Abstract: A metal frame construction for residences having gabled or hipped roofs which is readily adaptable to form any of the typical gable or hip roof variations used in residential plans designed to be built using wooden framing. The frame construction includes a primary rigid frame and one or more secondary ridge beam/column frames joined to the primary rigid frame to form a new and different framing system for any of the typical residential gabled or hip roof plans.

Abstract: An adjustable overhang panel positioned on the eave of a roof of a building which can be extended to provide shade in the summer or retracted in the winter for increased sun exposure is disclosed. The lateral edges of a rigid panel are slidably positioned within parallel tracks which may be incorporated in extensions of the roof rafters. When extended, the panel is maintained in position by gravity. The panel includes an extended lip portion on the inner edge thereof for securely engaging inner portions of each of the parallel tracks for maintaining the panel in a stable, retracted position. The present invention is applicable to new buildings as well as existing structures by extending the roof rafters as support for the parallel tracks within which the overhang panel is positioned.

Abstract: A building and method of constructing same is provided which utilizes a substantially continuous vapor barrier enclosing two or more stories of a building. The second story floor joist assembly is supported on an inner wall assembly in the first story. A roof assembly which covers the entire building is supported on an outer wall assembly in the first story. A continuous vapor barrier encloses the inner wall assembly and all living areas and is positioned between the inner wall assembly and the outer wall assembly. A truss shoe and tie plate connect the outer wall assembly to the inner wall assembly through the vapor barrier so as to maintain a predetermined spaced relationship between the inner wall assembly and the outer wall assembly.

Abstract: A roof edge assembly includes a resilient member secured to the roof structure of a building. The resilient member has at least one sloping portion protruding upwardly and inwardly and serves to mount and support a fascia member on the edge of the roof structure. The assembly also functions to anchor the periphery of a sheet-like roofing material as well as acting as a gravel stop or barrier preventing water and other substances from falling off the edge of the roof.

Abstract: A drip edge roof moulding for placement at the lower edge of an inclined roof beneath the roofing to direct flow of water away from the fascia board which comprises an elongated strip comprising a first flat portion adapted to be positioned beneath the roofing, a second flat portion extending downwardly from the lower edge of the first portion at an obtuse angle with respect to the first portion, a third portion extending along the second portion toward the first portion, a fourth portion extending along the underside of the first portion, a fifth portion extending downwardly at an acute angle approaching 90.degree. from the fourth portion and adapted to engage the fascia board, and a sixth lip portion extending downwardly and outwardly at an obtuse angle to the fifth portion.

Abstract: An overhanging gable structure for buildings in which the overhanging gable is supported by a series of tubular metal members which are secured within brackets that are attached to the frame of the building and disposed between the top plate of an outer wall of the building and the line of the rafters of the roof of the building.

Abstract: A hollow building element of a plastics material comprises an upper wall, a lower wall, a pair of opposite side walls interconnecting the lateral edges of the upper and lower walls, a joining member in the form of a cylindrical, slotted, downwardly open flange provided at the upper edges of each side wall, the lower end of a side wall being integrally connected to an anchoring element for anchoring the building element to a support and the lower end of the opposite side wall being integrally connected to a guide member adapted to engage the anchoring member of an adjacent building element so as to maintain the lower ends of two adjacent side walls in spaced relationship and so as to form a tight connection between such elements.

Abstract: A building structure includes outer walls, a roof including a lower border that overhangs at least one of the outer walls, and a frame for supporting the outer walls and roof. The frame includes a frame member forming part of an upper portion of the one outer wall. The frame member has a top edge adjacent the roof and a bottom edge. A wall panel is secured to the frame adjacent the bottom edge of the frame member, such that the panel forms the lower portion of the one outer wall. The structure also includes at least one spacer member supported on the top edge of the frame member. The spacer member has a side surface that forms the upper portion of the frame and a top surface at an acute angle with respect to the side surface that supports a roof member to provide the lower border of the roof. The building structure also includes a shelf member positioned between the top edge of the frame member and the bottom surface of the at least one spacer member.

Abstract: The invention is an improved roof structure for trailer or mobile type homes. The roof structure of this invention is affixed to a mobile home directly over an existing roof structure on the trailer or mobile type home. The improved roof structure of this invention may be used to provide additional insulating properties and to save energy. A greater value and use of the present invention is that it is designed to be affixed directly over the existing roof of the trailer or mobile type home without removing the old roof. This is cost effective and is especially useful when the existing roof needs repairs or has deteriorated to a point where it must be completely replaced.

Abstract: A roofing structure is disclosed having a layer of blocks of insulating material supported on a roof deck and featuring a hermetic seal encapsulating a limited part of the insulating material layer and which completely envelopes selected insulation blocks covering at least portions of the deck periphery to effect wind uplift resistance.

Abstract: A coping system for covering the top of a wall comprising an inverted U-shaped cleat which is covered by a coping panel. The cleat has an anchor leg adapted to be secured to a first side of the wall and extends upwardly above the plane of the top of the wall. The top leg of the cleat is secured to the portion extending above the top of the wall and is resiliently biased into engagement with the top of the wall. The cleat overhangs the second side of the wall and has an interior leg extending downwardly from the top leg on the inside of the wall. The cleat is covered by a coping panel which engages the anchor leg of the cleat and is fitted over the top leg and interior leg of the cleat. The cleat and panel are secured together by means of a mechanical fastener on the inside of the wall. The coping system generally includes a plurality of cleats placed at intervals along the wall and adjacent coping panels which are adapted to be attached to the cleats to enclose the top of an entire wall.

Abstract: A roof edge assembly includes a resilient member secured to the roof structure of a building. The resilient member has at least one sloping portion protruding upwardly and inwardly and serves to mount and support a fascia member on the edge of the roof structure. The assembly also functions to anchor the periphery of a sheet-like roofing material as well as acting as a gravel stop or barrier preventing water and other substances from falling off the edge of the roof.

Abstract: A two-piece snap-lockable facia border for use around the peripheral edge of a flat-roofed building structure. A base member of the border includes a raised box-like enclosure defining a compressive engagement structure, and a fastening strip for fastening the base member to the respective top and side corner surfaces of the roof is provided on each elongate side thereof. One fastening strip depends from the box-like enclosure so as to be fastenable to the side surface of the structure, includes an engagement skirt angled slightly outwardly from the bottom thereof. A cap member of the facia border is complementarily shaped as the base member so that when snap-locked thereover layered roofing material can be compressively anchored therebetween. The cap member includes a rounded edge engageable with a side wall of the box-like enclosure, and along the opposing edge of the cap member a hooked edge is engageable with the base member engagement skirt.

Abstract: Apparatus for flashing rooves, particularly inclined rooves, around vent pipes or the like using a relatively thin sheet of material to surround the pipe (10) and form part of the roof. The apparatus comprises an inner sleeve member (12) adapted to fit over the pipe (10) and pass through a hole in said sheet which accommodates the pipe. The sleeve (17) has an inclined flange (13) which bears on the underside of said sheet (11). A further similar sleeve (16) is adapted to fit over the inner sleeve (12). The outer sleeve (16) has a flange (17) which bears on the upper surface of the sheet (11) and a locking cap (18) threadably engages the upper end of said inner sleeve (12) in a manner forcing the outer sleeve (16) downwardly such that the two flanges (13, 17) clamp the sheet therebetween.

Abstract: The covering is composed of alternate broader lower strips (1) and narrower upper strips (2), the outer surfaces of which strips are concave and convex, respectively. The strips are resiliently connected to one another and to fastening brackets (3) by means of interengaging longitudinal edge zones (6, 11, 14) on the strips and the brackets. The profile of each edge zone (6) of the lower strips (1) is S-shaped and includes a convex portion (7) engaging with a concave surface on an edge zone (14) of the bracket, and a portion (8, 9, 8', 10) which embraces the edge zone of the bracket. Each edge zone (11) of the upper strips (2) embraces the outermost portion (9, 8', 10) of an edge zone of a lower strip.

Abstract: An improved roof edge structure of the type providing a gravel stop and a water dam around the periphery of a roof deck is described. The roof edge structure features a novel cant securing assembly which includes a cant member and a retainer member. The cant member has a flange portion adapted for flush surface engagement with a top surface of the roof deck, an inclined sheet portion sloping upwardly from the flange portion generally toward the edge of the roof deck, and a generally vertical sheet portion turned downwardly from the inclined sheet portion. The retainer member is adapted to be fastened to the top surface of the roof deck and has a securing means for confining the movement of at least the vertical sheet portion of the cant member.

Abstract: An edge structure for a flat roof comprising a cant, a fascia member, and a deformable pressure clip held in a compressed relationship between the cant and the fasicia member.

Abstract: In a building which includes outer walls, a roof having a lower border that overhangs one or more of the outer walls, and a frame for supporting the outer walls and roof. The structure embodying the present invention includes a frame member forming an upper portion of the outer wall beneath the overhanging roof border and a wall panel forming a lower portion of the outer wall. The frame member has a top edge adjacent the roof. A roof support member is mounted on the top edge of the frame member at an acute angle to the outer wall to provide the lower border of the roof. The frame member also has a bottom edge which includes a rabbet for receiving the wall panel.

Abstract: A collapsible dwelling is provided, including a plurality of elements hingedly joined with each other, which, when in assembled relationship, cooperatively define a protective enclosure suitable for pets, or, when constructed on a larger scale, for young children. All elements are hinged strategically so that the elements can be partially disassembled and the aggregate parts stacked, one upon the other, for inclusion within a container having a length and width no greater than that of the largest elements. At least two anchoring loops are attached at opposing sides of the dwelling and are so situated that ground stakes capturing the loops can be driven into the supporting surface to positively locate the dwelling. The dwelling is designed to be packaged within a rectangular container with one of the anchoring loops coinciding with a cutout in the container, which loop, when drawn through the cutout, serves conveniently as a carrying handle.

Abstract: An improved construction and method of assembly for applying vinyl soffit and fascia panels to a cornice of a structure precludes the usual time-consuming process of installing the soffit panels one at a time by sliding them through supporting channel or by flexing the panels. The construction includes an improved corner member having outer and lower legs which is fitted adjacent to the bottom of the fascia of the cornice. The corner member includes a lock leg depending from one of the outer and lower legs, and is adapted to engage outer edge portions of the soffit panels and a lower edge portion of the fascia panel whereby the installation of the soffit panels may be accomplished in an efficient and straightforward fashion.

Abstract: A building block for prefabricated constructions comprises a wall portion and a covering portion made of expanded plastics material.A number of through-tubes run vertically along the wall thickness of the wall portions, the covering portion being united by joints and adhesives to the wall portion unless they are moulded as a single entity. The tubes and the open spaces serve to receive a concrete casting which unites all the component parts of the block together to form a single rigid entity.

Abstract: A valley strip for conducting runoff from the line of intersection of two intersecting roof surfaces of pitched roof comprises an elongated sheet member having a defined channel portion with a bottom wall and opposed vertically extending sidewalls formed between opposed flanges. The recessed channel portion can handle larger precipitation runoff flows, minimizes runoff from one surface flowing over the strip flange underlying the opposite roof surface, and provides for placing the bottom wall of the valley strip in supportive relationship by the underlying roof structure.

Abstract: A verge member (1) for a pitched roof comprises a tapered planar portion (2) and a pair of flanges (5) and (6) defining a channel (7) for capping the edge of a tile. Also provided is a third flange (8). To assist in interlocking of members, and to improve appearance, along the upper edge of the member is provided a longitudinally extending protruding element (14). Element (14) is provided with a tongue (15) at one end, and the other end of the member is provided with a cut-out (21) to assist in interlocking with the tongue. In a roofing system incorporating the verge members, the members are telescopically engaged and cap the complete verge of the roof.

Abstract: A press lock fascia-cant system for installing on a building roof to secure the roof membrane in a watertight fashion. A cant member is secured to the roof adjacent the building wall and has a spring clip member secured thereto. The edge of the roof membrane extends upwardly over the cant and over the spring clip member and then downwardly along the outer surface of the spring clip member. A fascia member is detachably secured to the spring clip member and presses the roof member into engagement with the cant member and the spring clip member to maintain the roof member therebetween.

Abstract: A ceiling system for a small building includes panels that span the space between the side walls of the building and rest on end caps that extend over the upper edges of the walls for the building. The end caps have upwardly directed sections which, along with facia trim strips, obscure the peripheral surfaces of the panels. Each panel includes a surrounding metal frame having inwardly turned flanges and a composite filler member formed from an upper protective layer, a lower decorative layer, and an intermediate insulating layer. The sides of each frame are configured to interlock the panel of that frame with the frames of the adjacent panels, and are further configured to enable the panels to pivot into interlocking engagement.

Abstract: A roof construction disposed for superimposing upon an existing roof to provide for heat insulation and water-proofing employs a novel interlocking panel construction which facilitates assembly and insures water-tightness as well as providing for insertion of insulating material. It is especially adapted for a mobile home application but may also be used on other house structures.

Abstract: A roof edging mechanism is shown as comprising a dam means adapted to be secured to the edge of the roof and to support a waterproof membrane, the dam means including an inclined portion having a lower edge engaging the roof and an upper edge, and a vertical portion having an upper edge connected to the edge of the inclined portion and a lower edge. The roof edging mechanism also includes a snap-on cap for covering at least a portion of the dam and for clamping the membrane against the dam. The snap-on cap includes a vertical portion adapted to overlie the vertical portion of the dam means, the vertical portion having a lower edge including means adapted to engage the lower edge of the vertical dam portion.

Abstract: Accessories for use in installing metal shingles to a roof have convertability and simplicity features. One of the accessories can be used as a starter strip at the edge of the eaves. It can also be used as a gable strip at the end of the gables. This accessory has two flat portions formed transverse to each other with a channel located at the corner between the two sections. At the edge of the eaves, the channel is oriented on top of the decking for receving the locking flange of a conventional metal shingle. At the edge of the gable, the channel is oriented vertically, next to the fascia board, for receiving a downwardly bent edge of a conventional shingle. The valley base consists of two flat portions with an upwardly facing channel located in the center. The channel receives downwardly turned edges of the adjoining shingles.

Abstract: A conjoint facia, hood and water dam is provided having dam and first engagable means affording dam means with ridge structure, and first engagable means. Sheet roofing leading onto the dam means is clamped to the ridge structure by clamp means subsequently to be covered by a facia and hood member, the latter having hood structure and facia means with second engagable means extending from the facia means. The first and second engagable means together form restraining means to be engaged for maintaining the facia means horizontally laterally restrained and the first engagable means includes detaining means for detaining the facia and hood member against upward movement relatively to the dam and first engagable means with the restraining means being engaged.

Abstract: An integral airtight layer in the floor, the walls and the roof surrounds the entire useful space of a house or other building. The tightness of the layer is tested before the flooring and inner wall linings are mounted. The airtight layer is made of a diffusion tight material so that it serves as a vapor barrier. The vapor barriers in two stories of the building can be united by a non-diffusion tight layer that encompasses an intermediate floor structure. The resulting building will be practically completely air tight.

Abstract: A series of rectangular sheet metal roof and wall panels include generally flat inner and outer corrugated skin portions rigidly connected by corrugated web portions to form parallel spaced primary corrugations. A fabricated sheet metal ridge beam rigidly connects the inner skin portions of the roof panels on opposite sides of the ridge to transmit tension forces, and connects the outer skin portions of the roof panels for transmitting compression forces. Inclined inner eave attachment plates or panels rigidly connect the skin portions of the roof and wall panels, and the inter-fitting web portions of the roof and wall panels are connected to form a building structure which has substantial total strength and may be easily and quickly erected without the use of a crane. Each of the panels in the wall assembly and roof assembly is prepunched and may be formed from a single metal sheet which has a single major corrugation or from a sheet having a Z-shaped lateral configuration.

Abstract: A combination fascia and G-trim moulding is disclosed comprising, firstly, a J-trim moulding in two pieces each having a generally L-shaped profile singly and a U-shaped profile when secured together; and, secondly, a fascia moulding having a vertical portion and a horizontal portion, the latter having a downwardly extending flange at its free edge; the flange engaging a longitudinally extending deep slot formed in the attaching branch of the upper piece of the J-trim.

Abstract: A prefabricated building of symmetrical polygonal shape secured onto a concrete slab and symmetrical about a vertical central axis, the building having vertical columns in each polygonal corner and the columns being joined by perimeter beams extending therearound parallel to the slab to form a substantially closed main framework. The building further includes roof beams supported entirely by the columns and extending diagonally upwardly and inwardly to an apex member which joins them. The columns have connectors attached to them to receive the ends of the perimeter and roof beams which comprise two C-shaped members disposed back-to-back with their webs slightly spaced by internally mounted spacers. Prefabricated side and roof panel members enclose the framework, and are made thick enough to hide the beams and the columns and to lap each other to form an inclosed structure.

Abstract: A verge or soaker system for a pitched roof having a number of overlapping tiles or other individual roofing units. The system comprises a plurality of overlapping, individual members. Each member has a channel adapted to cap the upper and lower faces of a tile, adjacent the tiles free edge. Each member advantageously has a longitudinally extending planar portion tapering in height from one end of the member to the other, and a pair of longitudinal, parallel, spaced flanges normal to said portion, and defining the channel.

Abstract: An auxiliary insulated roof system for mobile homes, metal buildings and the like includes a generally continuous panel structure of insulation material, a plurality of insulated support blocks for supporting the panel structure in clearance relation above the building roof surface and a plurality of fastening brackets for securing the panel structure to the building sidewalls. The insulated support blocks may include a base plate having a stud extended from one side for penetrating the panel structure and a block of insulation material secured to the opposite side thereof. The insulation blocks may be connected to elongated straps at spaced-apart positions therealong with opposite ends of the straps secured to the building sidewalls for partially securing the panel structure in place. A trim strip covers the fastening brackets and opening between the panel structure and roof surface.

Abstract: An improved building eaves construction and eaves shield in which the shield comprises a first plate angled to match the pitch of a building roof underlying its normal roof covering, a second plate oriented to fit flush against the fascia board or exterior wall siding forming the roof edge, and a central, overlapping portion overlaying the roof edge and connecting the two plates. This central portion forms a downwardly opening channel into which the inner wall of a conventional gutter is inserted for attachment with the second plate to the fascia board or exterior wall siding to thereby prevent excess water, ice, or snow from backing up into the eaves area and damaging either the roof decking or the building interior.

Abstract: A building constructed of corrugated sheet metal panels defining upright side walls, a roof and a connector for securing the roof to the side walls. The connector is a part of or integrally constructed with the side wall, has the same corrugations as the side wall, and is curved or bent inwardly towards the center of the building. The roof is secured to the inwardly directed end of the connector and the connector forms the sole support and force transmitting member between the roof and the side wall so that substantially the full space enclosed by the side walls and the roof is unobstructed. The side walls and the roof are constructed of multiple panels secured to each other and end walls attached to ends of the side walls and the roof complete the enclosure of the interior space. Also disclosed is a method for forming or bend the connector as well as for forming a curved crown portion of the roof.

Abstract: An auxiliary insulated roof system for mobile homes, metal buildings and the like includes a generally continuous panel structure of insulation material, a plurality of insulated support blocks for supporting the panel structure in clearance relation above the building roof surface and a plurality of fastening brackets for securing the panel structure to the building sidewalls. The insulated support blocks may include a base plate having a stud extended from one side for penetrating the panel structure and a block of insulation material secured to the opposite side thereof. The insulation blocks may be connected to elongated straps at spaced-apart positions therealong with opposite ends of the straps secured to the building sidewalls for partially securing the panel structure in place. A trim strip covers the fastening brackets and opening between the panel structure and roof surface.

Abstract: A shield device is provided for preventing entrance of birds into a gutter underlying a roof comprised of corrugated panels. The shield device is comprised of a substantially flat shield member and a bracket centrally disposed on the rear face of said shield member. The bracket is comprised of a shelf portion and gripping means positioned beneath said shelf portion adjacent the outermost extremity thereof. The gripping means are adapted to enclasp and thereby frictionally engage a lip associated with the front edge of said gutter. A multitude of said shield devices is utilized to occlude the archways formed between adjacent corrugations resting in abutment with the front edge of said gutter.

Abstract: A guard device protects vertical molding strips on vertical sidewalls of cabinets in grocery supermarkets and the like. Vertical molding strips on cabinet sidewalls are damaged by moving carts loaded with groceries, etc., engaging the molding strips and pulling the molding strips away from the cabinets. The guard device (10) includes an arcuate rail (18) which is supported so that it protrudes from the cabinet sidewall (13) to form a guide surface about the vertical molding strips (14) which directs grocery carts (15) or like wheeled objects away from contact with the molding.

Abstract: A roof gutter of channel shape sheet material, its front flange of greater height than its rear flange, has a series of overflow ports formed in the front flange at a level below that of the top of the rear flange, to prevent water overflowing the rear flange and entering the roof structure, these overflow ports being formed in the bottom part of a continuous longitudinal groove (viewed from the front) formed in the front flange of the gutter, and so the ports are not visible when the gutter is viewed from below.

Abstract: A combination drip edge member and rake is provided for use in conjunction with a building construction having a roof for protecting the roof edge from water and a backup damage. The combination comprises a first portion which flatly abuts against the roof and extends outwardly so that the outer edge of the first portion is spaced from and substantially parallel to the edge of the roof. A second portion of the combination extends adjacent to and underneath the first portion between the outer edge of the first portion and terminates closely adjacent the roof edge while a third portion engages the roof edge and extends substantially vertically downwardly from the inner edge of the second portion. A fourth portion of the combination extends substantially horizontally inwardly from the lower depending edge of the third portion and terminates substantially at the sidewalls of the building construction.

Abstract: A conjoint facia, flashing and water dam for use as a roof deck appurtenance is provided and includes dam means, and facia and flashing means, together contributing means having normally upper longitudinal laterally entrant grooved structure and normally upper longitudinally laterally projecting tongue means which are engaged for stabilizing the facia and flashing means horizontally, while upward thrust for maintaining the facia and flashing means in an installed position is transmitted by flashing means reactively upon exerting pressure upon a roofing sheet on the dam means, with facia means of the facia and flashing means being anchored.

Abstract: A tiled roof (1) has a plurality of rows of overlapping roof tiles (2) secured together along the rows in known manner. At the eaves (5) of the roof (1) the edges (10C) of the respective end tiles are covered over by respective edge covers (8). The covers (8) fulfill the functions of joining the adjacent tile rows together and securing the respective rows to the barge board (6) of the roof (1).Each cover (8) is one tile length long and has a web (14) of diminishing width with an inturned lip (13) along at least one edge thereof with the larger end (16) of one cover (8) of an upper tile row being slidable over the small end (15) of a second cover of a lower tile row to thus secure adjacent covers (8) together. In one embodiment an inturned lip (13A, 13B) is provided along both edges of the web (14) with the bottom lip (13B) engaging in a downturned lip (20) of a rail (17) secured to the plurality of tiling battens (11) and barge board (6).

Abstract: A roof gutter of channel form, with a bottom and upright front and rear flanges, is supported by a series of brackets secured to a roof structure, each bracket having a top arm which is engaged with the front flange of the gutter to prevent its being raised or lowered, the rear bottom part of the gutter being snapped into engagement with the bracket to secure the gutter in place.

Abstract: A roofing system having the appearance of Spanish or Mission tile made of fiberglass, with an interlocking overlapping means, which may be secured by conventional means such as nails or adhesives to new roofing structure or over existing roofing.

Abstract: A fascia gutter assembly comprises a gutter of channelled form, with a bottom and upright front and rear flanges, supported by a series of brackets adapted to be secured to the roof structure of a building, the brackets also supporting a fascia panel below and substantially co-planar with the front flange of the gutter, the top of the fascia panel being clipped into engagement with the bottom of the gutter, the gutter front flange and fascia panel then having the appearance of a single fascia.

Abstract: An attaching device to secure soffits under the eaves of a roof and to cover their ends. The attaching device is made of two separate pieces with snap action interlocking means. A top piece is first secured to the eaves and, once the soffit is fitted and retained to the eaves, the bottom piece is interlocked with the top piece. The bottom piece has a plate part extending under the soffit. The same attaching device may be used to secure sidings on the outside walls of buildings.

Abstract: A roof construction utilizing thermoplastic panels and a method of making the same. The thermoplastic panels are arranged in edge contacting relation to span a roof underpanel supported by a roof frame. The thermoplastic panels carry anchor members projecting through openings in the underpanel and secured to the frame. The thermoplastic panels are bonded together at their margins. The thermoplastic panels at the roof margins have downturned flanges. Gutters have flanges which underlie and are anchored to the marginal panels at building eaves.The method involves formation of spaced openings in the roof underpanel adjacent to roof frame members to receive thermoplastic anchor strips whose upper ends contact the thermoplastic panels to be bonded thereto by the application of heat to the panel part contacted by the anchors. The lower ends of the anchors are secured to the frame members.

Abstract: A prefabricated log building has walls formed by horizontally extending, vertically stacked log courses joined by tongue and groove joints. The walls are joined at corners by mortise and tenon joints. Each tenon is partially defined by a portion of a tongue on an associated log and extends into a mortise partially defined by a portion of another tongue on another log. The tongue and groove joints cooperate with the mortise and tenon joints to form weathertight barriers which extend through the building corners. Joists supported by the upper log course of an associated wall extend in cantilever position beyond the wall and support rafters. Filler logs connected in tongue and groove relation to the upper log course extend between the joists. A soffit carried by the joists may cooperate with a tongue on the upper log course or with tongues on the filler logs to form a weathertight eave structure.