanout extension construction in a plumbing arrangement. The cleanout extension adaptor includes a cylindrical body with a small, thin lip on the top for seating on the top of a cleanout extension. The cleanout extension adaptor has internal threads which accommodate a threaded plug that is contained within the confines of the cleanout extension when installed. The cleanout extension adaptor permits cutting the cleanout extension so that it is even with the surrounding surface. When the plug is inserted into the cleanout extension adaptor, the cleanout extension and plug are substantially even with the surrounding surface. This avoids cutting out or altering the surrounding surface in any way.

Abstract: A pre-fabricated and modular chimney facade system (10) is provided for a chimney stack (12) passing at least partially therethrough. The chimney facade system (10) is adapted to be secured to a roof member (14) if a building structure. The chimney facade system (10) includes a first base housing (18) and a second base housing (20) mounted in vertical relationship each to the other. The first base housing (18) is secured to an external surface of the roof member (14) through internally directed horizontally directed flange members (46). Portions of base housings (18 and 20) are joined together through interfacing relationships of one piece sidewall members (40 and 42) for base housing (18) and L-shaped sidewall panel members (24 and 26) for second base housing (20). First and second base housings (18 and 20) are vertically secured each to the other through nested and interfacing relationships between vertically directed flange members (60 and 62).

Abstract: A drain assembly is disclosed having a drain insert member with a tube portion carrying at its upper end a flange which extends radially outwardly. A clamp ring member is adapted to overlie and be clamped onto the flange member. The flange has a plurality of post members which extend upwardly from the upper surface of the flange. The clamp ring member has a plurality of upwardly extending socket forming members each defining a socket recess open at a lower surface of the clamp ring member and adapted to receive a post member in the socket recess therein. A screw member extends downwardly through the top of the socket forming member to engage the post member and draw the clamp ring member downward onto the flange in clamping arrangement therewith. The upstanding post members and socket forming members permit the drain insert member to be made by injection moulding from a two piece mould.

Abstract: The invention comprises an economical, adjustable duct section which allows an installer to mount and connect a curved end thereof to an opening in an air duct bend and to adjust the other end to a desired predetermined angle with respect to the horizontal. The invention makes it more feasible to install a second air handler on an outlet duct bend of a first air handler for augmenting an output of the first air handler on the roof of a building or the like. It provides an easily made water and weather tight seal between the assembled units.

Abstract: A pressure ring combination for sealing the inverted stack of a membrane roof to a waste pipe or other drainage member. The pressure ring combination includes a ring member that is movable between a contracted position and an expanded position, and a keeper member for keeping the ring member in the contracted position until it is desired to expand the ring member. The pressure ring combination can be easily inserted into the interior of the drainage member with a portion of the inverted stack positioned between the pressure ring combination and the interior of the waste pipe or other drainage member while the ring member is in the contracted position. The keeper member can then be removed from the ring member to allow the ring member to expand and to securely seal the portion of the inverted stack to the interior of the waste pipe or other drainage member.

Abstract: This invention relates to a floor drain and methods for its installation, more specifically to a floor or shower drain having two sets of weep holes and to a method for its installation.Conventional drains generally in use today have only one set of weep holes to drain water which may seep down to a water impervious pan. As a result, if the shower stall is installed improperly, water may seep out and cause extensive water damage.The invention relates to a shower drain installation which will be effective in preventing water damage even if the subfloor is not ideally suited for promoting drainage in a shower.

Abstract: A floor drain includes a cylindrical drain body having external threads formed thereabout and an upper flange extending radially outwardly from the drain body and disposed flush with the floor surface. A threaded nut is secured about the drain body to engage the lower surface of the floor. The drain body includes a lower bore portion adapted to receive the upper end of a waste discharge pipe, the pipe being secured therein by adhesive or the like. A plurality of shoulder stops extend inwardly from the upper end of the lower bore portion to limit the upward position of the waste discharge pipe. The upper end surface of the waste discharge pipe is substantially exposed by the shoulder stops, so that a bead of sealant may be disposed at the junction of the upper end surface and the lower bore to seal the assembly.

Abstract: A pitch box for sealing the junction between an upright elongated projection and the opening where it penetrates into the surface of a roof. The pitch box has a central tubular part which has a base adapted to be mounted against the roof surface surrounding the projection and adapted to extend upwardly generally coaxial with the longitudinal axis of the projection to provide a space surrounding the extension for receiving anchoring material. A collar surrounds the upper end of the tubular part and a bottom wall is provided between the bottom of the collar and a median point on the tubular part so that a trough is formed surrounding the upper end of the tubular part. The bottom of the trough has weep holes in it for discharging moisture. The top of the collar extends above the top of the tubular part.

Abstract: A weather seal device for providing a seal between a surface having longitudinal ridges and/or valleys and an elongate conduit extending therethrough, the device having an apertured base of resilient deformable material and a sleeve of resilient material integral with the base and projecting from one side. The base in use is superimposed on the surface and the elongated conduit extends through the aperture and through the sleeve. The base has a marginal edge portion to be positioned in use so that it extends in a direction inclined in the direction of the longitudinal ridges and/or valleys. The marginal edge portion is contoured along its length in a direction normal to the plane of the base, so that in a free state the length of the marginal edge portion measured along the contours is greater than the linear length.

Abstract: A method of forming roof vent pipe enclosures in one piece, flexible, reinforced roof-covering membranes provides a cylindrical, open ended tube of a membrane material which is heat weldable and a tube base of like heat weldable material which has an opening of a diameter to snugly accommodate the base of the vent pipe. The tube is fitted over the end of a template which is of a greater diameter than the opening and the template is projected through the opening to fold the marginal edge section of material surrounding the opening generally in an axial direction while stretching it radially, and at the same time drawing the one end of the tube down further on the template to radially stretch it so that it is disposed in lapped engagement with the marginal edge section of material.

Abstract: A vent pipe extension and flashing apparatus for extending a vent pipe into a chimney including a generally vertical wall having an interior surface, an exterior surface, and an opening through the wall. The apparatus comprises a threaded sheet metal pipe including helical threads extending along substantially the entire length of the outer surface of the threaded pipe, the threaded pipe having opposite first and second ends, the first end being adapted to extend through the opening in the chimney wall, the second end being adapted to be connected to a vent pipe. The apparatus also comprises restraining means for engaging the interior surface of the wall to prevent the threaded pipe from being pulled back through the opening, the restraining means being supported by the first end of the threaded pipe and being compressible to allow the first end of the threaded pipe to be pushed through the opening in the wall.

Abstract: Plastic plumbing joint assemblies of a universal nature are made available by this invention to provide with a single coupling unit construction a variety of different functions including clean-out access, pipe end dust covers or vents, drain assemblies, threaded pipe to plastic couplings, flush floor or wall mount, snap-in friction fit or permanent solvent welded installation, etc. The integral plastic plumbing coupling joint unit has an internally threaded barrel assembly and outside smooth cylindrical surface mating inside a plastic pipe. If flush fit thereon, a thin rim circumferential flange fits on a floor surface with a flush removable center closure plug for flush mount on a wall. A lower skirt below the threaded barrel presenting a smooth cylindrical inner surface can receive a plastic pipe internally. A thin cover plate or drain plate can be held on by one screw for flush floor mount.

Abstract: A roof flashing and method of making same in which both the collar and base member of the flashing are made of elastomeric material. The base member is molded first and has an opening therein surrounded by a stepped flange provided with a series of circumferential slots therein. The collar is molded onto the base member during a subsequent molding operation in which the material of the collar is injected through the slots and completely around the top, bottom and inner side edge of the flange to form a series of closed loops thus providing a positive mechanical lock between the collar and base member. Also, the heat of the elastomeric material of the collar during the second stage molding process causes some melting of the elastomeric material of the base member whereby the collar and base are also fused together.

Abstract: A pipe coupling device is disclosed for sealably securing a cylindrical outlet end of a roof drain insert, slidable within a larger diameter roof drain pipe, coaxially within the drain pipe. The coupling device comprises a compressible, rubber tubular member which when uncompressed is slidable into the drain pipe and which on compression by axially directed compressive forces expands radially outwardly sufficiently to sealably engage with interior surfaces of the drain pipe. The rubber tube is adapted on compression to sealably engage the drain insert. Screws which are turned to apply axial compressive forces to the rubber tube lie radially inside of the drain insert and are assessible for activation through the inlet end of the drain insert. The new pipe coupling provide a means mechanically locate the drain insert securely within an existing roof drain.

Abstract: Disclosed is apparatus for providing an extension of a conduit through an aperture in a roof or a floor of a building and for providing a seal around the aperture, the apparatus including a conduit extension adapted to extend through the aperture in the roof. A first collar surrounds and is supported by the lower end of the conduit extension. The first collar includes a peripheral flange surrounding the aperture and being engageable against the roof. A second collar surrounds the upper end of the conduit extension, the second collar including a flange having a downwardly extending periphery. A resilient seal is located between the periphery of the second collar and the roof, and the periphery of the second collar is forced downwardly against the resilient seal for providing a seal between the collar and the roof.

Abstract: A tubular fitting with an annular flange inwardly of its ends has adjustable clamping devices spaced with respect to the flange and enabling the fitting to be secured in an opening in a roof or the like and about a structural member or a pipe extending therethrough so as to form a weather tight seal thereabout. The fitting is preferably formed in two half sections to facilitate installation.

Abstract: Pipe installation fitting for sealing around a pipe or conduit where it passes through the roof or outside wall of an enclosed structure. Conduits pass substantially vertically through the base panel of the hood, make a right angle bend, then pass through a vertically disposed panel. More than one pipe or other protruding structure may be installed in a single flashing hood.The flashing hood of the present invention is easy to use, can be quickly installed, provides thermal, vibration, and moisture insulation, and can be reopened at any time for servicing, replacing, or adding to conduits passing through it.

Abstract: A seal device to provide a fluid seal between a conduit or the like and a surface through which the conduit extends comprising a non-resilient annular metal base member deformable to complement the surface to which it is to be fitted, and a sleeve of resilient material integral with the base at one end and apertured at the other end to receive in sealing relation the conduit, the resilient material of the sleeve extending across the face of the base to provide in use a sealing element between the base member and the surface to which it is to be fitted.

Abstract: A flanged fitting comprises a flanged tubular member for positioning in an opening in a floor or roof to form a tubular conduit therethrough. The flange on the fitting may comprise a closet flange, a floor drain flange, or a flat roof flange. Additionally, the flange may be provided with an upstanding tubular member to which a secondary tubular conductor may be attached in the nature of a vent. A sleeve is engaged about the tubular member such as by a clamping member thereon with the upper portion of the sleeve being of a considerably larger diameter and provided with a plurality of circumferentially spaced finger-like sections which are frangible. The flanged fitting may thus be clampingly secured in an opening in a floor or a roof in a desirable location in an opening therein to serve an intended purpose.

Abstract: A floor or roof drain fitting includes a flanged tubular member for positioning in an opening to form a drain structure. A sleeve is engaged about the tubular member such as by threaded engagement therewith with the upper portion of the sleeve being of considerably larger diameter and provided with a plurality of circumferentially spaced finger-like sections which are frangible. Tubular members may thus be clampingly secured in an opening in a floor or roof to form a water tight drain fitting.

Abstract: A roof drain, for receiving rain water from a roof and conducting it to a drain pipe, includes a drain body made from polyurethane foam and having a flange integral with and adjacent to the inlet end of such drain body. A collar which makes sealing connection with the roof covering is attached to the drain body flange by molding the drain body in contact with a preformed collar of vinyl acetate ethylene material.

Abstract: A device is provided including a pair of base sections adapted to be joined together along a generally vertical plane in approximate alignment with a pipe or other object extending through a roof or supported therein, such sections including a pair of molded plastic-supporting parts and a pair of skirt parts of elastomeric material which have overlapping edge portions and which define a downwardly facing surface secured by an adhesive to the upper surface of roofing material to provide a permanent weathertight seal. A split boot is secured to the upper end of a tubular portion of the base sections and is of a stepped, severable construction for accommodating pipes or other objects of various larger sizes. Lips at the split of the boot are secured together by a channel-shaped metal clip. For smaller objects, a split plug is secured on the upper end of the split boot and has inwardly facing annular serrations for sealing engagement with an object.

Abstract: To form a seal between a roof and a pipe projecting through this roof, it is known to construct roof flashing structures having a flat plate which has a centralized opening and an upstanding tapered housing attached to the flat plate and extending around said opening. Such roof flashing structures can be improved by providing the top of the housing with an annular sealing ring seat which has an external wall formed as an extension of the housing wall, an interior wall, parallel to the exterior wall, and a top wall connecting the exterior and interior walls. These three walls define a channel within the housing. The channel opens in a downward direction toward the plate and a rib on a sealing ring fits into this channel and seats the sealing ring into the sealing ring seat.

Abstract: In a vent cover for use particularly with plastic piping, of the type that exhibits a high coefficient of expansion, the cover includes a sleeve that is rigidly fastened by means of an adhesive, or otherwise, through the agency of an adapter to the upper end of the vent pipe that projects through a flashing mounted upon the roof of a structure.

Abstract: A unitary roof flange provides a weather-tight seal for horizontally arranged pipes entering a pitched, shingled roof. The flange is formed in one piece of plastic material and has substantially flat upper surfaces, so as to present surfaces which are substantially parallel to the roof surface to facilitate the flow of water thereover. The pipe enters the inventive flange at a surface which is downwardly facing in relation to the slope of the roof. A rubber grommet is provided at the interface between the horizontal pipe section and the roof flange to form a weather-tight seal.

Abstract: A roof vent support arrangement for use in a roof structure including a roof deck and a built-up roof thereon and provided for supporting a vent pipe extending beyond the roof structure through an opening therein is disclosed herein. This arrangement includes a roof deck connector connected to the top surface of the roof deck directly over the vent opening in the deck and around the vent and a vertically adjustable tubular vent connector positioned over the built-up roof and around both the deck connector and vent. The arrangement also includes resilient members fixedly connected with the vent connector for allowing the deck connector to be readily inserted therein and, once inserted, for preventing its separation from the vent connector.