Abstract: The invention disclosed herein is directed to a fire retardant head-of-wall assembly configured to seal a linear head-of-wall construction joint or gap when exposed to a heat source such as a building fire. The inventive fire retardant head-of-wall assembly comprises a header track having an elongated intumescent strip affixed lengthwise on at least one of the outer sidewall surfaces of the header track. When exposed to a heat source such as a building fire, the intumescent strip is able to expand so as to at least partially fill the head-of-wall construction joint or gap; and in so doing, retard or prevent the spread of smoke and fire. The inventive fire retardant head-of-wall assembly has been certified as complaint with respect to Underwriters Laboratories, Inc.'s standards set forth in its Tests for Fire Resistance of Building Joint Systems—UL 2079.

Abstract: Gutter devices for keeping debris out of a gutter are disclosed.

Abstract: A system for waterproofing a basement or similar structure including a horizontal section disposed on the top surface of the structure's foundation footer, and a vertical section that extends from the horizontal section in communication with the structure's foundation wall. The horizontal section includes a top surface, side walls, and a bottom surface that define a central drainage area, the side walls include lower apertures. The vertical section includes front and back surfaces, the back surface includes an edge having passages in fluid communication with the lower apertures. The vertical section includes an upper flange that protrudes a distance from the back surface such that the lower edge and flange portion abut the interior surface of the foundation wall.

Abstract: In regards to the invention titled “External Wall Panel Unit for Saving Energy and External Wall Structure System Using the Same,” there are an external wall panel unit and an external wall structure system for saving energy. The external wall panel unit is attached to an external wall structure (1) of a building to form an external wall of the building, and includes: an external frame (10); a frame rainwater tube (20); a frame duct (30); and a window (40). The external wall structure system using the external wall panel units is installed in such a way that a plurality of the external wall panel units are arranged and mounted vertically and horizontally.

Abstract: It is disclosed a floor covering on a substrate with wooden floors, a method for covering a substrate with a wooden floor, and the use of a studded plate for covering of a substrate with a wooden floor, wherein: a substrate is covered with a bonding adhesive, the substrate and bonding adhesive is covered with studded plates, the studded plates covered with an adhesive on which a wooden floor is fixed.

Abstract: The invention is an assembly for use in construction. In one embodiment, the invention is an assembly for connecting structural elements including an engaging member, a coupling member, and an elongate member. In another embodiment, the invention is a manifold assembly for use in construction including a manifold, an engaging member, and an elongate member. In yet another embodiment, the invention is structural assembly having dynamic constructive elements, manifolds, and a controller, wherein the controller regulates the environment within cavities of the dynamic constructive elements and conduits of the manifolds.

Abstract: This functional system for a cement mortar panel (102, 135, 160, 196, 216) with prestressed biaxial reinforcement (136, 161) consists concretely of a system contributing to the physical and formal and to the handling and use in conditions of maximum safety and efficiency of a panel (102, 135, 160, 196, 216) of the type prefabricated with cement mortar having prestressed biaxial reinforcement (136, 161) in which the cement mortar panel has embedded in the mass thereof versatile operating means (100, 157, 171, 175, 196, 217) on the panel ensemble (102, 135, 160, 196, 216) allowing for the handling and/or fixing thereof to suspension means to the structure of a building, of means controlling seismic phenomena and the settling movements of the building, means reducing damp inside the building and means reducing the infiltration of damp inside the panel.

Abstract: Disclosed herein is a roofing ventilation system component and methods of installation of the same. In one embodiment, the component includes a fiber matting strip of air-permeable compressible nonwoven fibers and a thermoplastic polymer binding agent. The fibers may be polyester and nylon. The fiber matting may be installed in connection with a ridge vent, roof rafters and a fascia, or hip or ridge shingles.

Abstract: A roof vented closure strip 200 comprises profile piece 210, filter material 220, and top layer 230, the strip manufactured with at least two different materials combining to fill the space between a ridge cap 140 and a sloped roof 112. The profile piece includes a lower surface 213, side surfaces 215, a front exterior surface 216, a rear interior surface 217. The strip is disposed on the sloped roof such that a lip is formed between strip rear interior surface, and the ridge slot. Filter material fills between the profile piece, the top layer, the front exterior surface, and the rear interior surface wherein the rear interior surface slopes at an angle 206 toward front exterior surface, and one or more moisture channel 250 extends laterally across the width of the strip, such that moisture flows from the lip down and drains through the moisture channel exiting the structure.

Abstract: A vented soffit panel is provided. The soffit panel includes a first panel section, a second panel section and a vent channel. The vent channel is positioned between the first and second panel sections and extends along a width of the soffit panel. The vent channel has a generally dove-tailed shape defined by a first sidewall extending from the first panel section at an acute angle relative thereto, a second sidewall extending from the second panel section at an acute angle relative thereto and a top wall extending between the first and second sidewalls. The top wall has at least one row of openings extending substantially along the width. The row of openings in the top wall being positioned such that when the panel is installed the row of openings are obscured from a view of an ordinary observer by at least one of the first and second panel sections.

Abstract: A cover for a board is disclosed and comprises a sheet. The sheet has a pair of sides and a pair of ends. The sheet, in use, is disposed lengthwise upon said board. For and extending from each side of the sheet is provided a flange, the flange being either fixed at about 90 degrees to or pivotably attached to the sheet. The flanges, in use, extend in a common direction from the sheet, on opposite sides of said board.

Abstract: In an embodiment, a deck drainage system has a water-receiving structure locatable under the deck and a gutter connectable to the deck adjacent to an end of the water-receiving structure for receiving water from the water-receiving structure. The water receiving structure comprises a plurality of interconnected troughs. Each trough of the plurality of interconnected troughs includes first and second opposing sidewalls. The first sidewall of a respective trough comprises a tab and a second sidewall of the respective trough comprises a channel. The tab of the first sidewall of a first trough of the plurality of interconnected troughs extends into the channel of the second sidewall of a successively adjacent second trough of the plurality of interconnected troughs.

Abstract: A sump system for use in basement waterproofing systems. A sump liner may be generally rectangular in geometry, and may include two side elements with apertures to exchange groundwater while blocking debris. An adjustable inlet may be provided in another side element to fluidly connect other elements of a basement waterproofing system to the sump liner. The sump liner may further include a base configured to provide a built-in stand for a sump pump. The pump stand may contain a lip with notches to allow debris to fall and collect in a trough around a periphery of the base. The base may further provide an underside cavity for accommodating an obstruction in the floor of a sump hole. A removable lid may facilitate access to the sump liner interior, and may contain a break-away feature to accommodate discharge piping, as well as a groove to lodge a pump power cord. The sump liner may be strategically oriented within the sump hole to protect the basement foundation from erosion.

Abstract: A building module. The building module has a rigid inner construction panel defining a planar surface thereon; one or more rigid brackets each affixed by one or more mechanical fasteners to the planar surface of the inner construction panel; a rigid, closed-cell, spray foam or adhesive matrix contiguous to and substantially covering the planar surface of the construction panel and filling and surrounding and/or embedding at least a major portion of the one or more brackets. Each of the one or more brackets bears a planar surface facing substantially away from the planar surface of the inner construction panel. The surface area of the planar surface of each of the one or more brackets is substantially smaller than the surface area of the planar surface of the construction panel to which it is affixed. There is also a method for making a building module, a method for constructing a building using the building module, and brackets useful in the building module.

Abstract: A dynamically adjustable floor tile for a data center including a plurality of perforations; and a dynamically adjustable aperture, wherein opening the aperture exposes one or more of the perforations to airflow through the floor tile and closing the aperture blocks one or more of the apertures to airflow through the floor tile.

Abstract: A building system utilizing commercially available component parts, preassembled into panelized and modular components that are easily and quickly assembled and disassembled, and a lightweight compact building system for efficient transport and assembly, not requiring a central manufacturing plant or specialized construction details. A building system to provide for numerous building floor plan layouts and configurations, and a building system that provides for the reuse of the building system component parts to construct permanent structures of virtually any size, floor plan layout, or architectural style.

Abstract: A rigid rectangular construction panel, such as a floor panel, has quick release connections along its edges. The panel is made from composite materials in a single work piece. The base of the panel is made up of pillars to separate the body of the panel from the underlying construction surface, such as a concrete slab or wall. The base defines a fluid flow field to permit drainage and drying of the underlying construction surface. An impermeable moisture barrier may be provided to prevent migration of moisture into or through the panel. The panel may be provided with an added, removable surface layer which may be selectively removed and replaced without removing the underlying panel from an installation area. The core of the panel may be provided with a temperature modification element which may interconnect with similar elements in neighboring panels.

Abstract: A combination through-wall masonry flashing/drainage device having a flashing membrane with at least one reinforcing cloth adhered to at least one side of the flashing membrane. A wicking cloth made of a synthetic wicking material is then adhered to the device. The wicking cloth material is selected for wicking ability, life expectancy, mildew resistance, and strength characteristics.

Abstract: A tilt assembly is used with a solar collector assembly of the type comprising a frame, supporting a solar collector, for movement about a tilt axis by pivoting a drive element between first and second orientations. The tilt assembly comprises a drive element coupler connected to the drive element and a driver, the driver comprising a drive frame, a drive arm and a drive arm driver. The drive arm is mounted to the drive frame for pivotal movement about a drive arm axis. Movement on the drive arm mimics movement of the drive element. Drive element couplers can extend in opposite directions from the outer portion of the drive arm, whereby the assembly can be used between adjacent solar collector assemblies in a row of solar collector assemblies.

Abstract: A roofing system in a building structure having a ridge vent includes strips of composite material having a base material adapted to form a hermetic seal with the top surface of a roofing section and recesses in a top surface in which an air permeable material can be positioned. A strip is applied to roof sections adjacent to each side of a ridge vent so that a ridge cap can overlay the strips in spaced relation from the underlying roof sections and be sealingly secured to the roof sections. The strip material establishes a barrier between the ridge cap and the roof sections through which air can pass, but through which the passage of rain and insects is inhibited.

Abstract: A height-adjustable shower waste for a bathroom floor having a non-flexible waterproof floor covering material, the shower waste comprising a waste body (12) for mounting in the bathroom floor and having a base (20), one or more sides extending from the base (20), a waste water inlet (26), and a waste water outlet (30) connected or connectable to a drain; a cover support element (16) on which a cover element (18) is or can be provided to cover the waste water inlet (26); distance setting means (54, 66) for selectively setting a distance between an in use upper edge of the cover support element (16) and the waste body (12); and retaining means (90, 104) for positively retaining the cover support element (16) at the said set distance. A method and an adapter device are also provided.

Abstract: An apparatus and method for a drainage system of an exterior wall of a building comprising insulation having a rear face for contact with the exterior wall of the building and a drainage plane positioned on the rear face for removal of water from the exterior wall.

Abstract: The present invention provides a system, or kit, of blow molded panels having integrally formed connectors which combine to form an enclosure, commonly in the form of a utility shed. The corner sections, roof, wall and floor panels are formed of blow molded plastic with integrally formed connectors to interlock with one another. In one embodiment, the ends of the wall panels have locking plugs that are constructed and arranged to fit into corresponding sockets and slide to an engaged position for interlocking cooperative engagement rigidly connecting the components together.

Abstract: Devices, methods, and systems are provided herein for spacing an outer skin of a roof from the supporting structure of the roof such that the roof shields against weather elements, admits light, and allows advantageous air circulation. In one embodiment, a wedge-shaped device for spacing panels on a roof includes a bottom surface, a top surface inclined at an angle relative to the bottom surface, and an integral support structure connecting the top surface and the bottom surface, the support structure including a plurality of ribs and a plurality of nail boxes.

Abstract: A system and method for providing a deck drain vent system is disclosed. The deck drain vent system includes at least one panel disposed below a lower surface of a deck. The panel is substantially planar and has a bottom side and a top side facing and spaced apart from the lower surface. At least one vent penetrates the panel to allow fluid communication between the cavity and the bottom side. The deck drain vent system further includes a shaft lock secured to the vent. The shaft lock hinders liquids and debris from entering the vent, yet allows air to freely circulate between the cavity and a surrounding atmosphere.

Abstract: A vented ridge closure for covering a ventilation gap formed in the metal roof of a building includes U-shaped deck caps extending over the uppermost ends of the roof deck panels. The deck caps close-off the valleys of the roof deck panels, while providing air flow openings for directing hot air to the exterior. The air flow openings may be louvered. A ridge cap extending along the ridge of the roof above the ventilation gap. Side flanges of the ridge cap engage top panels of the deck caps, and are secured by fasteners to ribs of the underlying roof deck panels, or by inwardly-turned lips to the peripheral edges of the deck caps. Sealing material is preferably provided between a central panel of each deck cap and the abutting uppermost ends of the roof deck panels engaged therewith.

Abstract: A drainage system comprising a frame and a plurality of drainage basins. The frame has at least three pairs of frame engaging elements. Each drainage basin has an outer and an inner surface. Additionally each has a central region with first and second side ends, as well as, first and second frame engaging structures. The first frame engaging structure is positioned at the first side end and includes an inwardly directed leg having a retention lip engagement flange configured to engage one of the frame engaging elements. The second frame engaging structure is positioned at the second side end and includes an inwardly directed leg having an inboard retention lip engagement nub and an outboard retention lip engagement flange configured to engage opposing adjacent frame engaging elements. A slot covering flange extends over the first frame engaging structure.

Abstract: A method of attaching a cap shingle on a roof ridge line structure includes providing a plurality of risers configured to be flexed for alignment with the opposed roof planes, flexing and positioning the risers over the ridge line structure, and installing a series of the risers in an partially overlapping manner along the ridge line structure by fastening the risers to opposed roof planes. Cap shingles configured for attachment to the risers are flexed and attached to the risers. A roof structure installed according to the method is also provided. A ridge line roofing assembly comprising a series of partially overlapping risers molded together is also provided.

Abstract: A roof ventilator mount for mounting a roof ventilator onto a gable-type roof (21), the roof ventilator including a roof ventilator base (10) defining a cupola mounting portion (25) for mounting a cupola (12) thereto, the roof ventilator mount comprising: a first mounting component (26), the first mounting component (26) including a first mounting plate (48) mountable to the roof (21); a second mounting component (26), the second mounting component (26) including a second mounting plate (48) mountable to the roof (21); the first and second mounting components (26) being mountable to the roof ventilator base (10) with proximal edges (47) thereof located substantially adjacent to each other and distal edges (49) thereof located spaced apart from each other; the first and second mounting plates (48) being each provided with a breakable segment (66) extending from the proximal edge (47), the breakable segment (66) being breakable from the remainder of the mounting plate (48) along a predetermined break line locat

Abstract: Mortar and debris collection systems for cavity wall construction and/or walls constructed from concrete masonry units (CMU), for example, include a mesh body made of a material that is formed with circuitous paths therethrough making the body water-permeable. The mesh body is formed of a material having enhanced hydrophobic properties. The mesh body has a porosity sufficient to permit water to pass therethrough but insufficient to permit mortar and other debris to pass therethrough to weep holes or other water channels covered by the collection debris.

Abstract: A rain collecting wall system comprising a plurality of interlocking wall components each with a chamber for storing water; sets of teeth disposed on either side of the wall components, the sets of teeth allow the wall components to be arranged to form a structure wherein the first set of teeth of a first wall component engages the second set of teeth of a second wall component; an aperture disposed in each set of teeth adapted to receive an anchor for supporting the wall component in an upright position; structural supports for helping the wall components resist bowing; at least one water access point disposed; and a mounting system for attaching building materials or shelving systems to the wall components.

Abstract: A roof or wall covering comprising a plurality of horizontal courses of molded plastic panels each formed with a single row of simulated shake shingles. The panels have a continuous upper interlock flange that facilitates inner-engagement of the panels of overlying courses without cumbersome handling of numerous small interlock fingers which can be missed during installation. Cooperating detents are provided between the overlying lower and upper marginal edge regions which facilitate proper positioning of the panels and which support the weight of the panel during securement to a wall surface. A bottom interlock flange is supported transversely across a rear side of the panel by vertically-spaced support plates which facilitate both liquid drainage and air circulation through the installed wall covering. In the preferred embodiment, the panels in alternate courses are identically formed with different shake patterns for enhancing the natural appearance of the wall covering.

Abstract: The present premanufactured structures for constructing buildings comprises a construction system for an energy efficient multi-story building with a plurality of standard single or mixed units.

Abstract: A rigid faced foam cored panel system utilized to produce an insulating finishable surface in interior and exterior applications. The long edges of the rigid foam panels may be indented to form a recessed space for tapping, applying joint compound and assisting in achieving a level finished surface. The inside surface of the rigid foam panel may be radiant reflective with air spacers attached to the reflective surface to produce the needed air space for effective radiant heat reflection. The interior application may entail using the rigid foam panel both as insulation and as a finishable varied color painted or textured wall or ceiling surface. In exterior wall or other exposed surface applications the insulating rigid foam panel may be covered with moisture resistive coverings such as stucco style textures.

Abstract: A modular fitted flooring system includes a plurality of bearing plates (2) and a plurality of panel elements (3) designed to be hooked onto the bearing plates (2), the bearing plates including a plurality of supporting elements (7), a panel hooking element (13), and elements (14) for bearing the load of the panel elements, and being complete with jointing elements (20, 21) for connecting one bearing plate (2) to the next, the panel hooking element (13) consisting of a plurality of teeth designed to engage in grooves (17) provided on at least two edges of the panel element (3), the teeth (13) being arranged on the plate so as to create a gap between one panel element and the next in a direction (Y) crosswise to the direction of installation (X) of the panel elements.

Abstract: Roof panels and roof panel assemblies, comprising roof panels and ridge beams, assemblies are disclosed for use in building construction. The roof panels and ridge beams comprise components formed of composite materials, and certain aspects of the invention include designs that provide for the absorption of solar heat and the promotion of hot air flow within the roof to heat the interior building or generate electricity, among other attributes.

Abstract: A subflooring water and radon gas channeling system consisting of a plurality of elongated hollow channeling units with holes in each side thereof connected to one another on each side of a basement region of a building with ends of certain of such units being also connected to ends of each of a plurality of corner connector units with one channeling unit having a sensor through hole for receipt of a water level sensor and another through hole atop which is mounted a spout for receipt of one end of a hose and with all components resting on inner foundational footings located below basement flooring for purposes of beridding the building of water and radon gas.

Abstract: A stadium and arena seating system is provided which utilizes concrete tread surfaces and metallic or other non-concrete vertical risers therebetween. The concrete treads have front and rear embeds embedded within the front and rear ends of the treads respectively. The embeds comprise a metallic or other non-concrete material similar to the vertical risers. The vertical risers are arranged in a shingled or other self-sealing fashion between the embeds of the treads to provide water and debris shedding. In certain embodiments, an overlapping vertical riser may be used which provides water shedding without the need for embeds within the concrete tread surfaces.

Abstract: A modular building panel and integrated duct system including at least one modular building panel. The modular building panel includes a panel frame defining a longitudinal, a transverse width, and a transverse height; first and second ducts including therein duct stiffeners being truss or zig-zag shaped; and a ribbed joist spanning between the first duct to the second duct along the transverse width. The modular building panel may be connected to a like modular building panel.

Abstract: A fascia vent for a roof structure includes a fascia board for attachment along the lower ends of roof rafters that support a roof deck above an attic space. The fascia vent has an exposed outside face and an inside face at least partly exposed to the attic space. In one embodiment, a plurality of slots are formed along the inside face of the fascia board with a lower end of the slots communicating with ambience along the bottom edge of the fascia board and an upper end of the slots communicating with the attic space. In another embodiment, a plurality of spaced vent pockets are formed in the inside face and a slot is formed along the bottom edge of the fascia vent communicating with the vent pockets. In still another embodiment for installing along the longer rafter tails of wider rafters, the fascia board is wider and plunge cuts are made along the bottom edge of the fascia board to form a flow path to the vent pockets and thus to an attic space.

Abstract: Disclosed herein are embodiments of foam backing panels for use with lap siding and configured for mounting on a building. Also disclosed are lap siding assemblies and products of lap sidings. One such embodiment of the foam backing panel comprises a rear face configured to contact the building, a front face configured for attachment to the lap siding, alignment means for aligning the lap siding relative to the building, means for providing a shadow line, opposing vertical side edges, a top face extending between a top edge of the front face and rear face and a bottom face extending between a bottom edge of the front face and rear face.

Abstract: An exterior insulation and finish system (EIFS) is provided for use with associated insulation and substrate layers of a building. The system includes primary and secondary water resistant barriers on first and second surfaces of the associated insulation layer. The secondary water resistant barrier includes a single adhesive and sealing layer defining at least one channel and adhesively securing the second surface of the associated insulation layer to the associated substrate layer. The system is usable with a plurality of associated insulation layers disposed in abutment, the single adhesive and sealing layer defining at least one channel extending from the first insulation panel to the second insulation panel and being adapted to conduct fluid therethrough. Further, a hand tool for working the adhesive and sealing layer is provided.

Abstract: Disclosed herein are an above deck ventilation system for a roof, and related methods of installation, having a ventilation medium sandwiched between a roof deck and a roof covering providing air channels between the roof deck and the roof covering. In one embodiment, a roofing system is provided, and may comprise a roof deck and a roof covering. In addition, the roofing system may comprise a ventilating medium disposed between the roof deck and the roof covering, where the ventilating medium may have a plurality of open air chambers disposed between a top sheet and the bottom sheet and traversing the length of the ventilation medium.

Abstract: A water deviation unit for external wall features comprises a frame shaped plate adaptable to be attached to a sheathing of a composite external wall and a box like subassembly projecting outwardly from and connecting to the frame shaped plate and provided centrally with a relatively large aperture. The box like subassembly includes: 1) a pair of spaced apart walls extending outwardly and perpendicularly in vertical planes from adjacent sides of said relatively large aperture and continuing above the latter; 2) upper and lower means for inclining used to deflect outwardly the water and connected laterally respectively at a top and a bottom of the pair of spaced apart walls; and 3) means for controlling an entrance and a withdrawal from an interior of the composite external, disposed between and joining the spaced apart walls.

Abstract: A masonry flashing for use in a cavity wall is disclosed. The flashing has channels for draining water from the cavity while permitting entry of air into the cavity. The top surface of the flashing is covered by a protective member. The protective member is a scrim or, in the extruded form, an overarching portion of the flashing material. The protective member prevents the clogging of channels from mortar droppings and other construction debris. The flashing is shown with a drip edge is formed by extending the flashing beyond the external surface of the outer wythe and, with the edge being foil lined, manually forming the drip edge. A peel-and-stick embodiment described herein utilizes clear, nondrooling adhesives. Flashing accessories, namely, an end dam, an inside corner and an outside corner are also described.

Abstract: A wall section for a tower of a wind turbine is provided. The wall section includes an inner edge surrounding an opening of the wall section and a protrusion protruding in a thickness direction of the wall section and extending transverse to the thickness direction. Further a wind turbine tower is provided. The wind turbine tower includes a tower wall portion and a wall section as described above. The wall section is connected to the tower wall portion at least at a portion of an outer edge of the wall section.

Abstract: A new concept wall system is provided, wherein the Exterior Insulation and Finish System cladding is created using components with no water absorption, a very low vapor permeability and sealing properties, accommodated with an installation technology which extend the materials properties to the assembly, together with bonding and sealing the intersections and terminations, creating a Non-Permissive to water and vapor diffusion, Exterior Insulation and Finish System (NP-EIFS). The present invention relates to an EIFS cladding having two air and vapor barriers, one applied to the substrate, a continuous liquid membrane with sheathing joints sealed to be moisture barrier for inside vapors, and an exterior weather and vapor barrier which is created using closed cell extruded polystyrene insulation boards, special assembled with joints sealed, to create a non-permissive insulation envelope of the enclosure.

Abstract: Integrated multi-layer roofing that includes energy-conserving reflective layers and insulation can be pre-fabricated in sheets, panels, or even complete pre-sized roofs. Recycled polymers can be used for some or all of the layers, and other recycled materials such as fiberglass can be used in the insulating layer. Some versions of this integrated roofing can be installed directly over roofing beams, greatly reducing the time and expense of installation. The polymer construction makes this roof lightweight and long-lasting. The reflective properties allow for increased energy capture by solar panels and reduce the ground-level effects of greenhouse gases in the atmosphere.

Abstract: A wall system includes a first wall section a structural portion, such as concrete block construction. A second wall section mounts to the first wall section and includes insulating panels connected in an edge to edge relationship to form a continuous insulating layer. A third wall section of conventional finishing materials such as drywall, paneling or exterior finish layer mounts over the second wall section. Each of the insulating panels includes mounting elements at least partially embedded therein that provide for mounting the panels to the first layer and for mounting the third wall section to the second wall section. Each of the panels is lightweight and may be water impervious. The panels have ridges formed therein that define channels for routing wiring and other components. The panels also include complementary edges and complementary alignment features.

Abstract: The invention provides an environment-accessing structure for providing environmental access to the interior of a building through an aperture in the roof. The environment-accessing structure can provide natural day-lighting by use of a skylight lens as the closure member, or a smoke vent which can be opened and closed. Such smoke vent can be transparent or translucent to natural sunlight, or can be opaque. Such environment-accessing structure is installed in an aperture in a metal roof. The system limits opportunity for water leakage from the outside environment. The environment-accessing structure includes a rail and closure structure adapted to be supported by adjacent rib elevations of adjacent roof panels, a closure panel adapted to be supported on the rail and closure structure, and a diverter which seals a cut away portion of the rib structure and diverts water laterally away from the rail and closure structure.