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: Weights in the form of water-filled flexible tubes are attached onto the pressure supported roof membrane of a building. The weights contour the membrane from a single dome into smaller elongated domes. The decreased radii of curvature of the smaller domes substantially reduce both the stress within the membrane and tension exerted by the membrane on the building walls.

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) of 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: This patent covers a chimney in prefabricated modular elements, normally but not exclusively to be built outside buildings.The flue stack consists of two modular prefabricated elements (A,B) to be assembled by progressive raising. The first element (A) is consisting of an outer covering pipe (1) usually having a square cross section, an intermediate pipe (2) usually having a circular cross section and an internal liner (4) usually having a circular cross section, all pipes being rectilinear and interconnected by stirrups, while the hollow space between outer (1) and intermediate pipe (2) is filled with insulating material (3). The second element (B) has normally a shorter length than the first and consists of an outer envelope (pipe) (1), an intermediate pipe (2), both rectilinear, while the internal pipe (4) has a bend or branch at its lower end for connection to the exhaust of the various users.

Abstract: A roof mounting 1 for use in giving a rise pipe 2 access through a roof 3 comprising a plate 4, 22 having a circular hole 5 therein, a connector 6 embodying a spherical formation 7 which fits closely in the circular hole in the plate, the connector having a passage therethrough and being shaped to receive the rise pipe, and, mounting means 9, 16 for mounting the connector to the plate in a manner permitting the connector to be pivotted relative to the plate, the roof mounting in an operative position being located with the plate parallel to the pitch of the roof and with the connector aligned with the rise pipe.

Abstract: A prefabricated roof flashing system for weatherproofing the intersection of an upright wall or a chimney structure and an includined shingled roof. The flashing system includes one or more inclined segments, one or more transverse segments and one or more corner segments. The system may either be applied at the intersection of a chimney and an inclined roof, or may be applied at the intersection of an upright wall and an inclined roof. The inclined segment includes sub-segments interfittable between shingles to form a weathertight seal therewith. The inclined segment may either be composed of aluminum sub-segments or plastic sub-segments. The inclined segment may be an extruded, one-pieced segment having been folded over onto itself and fastened.

Abstract: A closure is provided for temporarily sealing a roof vent. The closure has a resilient core receivable within the opening of the vent, the core pressing against the sides of the vent to hold the closure in place. A mounting plate carries the core, and the mounting plate limits the entry of the core into the vent. The mounting plate also includes a handle for manipulation of the closure. The mounting plate is formed of somewhat stiff material. A center section receives the core, and opposed end sections have cutouts shaped to match the core, the end sections being folded over to hold the core in place. Staples or other fastening devices hold the end sections against the center section.

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 one piece pourable sealer pocket includes a flexible support strip bonded to a strectchable water impervious membrane strip. The membrane strip has an exterior surface which is not tacky and an interior surface which is tacky. A portion of the membrane strip extends above the collar and a portion extends below the collar. In application, the collar is fastened surrounding a projection in a roof and the lower portion of the membrane is stretched to form an annular flange around the collar bonded to the roof surface. The upper portion of the membrane strip bends over the collar to form a continuous upper water impervious barrier around the collar. This pourable sealer pocket is easy to construct and easy to apply in the field.

Abstract: A vent pipe roof mount that is attached directly to the inclined roof and forms the sole support for a vertical vent pipe extending through the roof with the roof mount simplifying the installation of a vent pipe since cutting the hole in the roof, installing the roof mount and installing the roof jack can all be done in one operation while on the upper surface of the roof with the roof mount of this invention also eliminating any other hanging support device for the vent pipe with this device being especially useful in houses that do not have a basement.

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: Fifteen prefabricated refractory concrete blocks, consisting of ten different sizes and/or shapes assemble to provide a replacement firebox of U-shape with facing side walls joined by a rear wall. In one embodiment a metal lintel is disposed at the front upper boundary of the structure produced from the fifteen blocks, the lintel resting on the side walls bridging the opening therebetween and defining the upper boundary of the hearth opening. A masonry transition cone is erected atop the side walls and lintel. In a second embodiment, trapezoidal sheet metal panels are assembled to form a transition cone above the U-shape structure. The bottom courses are produced from blocks that are in the form of oblique rectangular parallelepipeds. These are arranged so that the joints are staggered vertically. The upper portion of the rear wall below the transition cone is formed from oblique trapezoidal prismatic blocks. Certain of the blocks in addition are truncated.

Abstract: A roofing slab with vent opening which is arranged in a central region thereof and is limited by a peripheral edge collar and over which a cover extends in hood-like manner. A hose connection pipe directed towards a bottom side of the roofing slab is coordinated with the opening. The edge collar projects beyond the bottom side of the roofing slab and extends into a dish, and the hose connecting pipe projects on the bottom of the dish.

Abstract: A flashing for a roof top vent pipe includes a frusto-conical shield member to enclose a portion of the vent pipe and a support base with a central longitudinal axis extending lateral longitudinaly thereof for mounting and securing upon the roof top. An annular upper portion of the shield member sealingly engages around the vent pipe. A pair of laterally spaced elongated stiffener beads extend along the under side of the base upon opposite sides of the longitudinal axis in engagement with the rooftop for stiffening and reinforcing the base at its exposed forward edge against upward bending and flexing under wind pressure to exclude water and debris.

Abstract: The invention provides a chimney structure comprising a base member of fireproof material and a hollow metallic core resting on said base member enclosed in an outer shell which is spaced from the latter. The core comprises a stacked series of individual hollow stainless steel sections joined together to define a vertical flue of the required length extending upwardly from the base member having at least one opening at a desired height above the base suitable for use as a clean-out and/or appliance connection. The shell is a vertical enclosure surrounding and spaced from the core and comprises vertically stacked box-like units assembled from four calcium silicate panels each and holding blocks separating the units from each other vertically, the lowermost unit resting on the base member.

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: The present invention provides a pitch pan with just two J-shaped sections. The long leg of one J-shaped section is aligned with the short leg of the other J-shaped section, and vice versa; and the legs of the two J-shaped sections are provided with positioning surfaces which permit the long and short legs of the J-shaped sections to be shifted relative to each other to define adjustable-length walls at opposite sides of a filler-receiving recess. That two-section pitch pan is covered with water-impervious skirting before it is delivered to the job site. All an installer need do is to align the two sections of that pitch pan, secure them to each other and to the roof with fasteners, use a cement or adhesive to seal the skirting of those sections to the roof, use a cement or adhesive to seal an overskirt in position at each of the two sides of the pitch pan where the skirtings of the two sections confront each other, and then fill the filler-receiving recess defined by that pitch pan.

Abstract: Disclosed is a corner gap support used in conjunction with flashing applied to seal the seams created at the junction of a housing erected around a port in a surface, with said surface. As fabricated, the device is adapted both to fill corner gaps in said flashing and to act as a support for patching material used to seal said gaps.

Abstract: In its preferred embodiment, the improved frame-supported membrane has a membrane of light-gauge, corrosion resistant nickel alloy construction, this membrane being suspended within a base-supported frame. The membrane-to-frame hanger is designed for easy installation and provides for radial expansion of the membrane relative to the frame, yet restrains the membrane against implosive force and earthquake shear. For some installations, the improved frame-supported membrane may constitute the chimney without need for there being further provided a circumferentially surrounding masonry chimney column. In any event such a masonry chimney column if provided may serve primarily merely as a wind shield for the improved frame-supported membrane.

Abstract: An improvement to a universal flashing for roof top and vent pipe geometries characterized by differing pipe diameters and roof slope angles. The present improvement relates to a ring collar assembly which comprises a plurality of stepped sealing portions, each portion adapted to engage a different vent pipe diameter and frangibly be separated from the wall of said body member, wherein for a given pipe diameter a sealing portion further comprises a set of first and second projections disposed generally perpendicular to the flashing body centerline, each extending from a proximate end to a distal end which defines a circular flange surface spaced first and second dimensions about the centerline. The first dimension is less than the second dimension and both first and second dimensions are less than the outer diameter of the given pipe diameter for which sealing engagement is desired, and the projections are of a uniform thickness less than the wall thicknesses of the body member.

Abstract: A plastic sewer vent line extending through the roof of a building is provided with a defroster for preventing blockage of the vent line by freezing and the consequent back-up sewage gas into the building. The defroster is located above the roof and includes a metal pipe, e.g., of copper, having its bottom end coupled to the plastic sewer vent line and provided with an electric heating coil in contact with a portion of the exterior thereof. An outer shell is spaced outwardly from and surrounds the exterior of the pipe and has a top sealed to the pipe top and a bottom sealed to the roof to provide an annular providing an insulating effect and enhancing the effectiveness of the heating element. A heat limiting switch is provided to prevent overheating.

Abstract: An automatic electric cable passage closure and sealing device, for positioning in an opening in a structure such as a floor or wall, etc., for passing or connecting a cable or cables and cable conduits therethrough, the device automatically expanding and sealing itself and the cables and cable conduits in the structural opening on occurrence of excess heat or fire. The device comprises a hollow conducting casing to be positioned in a cable or conduit passage in the structure, said casing having novel means effectuating automatic movement and expansion of intumescing, fire retarding, means on occurrence of fire or highly elevated temperatures, said intumescing means pressing through the cables insulation and onto the conductor wires interiorly of the cables.

Abstract: The invention contemplates a fireplace comprising a stacked plurality of courses of modular prismatic blocks laid upon a base to define a firebox region of opposed side walls and a rear wall contiguous thereto. In one embodiment the blocks are characterized by at least one horizontal surface having external horizontal channel formations and by limited vertically extending end passages such that one or more vertically serpentine continuous air-flow ducts are established through successive horizontal channels in the stacked plurality of courses of the walls. Above the firebox region, and surrounding an associated chimney region, the wall-block courses continue, providing extension of the air-flow duct system into additional heat-exchanging relation with the chimney.

Abstract: An insulating sleeve designed for positioning over a sewer vent pipe associated with a dwelling includes a tubular-shaped member constructed of insulating material which is covered by a protective outer shell. Additionally, the ends of the sleeve are provided with watertight seals and a roof shield may be utilized to effectively attach the sleeve to a roof. The sleeve is designed to prevent frost and snow buildup within a sewer vent pipe in cold climates.

Abstract: The invention relates to a tubular reaction furnace for the indirect heating of crackable fluids, particularly for cracking hydrocarbons used for the extraction of gas rich in CO and H.sub.2. The furnace has a plurality of vertical reaction tubes arranged in a firing chamber which is heated by a plurality of internal burners mounted in the furnace ceiling, the flue gas being withdrawn via an appreciable number of flue gas ducts on the furnace floor. The invention primarily relates to furnaces in which cracking takes place at high pressures and temperatures and which are installed on floating carriers, i.e. floating plant platforms.

Abstract: A prefabricated fireplace comprises a firebox and flue enclosed by concrete cast as a unit. The firebox has inner walls defining a fuel box in which combustion occurs and outer walls which define a circulation space around the fuel box for room air to be heated. The fuel box is sealed from the room by glass doors which open to supply fuel and, when closed, allow light and heat to pass, and oxygen reaches the fire through an outdoor duct. The prefabricated fireplace has around its base edges a plurality of weldplates which allow quick installation by welding to metal base plates cast in the foundation. The prefabricated fireplace may also include means to interface with home forced-air and water heating systems for heating of air and water.

Abstract: A sleeve protector for venting pipes comprising a tubular member attached on one end to a flat portion in an angle that follows the slope of the roof where it is being used and a protector cap reciprocally mounted on the other end of said tubular member and having a plurality of annularly spaced clamps adapted to lock to the ribs formed on the outside wall of said tubular member.

Abstract: The ventilation air terminal device for supplying heated, air conditioned or ventilating air to an enclosure comprises cylindrically tubular transition with a mounting bracket thereon for mounting the terminal device with respect to the wall, ceiling or floor. The terminal device extends through an opening in the wall, ceiling or floor, and the mounting bracket secures it flush with the inside of the wall, ceiling or floor. A dome-shaped, circular air diffuser secures over the front of the terminal device to direct air discharging therefrom.

Abstract: An insulated metal chimney lining, having constant loading spring suspension from the chimney column, is provided at the lower portion of a brick chimney lining to form the breeching entry. To provide additional thermal expansion capacity, an expansion joint may be incorporated in the metal liner.

Abstract: This economical construction process utilizes preconstructed and modular techniques to erect single and multiple commercial, industrial and residential units what may be required to be built in urban or remote areas with a minimum of erection labor. The resulting product includes a pyramid-like section suspended from a centrally located chimney that also serves as a structural element both during construction and thereafter. Another embodiment uses a structural truss in lieu of the chimney for final support purposes.

Abstract: A roof flashing and counter-flashing assembly for providing a fluid-sealing passageway for pipes, tubes and conduits through the roof of a building including a sleeve anchorable at one open end to the roof about the roof opening through which the pipe, tube or conduit passes, a roof flashing member having a sleeve portion slideably mateable about the other sleeve and a radially-extending flange portion about the one end of the sleeve portion positioned immediately over the anchorable portion of the sleeve, a cap to sealingly cover the unanchored open end of the sleeve and having an opening therethrough through which the pipe, tube or conduit will pass and a pair of receptacles therein, an annular seal disposed between the cap and the sleeve and the cap and the roof flashing member, a double sealing washer slideably mateable about the pipe, tube or conduit and adapted to seat about the opening in the cap, a retainer clamp having an aperture therein to fit freely over the pipe, tube or conduit and a pair of add

Abstract: A roof mountable pipe flashing unit allows penetration of the roof surface by a single pipe while effectively weather-proofing the site of penetration. A selectively separable sealing element enables a weathertight seal to be formed with pipes whose diameters fall within a selected range.

Abstract: A prefabricated structural system including a support frame and prefabricated panels having strength sufficient to bridge spaced support beams under the panel is disclosed. Each panel includes a sheet metal support subpanel having corrugations, a thin flat metal sheet as a top surface, and a layer of insulating foam filling the space therebetween. A Hypalon membrane is intimately and continuously bonded to the thin, flat metal sheet and has Hypalon fasteners disposed along each edge of the Hypalon sheet and connected to the Hypalon sheet by flexible flaps. The panels are disposed in a continuous array and fastener halves are joined and the corners sealed to provide a continuous Hypalon membrane unpenetrated by fastener screws above the array of panels.

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 fireplace heating system is provided having a fireplace box having a fireplace opening therein, a heat chamber surrounding said box, a plurality of spaced generally vertically extending flues connected to said fireplace box and holding said box suspended generally centrally of said heat chamber, said flues being adapted to carry the exhaust gases from the fireplace box, a hot air distribution duct connected to said heat chamber and surrounding the said flues over a portion of their length, said distribution duct having discharge vent means into the room being heated, a pre-heat chamber spaced from the heat chamber and the hot air distribution duct and surrounding said flues over a second portion of their length, a cold air inlet connected to said pre-heat chamber, a blower connected to said pre-heat chamber on the side of the pre-heat chamber opposite the cold air inlet receiving preheated air passing around the second portion of said flues from said pre-heat chamber for delivery to the heat chamber and chi

Abstract: A foundation is provided and includes an upstanding perimeter wall structure enclosing a generally circular plan area of the foundation. The perimeter wall is supported from the foundation and a central upstanding roof support column is also provided and is supported at its lower end from the foundation centrally of the area enclosed by the perimeter wall structure. The column is tubular and a support frame encircles and is supported from the upper end of the column at a level spaced above the upper portions of the perimeter wall structure. The support frame is spaced outwardly of the column and downwardly and outwardly inclined roof rafter members are spaced about the column in generally radial planes with their upper innermost end portions anchored relative to corresponding portions of the frame and their lower outermost end portions anchored relative to corresponding upper marginal portions of the perimeter wall structure.

Abstract: Box for mounting diffusers, wherein the main body of the box is made of expanded plastic or other similar material, and wherein one or more connection elements are molded within the walls of the box to provide for connection of the box to a building structure and to a duct, and to reinforce the box.

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.

Abstract: The prefabricated construction comprises a framework comprising a lower structure, an upper structure and vertical uprights interconnecting the structures. Each structure comprises a substantially rectangular frame which has at each corner a vertical corner member. The corner members are adapted to fit with the uprights and detachable means are provided for fixing and guiding the corner members and uprights.The upper and lower structures may be placed directly together with the component parts of the construction enclosed between these assembled structures for transporting the construction.

Abstract: An improved single unit multi-purpose roof penetrating curb. The curb is a plastic box with one large upstanding inverted cup-like section on the top surface thereof. Four smaller upstanding inverted cup-like sections are equidistantly spaced on the upper surface of the large cup-like section. The plastic box has a flange integrally attached at the base. The flange completely surrounds the perimeter of the box eliminating the need for separate flashing.

Abstract: A pre-built, transportable root cellar having an open bottom, side walls, an insulated top and air vents.