Abstract: A sheet metal ventilation louver is fabricated out of two types of blades, a center and a top/bottom blade, that are shaped in a manner that permits their slidable engagement with an outer support frame. The side panels making up the outer frame are fabricated out of sheet metal rectangles that have been bent, with slots formed in the bent areas at locations enabling the slidable receipt of the blades within the side panel slots. An outer frame then fits around the side panels, retaining both the side panels and their received blades in position, completing the ventilation louver.

Abstract: A garage door decorative cover assembly for use on an exterior surface of a garage door made of a plurality of door panels permitted to rotate relative to each other when the garage door moves from a closed position to an open position includes at least one flexible panel and, for each flexible panel, a first fixing means and at least one resilient second fixing means. Each flexible panel has a first end, a second end, a front surface and a back surface. With respect to each flexible panel, the first fixing means attaches the first end of the flexible panel to the exterior surface of the garage door, and the resilient second fixing means couples the second end of the flexible panel to the exterior surface of the garage door such that the flexible panel is held taut when the garage door is in both open and closed positions. The flexible panels are provided with fanciful holiday, seasonal, or other celebratory indicia.

Abstract: A flood or storm resistant barrier for a doorway or window opening. The barrier formed of a frame having two parts with one part in telescopic engagement with the other frame part. A manually operable jack in the form of four links pivotally connected to form a parallelogram linkage is inserted between the two frame parts. The jack being operable to move the frame parts relative to one another so as to vary the external dimension of the frame and thereby enable the frame to be secured in a doorway or window opening by expansion of the frame into engagement with opposed surfaces of the doorway or window opening. A waterproof barrier member is carried by the frame for blocking at least a portion of the doorway or window opening.

Abstract: Fire-resistant structures are provided having at least a 20 minute ASTM E-152 fire test rating. The structures include glass partition walls having framing members formed from a gypsum-containing composition having a density of at least about 60 lbs/ft.sup.3, a flexural strength of at least 30 lbs (1/2 inch thick material), and a screw-holding capacity of at least about 400 lbs. The gypsum-containing composition further contains a substantially uniform distribution of solids including about 65 wt. % to about 90 wt. % set gypsum dihydrate, about 7 wt. % to about 30 wt. % paper fiber, and about 1.5 wt. % to about 35 wt. % of one or more performance boosters selected from inorganic fiber, clay, vermiculite, and binder polymer.

Abstract: Eliminating a header and a footer as well as side mounts around a shutter system as original construction or retrofit by providing a frame structure which preselectively frames the enclosure and at its inner portion contains a frame mounting plate and a centerless thread former at one edge of the mounting plate oriented to be in close proximity to the opening in the enclosure is disclosed. Yet another feature of the present invention relates to the mounting of a composite panel or, indeed, shutter panels by which an insert receives a mounting bolt. The insert has an oblong hole passing through it with a header at one end.

Abstract: A weather barrier kit is provided comprising double-faced tape used to bond a film to a window frame and a folded and rolled sheet of film having a stiffening band and strip of adhesive across the top. The provision of a stiffening band with adhesive thereon across the top of the film allows one to apply the film squarely, without stretching and without the need of measuring beforehand.

Abstract: A window insulating air bag includes a bag body presenting a perimetrical seam therearound and an adhesive strip extending continuously around the seam to secure and seal the air bag to the interior frame of the window. The bag body is formed of first and second layers of elastic thin plastic film, with the first layer being thinner than the second layer. This relationship presents a ballooning layer upon bag inflation adapted to engage the window's casing but spaced apart from the interior surface of the window. Preferably, the second layer has an air valve formed therein for inflation of the bag. Alternatively, the air bag is used with a conventional storm window having a rigid self supporting sheet of glass adapted to be secured to a window's exterior frame with the flexible air bag as discussed above secured to the window's interior frame.

Abstract: A storm window or a roof or wall section of a building is formed form a plurality of double interlocking panels, each panel having left and right side strip sections of specific cross-sectional shapes that a locking force is developed between two panels when engaged at the strip sections. The locking force developed is proportional to a load applied against the panels. This increase in locking force between panels allows for the panels to be made from lighter stock material, yet still maintain the structural integrity that would normally be found in a heavier stock material.

Abstract: A window with an outer frame for mounting in a window opening in a structure this outer frame having on the sides thereof sash tracks or channels facing one another across the window space. Window sashes containing a single window pane are positioned between and securable in such channels in a manner allowing them to be slid therealong for opening and closing the window. Protuberances extending from the window frame secure the window sashes in the channels so as to allow sliding therealong, and removing such window sashes from those channels is accomplished by removing the protuberances therefrom. A blocking panel is positionable in the outer frame in the absence of such window sashes, and can be removed therefrom in the absence of such sashes but not when the sashes are present.

Abstract: A removable storm shield, and method of attaching a removable storm shield, to protect an opening in the wall of a building structure from damage caused as a result of foul weather conditions or other destructive acts. The storm shield includes a convex panel having a centrally located portion with a substantially singularly convex cross-section that resists exterior forces and a flat peripheral portion for stabilizing surface contact with the exterior wall, a plurality of fasteners to attach the convex panel to the wall, and a plurality of slots defined in the flat portion through which each fastener is slidably attached to the convex panel.

Abstract: A panel for covering building windows comprising a plurality of interlocking tiles interlocked together by a plurality of dovetail joints to form a panel of a desired size. The tiles are constructed of molded plastic. Reinforcing rods, metal or otherwise, may be placed horizontally along the panel and bolted to the window frame to give the panel structure added strength.

Abstract: The present invention provides, in one embodiment, an awning that permits light and air to enter the structure to which the awning is attached, that can be utilized to protect against major storms, and that can pass strict building code standards testing. The awning includes a perimeter framework that is adapted to receive a removable rigid support plate. In an alternate embodiment, the invention provides a shutter that is inexpensive, easy and quick to manufacture, that can provide protection against major storms, and that can pass strict building code standards testing. The shutter includes modular louver sections that have an integral rigid backing plate.

Abstract: A clean environment enclosure assembly (10) fabricated of a framework comprising a plurality of struts (18, 118, 218) with a plastic sheet (20) suspended between the struts (18, 118, 218) to define an enclosed space (12). A cap (22, 122, 222) is secured to and extends longitudinally along each of the struts (18, 118, 218), the cap (22, 122, 222) presenting a generally planar outer surface (24, 124, 224) and a groove (26, 126, 226) extending longitudinally there along. The sheet (20) is disposed in the groove (26, 126, 226) and overlays the planar surface (24, 124, 224) of the cap (22, 122, 222). A retainer strip (28, 128, 228) is retained in the groove (26, 126, 226) to sandwich the sheet (20) in the groove (26, 126, 226).

Abstract: An improved contaminant shield and method for making the shield, including one or more panels constructed of interconnected frame members, such as extruded aluminum, having longitudinal recesses and consisting of substantially closed sections in closed sections in cross-sections. Thin flexible sheeting is inserted within the frame members, and fastening members are used to frictionally engage the recesses and capture the sheeting in seli-tensioned position.

Abstract: A shutter assembly for installation on the outside of a building wall including one or two shutter panels fitted with top and bottom rollers moveable along tracks in a plane outwardly spaced from and parallel to the external wall. A rack is carried by each panel inside thereof and a pinion, meshing with this rack, is carried by a shaft extending through the wall and provided at its inner end, inside a building room with a crank wheel for moving the shutter panels between opened and closed position at the side and in front of a window opening respectively. The shutter panels are heat-insulated and are provided with seals to extend around the periphery of the window opening when the panels are in closed position to thereby form an air insulating chamber with a window unit within the window opening.

Abstract: A unique storm door construction utilizes economical, plastic glide channel strips disposed about fixed and sliding panes of glass to provide not only a weather seal, but also a means for interconnection to a storm door mounting frame within which the glass panes are mounted. The system also provides a top edge protector for the sliding pane, as well as a sash member with a finger grip thereon that can be used to raise and lower the sliding pane. The sliding pane member can thereby be raised to permit ventilation through a screen covering a portion of the rectangular opening defined in the storm door frame. Alternatively, the sliding pane member can be lowered to thereby provide a complete, transparent, weather-tight barrier across the enclosed rectangular area delineated within the storm door frame. The system provides a means for assembly of a storm door which allows the component elements to be snapped together without the use of screws or other metal fasteners.

Abstract: A decorative window well is provided with a plurality of planters coupled to the window well for supporting plants. The planters define a plurality of rows comprising a bottom row including a single planter, an intermediate row including a pair of planters, and a top row including more than two planters. The window well further has an arcuate lip integrally coupled to a top face thereof.

Abstract: A building aperture frame system including a window mounting surface and an integrally formed storm shutter mounting structure. The system may be comprised of first and second jambs, a header, and a sill, wherein the first and second jambs are vertical, the header is mounted to and traverses a distance between an upper portion of each of the first and second jambs and the sill is mounted to and traverses a distance between a bottom portion of each of the jambs. Each of the jambs has a width sufficient to traverse at least a portion of a distance between an interior and an exterior surface of a building wall defining a building aperture. Each jamb includes a mounting surface for a window unit and a shutter mounting structure for receiving a storm shutter. The storm shutter includes a shield member framed by a mounting brace wherein the mounting brace fits snugly within the shutter receiving structure.

Abstract: A sectional storm panel for covering an opening in a building is formed of a plurality of vertically elongated, narrow, corrugated panel sections that are manually assembled, in edge to edge relationship, from the interior of the building, from each side edge of the opening towards the opposite side edge to form a pair of co-planar panel portions that are spaced apart. The space between the panels is covered by a separate cover section that is inserted through the space, from the interior of the building to the outside of the building, and then positioned manually so that its vertical edges overlap the adjacent panel section vertical edges that define the space between the panel sections. The sections extend between a lower rail and an upper rail secured to the lower and upper edges of the opening, respectively.

Abstract: A hurricane shutter for a building opening closure having a window or door frame recessed from the outer face of the building a predetermined depth-wise distance, the shutter being composed of a pair of normally open doors swingable to a closed position with the doors normally flush with the outer face of the building and spanning the opening and a grid-like structure in the recess between the doors, when closed, and the recessed window or door frame to which the doors are releasably locked.

Abstract: A surprisingly durable, strong, outdoor window shutter without functional louvers or slats, which is substantially comprised of polyvinyl chloride, is described. The shutter preferably has a center panel onto which is laminated two back vertical members. This is preferably in the shape of a rectangle with two opposite edges into which stepped projections have been cut. The shutter preferably also has two vertical side members, each having a channel containing a strengthening rod. The vertical side members have stepped arms which fit closely over the stepped projections. Mortise and tenon joints are formed at the point of connection between the stepped projections and the stepped arms. The strengthening rods and the mortise and tenon joints serve to strengthen the shutter. Additional strength is provided by horizontal members affixed to the top, middle and bottom of both the front and the back of the shutter. These shutters have excellent structural rigidity and can last for many years.

Abstract: A decorative cover for a movable garage door and method of attachment thereof are provided that allow festive ornamentation of ordinary garage doors while maintaining full use of such garage doors. The decorative cover can be made of weather resistant material and printed with various festive designs on its surface. The decorative cover is installed by draping it onto the front of the garage door. The cover is then joined together by any of several tethering and attaching methods to secure the cover to the garage door to allow full opening and closing without the cover riding up or down relative to the door. The attachment methods also take up slack in the cover.

Abstract: A building extension having an external frame for supporting flat panels thereon with the flat panels secured to the external frame by a double-sided adhesive foam tape and having caps and flashings secured to the flat panels through use of double-sided adhesive fasteners to provide a waterproof roof unit which an individual can quickly and easily replace.

Abstract: A ventilation opening closure to close off a standard opening in a support structure such as a roof or wall includes a base and a cover plate. The base comprises a base ring, a seal ring between the base ring and the support structure, and a bevel-shaped seal ring to align and seal the cover plate with the base ring. The closure may include a pair of complementary hinges that the closure can be opened to the right or to the left. Alternatively, rather that the second hinge, the closure may include a latch means to more quickly shut the closure.

Abstract: A storm shutter for use in high wind severe storms, such as hurricanes and cyclones, that will protect windows, doors, and sliding glass doors on the outside of a building, which can be permanently or temporarily mounted, and which allow for protection in extremely high winds while permitting the transmission of light into the building, while allowing occupants in the building to look out through the storm shutters at all times. The storm shutters can also provide protection from intruders and ultraviolet rays from the sun when in place. Each shutter includes a rigid peripheral frame with a U-shaped channel, a polycarbonate transparent sheet, and an expanded aluminum element mounted snugly in the peripheral frame.

Abstract: The present invention provides a window screen having operators that secure the window screen relative to a window frame. A pair of single rail operators releasably secure the upper end of the screen relative to the upper end of the window frame. A pair of double rail operators releasably secure the lower end and sides of the screen relative to the lower end and sides of the window frame.

Abstract: A rain deflector for a vehicle roof vent consists of a pair of like panels one of which is fastened to the cap of the roof vent and moves therewith, and is hinged to the second panel which has the end remote from the hinge connected to slide along tracks on the vehicle roof. Each panel is substantially larger than the vent cap, to extend beyond the edges of the vent and prevents rain from entering the vent while permitting ventilation of air through the vent.

Abstract: A storm shutter retainer assembly featuring a header structure incorporating an elongated retaining channel defined by front, rear, and top flanges integrally attached to one another in at least partially surrounding relation to the retaining channel and defining the boundaries thereof wherein the upper peripheral edge of a conventional metallic or like storm shutter is retained within the channel. A connecting assembly includes a connector element mounted on and extending the rear flange at a particular upwardly angled configuration so as to resist upwardly directed cantilever forces exerted on the header structure by the storm shutter during severely adverse weather conditions.

Abstract: A storm shutter installation includes a pair of supports attached above and below a window to be protected. The supports include a pair of parallel channels to receive a pair of plywood panels. One or more removable brace are provided to support the plywood panels. The braces typically run parallel to the short dimension of the panels thereby reducing the unsupported long dimension of the panels. The braces are clamped together, thereby clamping the panels together and clamping the panels to the supports. The resulting storm shutter installation is substantially stronger, perhaps as much as an order of magnitude, than single plywood panel installations.

Abstract: A secondary interior window includes a rectangular frame having a first face, a second face, and an exterior peripheral edge. A peripheral groove is disposed along the exterior peripheral edge of the rectangular frame. A sheet of transparent polymer plastic is stretched across one of the first face and the second face of the rectangular frame and disposed in the peripheral groove. A compressible retainer is embedded in the peripheral groove thereby preventing withdrawal of the sheet of transparent polymer plastic from the groove and securing the sheet of transparent polymer plastic to the frame. The compressible retainer protrudes from the peripheral groove, thereby providing an exterior friction member by means of which the frame is held within an interior window cavity.

Abstract: A shutter for withstanding hurricane wind forces has an outer rectangular frame formed by four U-shaped channel members. An inner rectangular frame, also formed of four U-shaped blade channels, is mounted within the U-shaped channels of the outer frame. A plurality of Z-shaped blades extend horizontally between the vertical U-shaped inner blade channels and are secured in an angular position by fasteners. The blades each have a pair of horizontal end flanges which are secured at opposite ends to the inner frame, and have an intervening angled panel of reduced thickness to enable the blades to flex and absorb the wind forces. Longitudinal fins are formed on the inner frame channels and engage portions of the outer frame to radiate wind forces exerted on the blades to the outer frame. A pair of spring-biased plunger rods are mounted at the bottom ends of the outer frame for securing the shutter in a locked position.

Abstract: A window assembly for use in mass transit windows has a frame, a windowpane sized to fit within the frame, a removable sacrificial glazing panel covering or protecting one side of the windowpane, and a self-locking seal assembly biasingly securing the removable glazing panel towards the windowpane without the need for screws, drills or welds. The seal assembly has a first interlocking arm provided with a locking lip, and a second interlocking arm with a receiving groove which is biased from its free position into a locking position in locking engagement with the locking lip of the first arm. Preferably the locking arms are unitary with the seal assembly. The locking arms may be disengaged and the sacrificial glazing removed and a new sacrificial glazing panel installed without removing or disassembling other components of the window assembly.

Abstract: A gable vent assembly comprising a mounting ring and a cover member. The mounting ring includes a plurality of distinct lengths, one of which is formed in two parts to enable easy manipulation of portions thereof when the mounting ring is positioned over an opening in a wall having siding thereon. The cover member includes a plurality of shoulder portions which engage with securing grooves in the mounting ring such that the gable vent member may be secured to the mounting ring without the need for fastening elements such as threaded screws, staples or the like. The cover member and mounting ring are also adjustably positionable relative to each other to accommodate different thicknesses of siding.

Abstract: The invention relates to a flexible storm resistant system for installation in openings of a dwelling. The system consists of hinged support braces that are installed in the lateral walls of an opening. The braces have horizontally extending threaded bolts placed inwardly from their ends. The braces also have retainer pins at each of their ends to be received in bores of the lateral walls. A panel having a periphery larger than the opening is received onto the bolts of the braces and rigid splints having holes corresponding to the location of the bolts are received over the panel and over the bolts to sandwich the panel between the supporting braces and the splints. There are nuts at the ends of the threaded bolts to apply appropriate pressure to the above noted sandwich.

Abstract: A window draft shield having at least one flexible window for preventing draft from infiltrating into a building. The window draft shield has at least one roller, each of the rollers having at least one flexible window mounted thereon and for dispensing and retracting each of the respective flexible windows; an exterior frame for supporting the rollers, the exterior frame having a plurality of locking clamps for locking the flexible windows into place and creating a seal between the flexible windows and the exterior frame when the flexible windows are dispensed; and a plurality of mating interior support frames adjoined to the exterior frame and for adjoining the window draft shield to a window casing.

Abstract: The invention is directed to a pollution abatement apparatus for use during a polluted window frame (or other polluted structures) removal in order to prevent toxic material from entering the inhabited areas of the building. The apparatus includes a rigid unitary member adapted to fit against the polluted structure within the interior of the building and to surround the polluted structure in an air-tight manner as the polluted structure is being removed from outside of the building. The rigid unitary member is capable of being height adjusted and clamped between the floor and the ceiling after the "rough" and "fine" height adjustments have been made.

Abstract: A ventilator for a glass block window is provided that has a high insulation value, is simplified in construction, and is easily repaired. The ventilator includes a unitary frame arranged to be accommodated in the glass block window and a sash for selectively closing and opening the central opening of the frame. The sash includes a unitary sash frame, an insulated glass window assembly inserted into the sash frame through an open front side of the sash frame, and spring clips which releasably retain the window assembly within the sash frame. The frame, the sash frame, and the spring clips are each vinyl extrusions. The ventilator also includes a bubble seal at an interface between the frame and the sash frame when the sash is closing the central opening of the frame. The seal is integral with the sash frame and preferably is coextruded with the extrusions of the sash frame.

Abstract: A bar device which can be installed in a window opening to which a sheet of covering material can be secured to protect the window from flying debris resulting from a storm such as a hurricane, tornado, etc. The bar device includes a turnbuckle which is threaded on its opposite ends. Threaded rods are threaded into the turnbuckle. A threaded bolt is secured in some manner to each of the threaded rods to extend perpendicular thereto. A supporting pad is secured at the ends of the threaded rods and the supporting pads are forced against a wall elements defining a window opening in order to secure the bar device in the window opening and a protective cushion is provided on the supporting pads to prevent marring the window opening. Once the bar device is secured in the window opening, the covering sheet such as plywood is secured in place by passing the threaded bolts through suitable holes in the covering sheet and then securing the covering sheet in place by a washer and nut applied onto the threaded bolts.

Abstract: A new Window Board system for offering a quick and easy way to insulate and fill a window opening. The inventive device includes an upper window insert end, a lower window insert end, and a compressive spring area. In use, the Window Board System (10) is compressed and fitted into a window frame (16) with the desired message (40) showing in the desired direction. The Window Board System (10) is placed into the window frame (16) when ever one desires to muffle noise, increase insulation value, or block out light. This can be done as often as one chooses, for example, put it in at night and take it out in the morning to make it darker, save on winter heat, and cut down on electrical bills.

Abstract: A detachable panel or grill for covering an opening in panelling of a wall or ceiling or in an appliance. The panel can be installed quickly and rigidly without the need for any special framing. The panel or grill can be installed or removed by the rotation of a single screw which passes through a threaded opening in an elongate fastening arm. The arm extends generally parallel to an inner surface of the panel during use thereof. The arm is pivotable relative to the panel between a first position usable for insertion of the arm into the opening and a second position used for clamping the panel to edge structure defining the opening. A slideway is connected to an inner surface of the panel and limits the extent of pivotal movement of the arm. The screw extends through a hole in the panel and connects the arm to the panel. A spring biases the arm so that it pivots towards the second position.

Abstract: The present invention provides a window screen having operators that secure the window screen relative to a window frame. A pair of single rail operators releasably secure the upper end of the screen relative to the upper end of the window frame. A pair of double rail operators releasably secure the lower end and sides of the screen relative to the lower end and sides of the window frame.

Abstract: A track assembly for mounting storm panels on the outside of a house or a building to protectively cover windows includes an elongate, extruded rail having a rear surface, a front face, top and bottom edges, an elongate channel formed through the length of the rail between the rear surface and front face, and an elongate exposed slot extending along the front face and communicating with the channel. The channel is structured to receive an enlarged head portion of a bolt with the bolt stud extending outwardly through the slot for receipt through an aperture in the storm panel. A wing nut is fastened to the bolt stud to secure the storm panel against the track assembly.

Abstract: An apparatus for securing a free edge of a security cover relative to a free edge of a finery case containing jewelry, precious metals and the like. The apparatus includes an elongate coupling member having first and second open channels formed therein. The free edge of the security cover is fastened within the first open channel. An elongate locking channel includes an elongate coupling edge and a J-shaped cross section, with the coupling edge fastened within the second open channel of the coupling member. The second open channel of the coupling member and the coupling edge of the locking channel include correspondingly-shaped cross sections having corners to enable the coupling edge to interlock within the coupling member. The locking channel is configured and dimensioned to interlock around the free edge of the finery case when the cover is placed against a sidewall of the case and further secured relative to the case, to thereby secure the free edge of the cover relative to the free edge of the case.

Abstract: A storm shutter assembly comprising a plurality of panels designed to be disposed in an operative position defined by overlying, covering relation to doors, windows, and like structures or openings of a building. Each panel includes an oppositely disposed longitudinal edge specifically structured, disposed and configured to provide an interlocking engagement with a correspondingly positioned longitudinal edge of a next adjacent one of the plurality of panels so as to define a substantially closed seam along a common length of the interlocked adjacent panels, wherein the closed seam is resistant to separation as well as the passage of moisture under high wind conditions therethrough.

Abstract: A decorative cover for a movable garage door and method of attachment thereof are provided that allow festive ornamentation of ordinary garage doors while maintaining full use of such garage doors. The decorative cover can be made of weather resistant material and printed with various festive designs on its surface. The decorative cover is installed by draping it onto the front of the garage door while the garage door is in its open position. The cover is then wrapped around the garage door and top and bottom ends of the cover are joined together on a back side of the garage door by any of several tethering methods to secure the cover to the garage door.

Abstract: A frame assembly for a door light is formed with inner and outer half-frames sandwiching a translucent panel. The half-frames are separately and similarly formed of sheet material, each with a plurality of substantially similar side members defining a closed polygon. Each side member includes, in cross-section, a flat portion for supporting the frame in an opening in a support, a face portion extending from the flat portion towards the center of the polygon, a third portion extending inwardly from the face portion toward the other half-frame and to a position adjacent the translucent panel, a fourth portion extending from the third portion parallel to the face portion and away from the center of the polygon, and a fifth portion extending inwardly from the fourth portion toward the other half-frame and about a peripheral edge of the translucent panel. Fasteners couple the half-frames and secure the half-frames in the support opening.

Abstract: Openings such as those for attic staircases may be covered with a multipocket member having top, side, and end pockets in which insulation can be placed. The side pockets are of longer length than the top pocket. When the side and end pockets are pivoted downwardly from the top pocket and provided in box-like configuration, the insulation at the pivot edges is compressed thereby filling up these edges.

Abstract: A wall panel system includes various components that permit the wall panel system to be removable in its entirety after installation. The wall panel system is also adjustable to accommodate variations in mounting surface dimensions. Components of the wall panel system include slotted backing boards configured to retain the panels in place, mounting boards and molding caps. Panels of the system are sandwiched between the mounting boards and molding caps and are attached to slotted backing boards and decorative molding for panel securement.

Abstract: A draft insulator kit for use with an attic pull-down staircase comprises a dimensioned enclosure held together with plastic rivets and resting on weather stripping placed directly on the framing around the pull-down staircase. The edge of the box rests on the weather stripping to seal against drafts. The insulator can be covered with fiberglass batting to increase R value but is itself a cost-effective seal against drafts. It can be folded for increased shipping efficiency, is made of low cost cardboard, and has low manufacturing costs. As a result, its payback time to the consumer is less than one season.

Abstract: A protective grille assembly mountable over a window opening in a wall, includes a grill panel having a plurality of parallel, spaced, vertical bars fixed to a plurality of parallel, spaced, horizontal bars. The grille panel is of larger dimensions than the window opening such that the ends of the bars along at least one side project past the respective side of the window opening when the grille panel is mounted thereto. A plurality of fastening brackets mount the grille panel to the wall to cover the opening. Each bracket includes a loop section for slidably enclosing an end of a bar at the projecting side of the grille panel, and a fastening section for fastening the bracket to the wall after the loop section, while enclosing an end of a bar, has been slid along the respective bar to a location where the fastening section can be fastened to a mounting surface of the wall.