JP4415688B2 - Waterproof structure for external floors such as balconies - Google Patents

Description

  The present invention relates to a waterproof structure for an external floor such as a balcony provided so as to project outside a building body, and particularly to a structure of a connection corner portion between a wall side and a handrail side.

  As the structure of the external floor such as a balcony, there are a main body type integrated with the outer wall of the building main body and an auxiliary type which is separate from the main body of the building and attached to the main body of the building by arms or the like. is there.

  In the latter incidental structure, an external floor such as a balcony and the outer wall surface of the building body are structurally separated from each other, and therefore a waterproof cover is provided to close the gap between these portions. In addition, in an assembly type constructed by attaching a waterproof floor and handrails to the floor frame, if rainwater overflowing from the waterproof floor wraps around on the back side, the frame may rust or downward from the gap of the eaves ceiling, etc. Since a problem such as dropping occurs, a waterproof cover is provided also on the handrail side.

  In a balcony floor provided with such a waterproof cover, for example, as shown in Patent Document 1, a corner cap is provided at a connection corner portion between waterproof covers to close a gap between the covers.

JP 2002-194850 A

  However, the conventional incidental balcony has a drawback that the waterproof performance of the gap on the wall side particularly at the corner portion is not sufficient, and water easily falls from this portion to the back side of the eaves. For this reason, in the incidental type balcony, it is permissible that rainwater leaks from the wall side in some cases because it is unavoidable. However, it is not necessarily understandable from the resident's point of view.

  The present invention eliminates such conventional drawbacks and provides a waterproof structure having a dry structure excellent in waterproofness near the wall, particularly in a connection corner portion between the waterproof cover on the wall side and the waterproof cover on the handrail side. It was made for the purpose.

In order to solve the above problems, in the present invention, in the connection corner portion between the outer floor end portion on the wall side extending along the outer wall surface and the outer floor end portion on the handrail mounting side extending in the direction away from the outer wall surface, The waterproof cover covers the wall-side waterproof cover that covers the gap between the waterproof part of the external floor and the outer wall surface, and the handrail-side waterproof cover that also covers the gap between the waterproof part of the external floor and the outer member. A corner cap that covers the gap is attached, and the corner cap has a rising portion facing the outer wall surface, and a sealing material filling groove is formed between the upper end of the rising portion and the outer wall surface. Further, the seal material filling groove is formed so as to be continuous with the seal material filling groove formed between the upper end of the rising portion of the wall-side waterproof cover and the outer wall surface. The

In the above, the sealing material filling groove of the wall-side waterproof cover is bent at the upper end of the rising portion into an L shape, the L-shaped horizontal portion is the bottom, and the L-shaped vertical portion and the outer wall surface are the side portions. It is what.

Further, the sealant filling grooves of the corner cap, and the upper end of the rising portion consists of projecting pieces is protruded horizontally toward the outer wall surface side of the rising portion back face, and a bottom portion of the projecting piece, the rising top end and outer What uses a wall surface as a side part is provided.

Further, the corner cap has a rising portion provided to rise from the end of the handrail side covering portion covering the handrail side waterproof cover, while the corner cap wall side waterproof cover is provided. The wall-side covering portion to be covered is provided with a U-shaped fitting portion that is fitted between the upper surface of the cover body of the wall-side waterproof cover and the lower surface of the horizontal portion.

Moreover, the horizontal part of the said U-shaped fitting part and the said protrusion piece are mutually continuous. At that time, a cover plate is formed between the vertical portion of the U-shaped fitting portion and the rising portion of the corner cap to close the opening of the fitting portion and the rising portion .

Furthermore , a watertight material is provided on the back surface of the waterproof cover covering portion of the corner cap.

Further, the outer member of the outer floor is a decorative cover that covers the outer surface of the outer floor, and a seal of the corner cap is provided between the outer wall surface of the decorative cover and the outer wall surface. What is provided is that the sealing material is filled so as to be continuous with the sealing material filled in the material filling groove.

Further, a watertight material is stretched on the end surface portion of the decorative cover, and the sealing material is filled in a groove formed by the decorative cover end surface and the outer wall surface formed on the outside with the watertight material as a back wall , A thing formed by sticking a watertight material to the outer surface of an edge piece provided to project inward from the end portion on the wall side of the decorative cover is provided.

  According to this invention, since it is continuous with the filling groove of the sealing material provided between the waterproof cover on the wall side and the outer wall surface, the filling groove of the sealing material is also formed in the corner cap. The corner cap and the wall-side waterproof cover do not cause a waterproof break on the wall side, and a waterproof structure for the corner portion having excellent waterproof properties can be obtained.

  The rising part of the corner cap rises from the wall-side end of the cover that covers the handrail-side waterproof cover, and a waterproof seal seals the gap between the wall-side end of the handrail-side cover and the outer wall surface. By waterproofing, water can be prevented from entering from this portion.

  In the invention of claim 5 of this application, since the fitting portion to the wall-side waterproof cover is provided, the integration with the wall-side waterproof cover is increased, so that a product with better waterproof performance can be obtained.

  Moreover, in Claim 7, since the opening part between the said fitting part and a standing wall is covered with a cover plate, the penetration | invasion of the water from the opening part can be prevented.

  In the eighth aspect of the invention, since the watertight material is adhered between the waterproof cover of the corner cap, water does not enter from the gap between the overlapping portions.

  Similarly, in the invention of claim 9, since the sealing material is filled in the end face with the decorative cover, it is possible to prevent water from entering from the inside of the decorative cover, and this sealing material is used as the sealing material of the waterproof cover. Since it is made continuous, there is no occurrence of waterproof breakage at that portion.

  In the inventions according to claims 10 and 11, since the watertight material is stretched on the end face of the decorative cover, not only the waterproof property is improved, but also the watertight material becomes the back wall of the groove filled with the sealing material. Therefore, the sealing by the sealing material can be made more reliable.

  FIG. 1 is an exploded perspective view showing a schematic structure of an attached balcony, and shows a corner portion of a building body (1). (2) is a beam of the building body (1), which is made of H-section steel as shown in the figure. (3) and (4) are a pair of upper and lower outer wall panels attached to the outside of the beam (2).

  (6) is a balcony floor frame. As a specific example, as shown in this figure, a building body (1) a pair of horizontal frames (7) and (8) parallel to the outer wall surface, and these horizontal frames (7 ) (8) and a plurality of crosspieces (9), (9)... The horizontal frames (7) and (8) parallel to each other are made of lip channel steel, and the horizontal frame (7) on the side of the building body (1) has its groove (10) facing outward as shown in FIG. Thus, the other horizontal frame (8) is arranged so that the groove (10) faces inward. A large number of crosspieces (9) and (9) arranged between the horizontal frames (7) and (8) are made of channel steel without a lip.

  When constructing the balcony, first, the floor frame (6) is fixed to the building body (1) so as to protrude outside the outer wall panels (3) and (4). Although the mounting structure is not shown, it is fixed using, for example, an arm that protrudes from the frame of the building body (1) through a vertical joint portion (not shown) of the outer wall.

  A base plate (12) is installed and fixed on the upper surface of the floor frame (6) before or after the floor frame (6) is attached. The base plate (12) is preferably a plywood having a predetermined thickness.

Further, the lower frame (11) of the handrail support column (5) is fixed to the outer side surface of the lateral frame (8) on the side not facing the outer wall panel (3) (4) side, and the handrail A support column (5) is provided protruding upward.
(13) is preferably a waterproof pan made of a steel plate, which is installed on the upper surface of the base plate (12), and has a side wall (15) on the outer periphery of the four sides of the quadrilateral bottom (14). Is up.

  (16) shows a rising support wall installed so as to overlap the outside of the side wall (15) of the waterproof pan (13). (17) is a waterproof covering the gap (20) (FIG. 3) between the wall-side waterproof wall composed of the side wall (15) and the rising support wall (16) and the outer wall surface (19) of the building body from above. It is a cover. Next, details of the waterproof structure near the wall will be described with reference to FIGS.

  The rising support wall (16) basically has an L-shaped cross section composed of a vertical portion (21) and a lower horizontal portion (22) at the lower end of the vertical portion (21). ) Is provided with an upper support piece (23) protruding in the opposite direction to the lower horizontal portion (22).

  The lower horizontal portion (22) has a bent cross-sectional shape that forms a concave portion (22a) along the longitudinal direction at the center of the upper surface in the width direction. The rising support wall (16) is connected to the upper surface of the end of the base plate (12) on the side of the building body (1) by a fixing tool (24) such as a screw inserted into the recess (22a) from above. It is fixed along the part. At this time, the upper support piece (23) is on the wall side, and the lower horizontal part (22) is on the opposite side.

  The waterproof pan (13) is installed so as to cover the lower horizontal portion (22) after the rising support wall (16) is attached. A heat insulating material (25) made of foamed resin or the like is provided on the back side of the bottom (14) of the waterproof pan (13). In FIG. 1, the entire waterproof pan (13) is shown as an integral unit, but it may be divided into a plurality of units.

  With the rising support wall (16) and the waterproof pan (13) attached, the vertical portion (21) of the support wall (16) overlaps the outer surface of the side wall (15) of the waterproof pan (13). Is in contact with In addition, the upper end of the side wall (15) of the waterproof pan (13) is provided with a water return piece (26) protruding inward by bending inward (center side of the balcony floor) as shown in the figure. ing. There is a step between the upper surface of the water return piece (26) and the upper surface of the upper support piece (23) of the rising support wall (16) so that the upper support piece (23) side becomes higher.

  In the vertical portion (21) of the rising support wall (16), a flange (29) along the horizontal direction is integrally formed in the vicinity of the lower end portion of the surface facing the outer wall surface (19). . This ridge (29) is released upward from the surface of the vertical portion (21) by integrally forming a portion (28) protruding like a ridge from the surface of the vertical portion (21). It has a groove shape.

  As shown in FIG. 3, a lateral joint portion (18) between the outer wall panels (3) and (4) is located on the outer wall portion of the building body (1) at a position slightly lower than the upper end of the vertical portion (21). ing. The collar (29) is further located below the horizontal joint (18).

  (31) is a horizontal draining material provided so as to protrude from the inside of the outer wall panels (3) and (4) to the outer wall surface (19) side through the horizontal joint portion (18). The outer tip of the horizontal draining material (31) on the outer wall is bent downward, and the flange (29) is positioned below the bent tip (32). Note that (33) is a cover piece projecting downward from the lower surface of the flat water cutting material (31).

  In the above, the rising support wall (16) is preferably an extrusion of aluminum or the like in a state where the vertical portion (21), the lower horizontal portion (22), the upper support piece (23) and the flange (29) are integrated. Although formed integrally by molding or the like, it is not limited to this.

  The outer wall panels (3) and (4) are composed of a siding material (35) constituting the outer wall surface (19) and a grooved frame material (36) attached to the back surface of the siding material. (37) is a frame frame arranged along the upper surface or the lower surface of the beam (2), and is made of grooved steel with a lip as shown in the figure. The outer wall panels (3) and (4) Although it is supported through the assembly frame (37), its details are omitted. Further, the horizontal draining material (31) is attached by engaging its inner end and the tip of the cover piece (33) with the joint fitting (30) of FIG. 3 fixed to the beam (2) or the like. The details are also omitted.

  The waterproof cover (17) has an upper surface (40) whose top surface is horizontal or slightly inclined downward toward the balcony floor, and projects downward from the tip of the top surface (40) of the balcony floor at the center side. And a front surface portion (41). Further, a mounting piece (42) is provided projecting upward at the tip of the upper surface (40) opposite to the front surface (41) side. The upper end of the mounting piece (42) is bent in the same direction as the upper surface part (40), and a flange piece (43) having a vertical section protrudes upward at the tip of the bent piece (39). Is provided.

  Further, a watertight material (44) having elasticity is provided in advance on the back surface of the upper surface portion (40) at a position near the front surface portion (41). This stretchable watertight material (44) is preferably made of a resin foam having a structure of independent or continuous foaming (a structure in which bubbles are crushed and the cavities are not connected when compressed). It is adhered to the back surface of the upper surface portion (40) along the longitudinal direction.

  On the other hand, a fin-like packing (45) is provided on the back surface of the front surface portion (41) so as to protrude in the horizontal direction at a position near its lower end. The fin-like packing (45) is made of a flexible material such as rubber or other soft material, and gradually becomes thinner toward the tip to increase flexibility. In addition, a flange-shaped mounting portion (46) is integrally formed at the base portion on the front surface portion (41) side, and is inserted into a mounting groove (47) formed on the back surface of the front surface portion (41). The part (41) is attached over substantially the entire length in the longitudinal direction.

  The waterproof cover (17) having the above configuration is installed from above so as to close the side wall (15) of the waterproof pan (13) and the gap between the rising support wall (16) and the outer wall surface (19). Is done. And it fixes to the outer surface of the lower end of the outer wall panel (3) of an upper side with the bis | screw (48) and other fixing tools inserted through this attachment piece (42) from the outer side of an attachment piece (42).

  At this time, the front surface portion (41) faces the inner surface of the side wall portion (15). The fin-like packing (45) at the lower end is in contact with the vertical portion (21) of the rising support wall (16). At that time, the fin-like packing (45) is in elastic contact with its tip bent upward.

  On the other hand, as shown in the figure, the upper surface portion (40) is placed on the upper surface of the upper support piece (23) at the upper end of the vertical portion (21) at the wall side of the watertight material (44). In this state, the water-tight material (44) is strongly pressed against the upper surface of the water return piece (26) at the upper end of the side wall (15) and is held in a compressed state, whereby the side wall (15) and the upper surface ( 40) is sealed.

  The upper side of the mounting piece (42) is filled with a wet sealing material (49) into a groove formed by the horizontal bent piece (39), flange piece (43) and outer wall surface (19) at the upper end. is doing.

  In the above waterproof structure, even if heavy rain or water during cleaning accumulates on the balcony floor consisting of the waterproof pan (13) and overflows to the wall side, the waterproof cover (17) is also provided, and the waterproof cover ( Since the space between 17) and the outer wall surface (19) is sealed with the sealing material (49), water does not leak over the waterproof cover (17) to the back of the eaves.

  Furthermore, the water which tries to rise upward from between the front surface part (41) and the side wall part (15) of the waterproof cover (17) is first blocked by the fin-shaped packing (45). Even if a large amount of water is rushed at the same time, even if a part of the fin-shaped packing (45) passes through the tip of the fin-like packing (45) and enters the upper gap (50), the water return piece It is dropped downward by (26). And even if it still turns around to the upper part side of the water return piece (26), since the watertight material (44) seals the gap, it is almost completely prevented from going around to the back side.

  The above is a water finish on the side of the outer wall surface (19) of the balcony floor. Next, a waterproof structure on the handrail side that does not face the wall will be described.

  As shown in FIGS. 4 and 5, on the handrail side, the outer surface of the side wall portion (15) of the waterproof pan (13) is substantially flush with the outer surface of the horizontal frame (8) of the floor frame (6). In such a state, it stands up. At the middle portion of the handrail support (5) fixed to the horizontal frame (8), at the position corresponding to the upper end of the side wall (15), this L-shaped receiving plate (55) is seen horizontally. The handrail support column (5) is fitted to the notch of the portion (56). As shown in FIG. 1, the receiving plate (55) is attached in advance to the handrail support column (5).

  The outer surface of the side wall portion (15) is superimposed on the surface of the vertical portion (57) projecting downward from the inner end of the horizontal portion (56), and this vertical portion (from the inner side of the waterproof pan (13) ( The side wall (15) is fastened to its vertical part (57) by means of a screw (58) preferably screwed into 57). At this time, the upper surface of the horizontal portion (56) is slightly higher than the upper surface of the water return piece (26) at the upper end of the waterproof pan (13).

  A decorative cover (60) is attached to the side opposite to the side wall (15) with the handrail support (5) interposed therebetween. The decorative cover (60) covers the floor frame (6), the side wall (15), and the bottom of the handrail support (5) to the lower surface of the horizontal frame (8). The decorative cover (60) is supported by engaging the engaging groove (61) on the back surface thereof with the L-shaped receiving piece (59a) of the bracket (59) fixed to the outer surface of the handrail support column (5). Has been.

  (65) is another waterproof cover attached to the handrail side not facing the wall with respect to the waterproof cover (17) attached to the wall side. The handrail-side waterproof cover (65) includes an upper surface portion (62) and a front surface portion (63) protruding downward from one end of the upper surface portion. Further, an outer cover piece (64) is integrally formed at the end opposite to the front face portion (63) so as to protrude downward.

  The handrail-side waterproof cover (65) formed as described above has the front surface portion (63) facing the inner surface of the side wall portion (15), and the outer cover piece (64) at the upper end of the decorative cover (60). It is installed from above so as to face the outer surface. Thereby, the clearance gap between a side wall part (15) and a decorative cover (60) is covered from upper direction by this waterproof cover (65).

  At that time, an opening (67) through which the handrail support column (5) passes is formed in the upper surface portion (62) corresponding to the handrail support column (5). Standing up through (67). The waterproof cover (65) has its upper surface portion (62) fixed to the upper surface of the horizontal portion (56) with a fixing member such as a screw bolt (66).

  Then, on the back surface of the upper surface portion (62), the same watertight material (44) as that described above is provided in advance, corresponding to the water return piece (26) at the upper end of the side wall portion (15), and the same as described above. In addition, it is compressed between the water return piece (26) and kept watertight. In addition, the watertight material (44) protrudes from the gap between the tip of the water return piece (26) and the front surface portion (63), which is not partially compressed.

  Further, similarly to the lower end of the front surface portion (63), a fin-like packing (45) attached by inserting the root portion (46) into the mounting groove (47) on the back surface of the front surface portion (41) protrudes. . The tip of the fin-like packing (45) abuts against the inner surface of the side wall (15) in a state of bending upward, and double waterproofing similar to that on the wall side is performed.

  As a result, the water accumulated in the waterproof pan (13) leaks into the gap between the side wall (15) and the outer decorative cover (60), and this wraps around the ceiling and falls under the eaves. Or inconvenience of generating rust on the metal material in the ceiling.

  In the waterproof structure on the wall side and the handrail side as described above, the present invention is implemented at the corner portion of the left end portion of FIG. 1 which is a connection portion between the wall side and the handrail side. The structure is shown.

  As shown in FIG. 6, first, at the handrail side corner, the end portion of the handrail side waterproof cover (65) protrudes toward the outer wall surface (19) from the wall side waterproof cover (17), and the outer wall surface A portion of the end face of the wall side waterproof cover (17) faces the front surface part (63) of the handrail side waterproof cover (65).

  Reference numeral (71) denotes a corner cap attached over the end portions of the wall-side waterproof cover (17) and the handrail-side waterproof cover (65). The corner cap (71) includes a cover plate (72) that covers the upper surface portion (62) of the handrail-side waterproof cover (65) and a cover plate (73) that covers the upper surface portion (40) of the wall-side waterproof cover (17). ). Watertight materials (68) and (69) are attached to the back surfaces of the covering plates (72) and (73). These watertight materials (68) (69) may be continuous with each other, but the viewpoint of preventing water from entering from the end portion toward the longitudinal center of each upper surface portion (40) (62). From may be provided only in this portion.

  The covering plates (72) and (73) are continuously integrated in the extending direction of the upper surface portion (40) of the wall-side waterproof cover (17), as shown in the figure, and the covering plate on the handrail side ( 72) is integrally provided with an outer downward piece (74) that protrudes downward from the end opposite to the wall-side cover plate (73). On the other hand, the wall-side cover plate (73) is integrally provided with an inner downward piece (75) protruding downward from the end opposite to the outer wall surface (19). This inner downward piece (75) corresponds to the handrail side covering plate (72) projecting from the wall side covering plate (73), along the end portion on the handrail side covering plate (72) side. It is bent into an L shape and connected to its end.

  A rising portion (76) rises at the end of the handrail side cover plate (72) on the outer wall surface (19) side, and the upper end of the rising portion (76) faces the outer wall surface (19). A protruding horizontal folded piece (77) is provided along the upper end. Further, on the surface on the outer wall surface (19) side of the rising portion (76), a strip-shaped projecting piece (78) is integrally formed at an intermediate portion in the vertical direction. The projecting piece (78) has a belt-like shape when viewed from above, and extends horizontally along the outer wall surface (19).

  On the other hand, the wall-side cover plate (73) has a vertical part (81) rising from the end part at the end part on the wall side, and a horizontal part projecting from the vertical part (81) to the opposite side of the wall ( 82) are integrally formed. The vertical portion (81), the horizontal portion (82), and the end portion of the cover plate (73) constitute the U-shaped fitting portion (83) of the present invention. The horizontal portion (82) of the fitting portion (83) may be continuous with the protruding piece (78) on the back surface of the handrail side rising portion (76).

  In the above, the rising portion (76) of the handrail side cover plate (72) protrudes to the middle portion of the upper surface of the wall side cover plate (73) (80), the U-shaped fitting portion (83) The opening on the handrail side is closed with a cover plate (84) integrally formed from the end of the rising portion (76) to the vertical portion (81). A watertight material (85) is attached to the U-shaped fitting portion (83) over the back surface of the vertical portion (81) and the upper surface of the horizontal portion (82). The watertight material (85) is continuous with the watertight material (75) of the wall side covering plate (73).

  The corner cap (71) having the above-described structure connects the U-shaped fitting portion (83) to the recess (86) below the bent piece (39) in the wall-side waterproof cover (17). Cover the top surface (40) of the wall-side waterproof cover (17) with the wall-side cover plate (73) while fitting from the outside, and make sure that the downward facing piece (75) covers the front surface of the front plate (41). It is attached. At the same time, the recess (88) between the inner downward piece (75) on the wall side and the outer downward piece (74) on the handrail side is fitted to the handrail side waterproof cover (65). The handrail side cover plate (72) is installed on the upper surface portion (62) of the waterproof cover (65) on the same side, and thus the corner cap (71) is connected to the waterproof cover (17) on the wall side. Attached across the waterproofing cover (65) on the handrail side.

  In the attached state, on the back surface of the rising portion (76) rising from the cover plate (72) on the handrail side, as shown in the figure, the upper end of the rising portion (76) and the protruding piece (78) A sealing material filling groove (87) constituted by the wall surface (19) is formed. The sealing material filling groove (87) is continuous with the sealing material filling groove (51) on the wall-side waterproof cover (17) side, and the sealing material (49) is integrated with the grooves (87) (51). Are continuously filled. The folded piece (77) has a tip that is flush with the inner surface of the flange piece (43) of the wall side waterproof cover (17).

  Next, the decorative cover (60) is integrally formed with a flange-like edge piece (90) projecting inward as shown in FIG. 9 at the end of the wall side by bending or other means. And the watertight material (91) is stuck on the outer surface of this edge piece (90) along the front-end edge which left the half part by the side of the decorative cover main body. The watertight material (91) is in contact with the outer wall surface (19), thereby preventing intrusion of water such as rainwater from the side surface outward direction.

  In the mounting state of the decorative cover (60) as described above, between the edge piece (90) of the portion where the watertight material (91) is not stretched and the outer wall surface (19), the watertight material (91) In addition, a sealing material filling groove (92) having the watertight material (91) as a back wall is formed outside. Then, the sealing material (49) is filled into the filling groove (92) so as to be continuous with the sealing material filling groove (87) on the back surface of the rising wall (76) of the corner cap (71). Thereby, the waterproof line without a cut | interruption is comprised from an upper part to a side surface. A hatched portion indicated by a broken line in FIG. 8 indicates a waterproof line by the seal material (49).

  In the above description, the corner cap (71) is preferably made of an aluminum die-cast product, but is not necessarily limited thereto.

  Further, as shown in FIG. 10, handrail units (94), (94),... Are attached between the handrail support columns (5), (5), and a headboard (95) is installed thereon.

  The present invention is optimal for the balcony floor shown in the above embodiment, but is not necessarily limited to this, and can be applied to a veranda or other external floor projecting outside the building body.

It is a disassembled perspective view of the principal part which shows schematic structure of the balcony at the time of implementing this invention for an accompanying type balcony. It is a perspective view of the section of a wall edge part similarly. It is the longitudinal cross-sectional view similarly by the wall. It is a principal part enlarged view of FIG. It is a perspective view of the principal part which shows the attachment condition of the waterproof cover by the side of a handrail. It is a longitudinal cross-sectional view which similarly shows the structure of the handrail support | pillar base part on the handrail side. It is a perspective view of the principal part which shows the state before the corner cap attachment of the corner part of a handrail side and a wall side. It is a perspective view of the principal part which similarly shows the state after a corner cap attachment. It is sectional drawing which cut | disconnected the waterproof cover part of the handrail side similarly, and looked at the outer wall surface direction from the handrail side. It is a perspective view which shows the edge part by the side of the outer wall surface of a decorative cover.

Explanation of symbols

(17) Wall side waterproof cover
(19) Exterior wall
(40) Top surface
(41) Front part
(49) Seal material
(51) Seal material filling groove
(60) Makeup cover
(62) Upper surface
(63) Front part
(65) Handrail side waterproof cover
(71) Corner cap
(72) (73) Cover plate
(74) (75) Watertight material
(76) Rising part
(78) Protruding piece
(83) U-shaped fitting part
(84) Cover plate
(85) Watertight material
(87) Seal material filling groove
(90) Edge piece
(91) Watertight material
(92) Seal material filling groove

Claims (11)

At the connection corner between the outer floor end on the wall side extending along the outer wall surface and the outer floor end on the handrail mounting side extending in the direction away from the outer wall surface, between the waterproof portion of the outer floor and the outer wall surface A corner cap that covers the gap between the waterproof covers is mounted across the wall-side waterproof cover that covers the gap and the handrail-side waterproof cover that also covers the gap between the waterproof portion of the external floor and the outer member, and The corner cap has a rising portion facing the outer wall surface, and a sealing material filling groove is formed between the upper end of the rising portion and the outer wall surface. Is a waterproof structure for an external floor such as a balcony, which is formed so as to be continuous with a sealing material filling groove formed between the upper end of the rising portion of the wall-side waterproof cover and the outer wall surface. The seal filling groove of the wall side waterproof cover is bent at the upper end of the rising part into an L shape, with the L-shaped horizontal part as the bottom part, and the L-shaped vertical part and the outer wall surface as side parts. The waterproof structure for an external floor such as a balcony according to claim 1. The sealing material filling groove of the corner cap consists of an upper end of the rising portion and a protruding piece that protrudes horizontally from the back surface of the rising portion toward the outer wall surface, with the protruding piece as a bottom, and the upper end of the rising portion and the outer wall surface. The waterproof structure for an external floor such as a balcony according to claim 2, wherein The waterproof structure for an external floor such as a balcony according to claim 3, wherein the rising portion of the corner cap is provided so as to rise from an end portion on the wall side of the handrail side covering portion that covers the handrail side waterproof cover. The wall-side covering portion that covers the wall-side waterproof cover of the corner cap includes a U-shaped fitting portion that is fitted between the upper surface of the cover body of the wall-side waterproof cover and the lower surface of the horizontal portion. The waterproof structure of an external floor such as a balcony according to claim 4. The waterproof structure for an external floor such as a balcony according to claim 5, wherein a horizontal portion of the U-shaped fitting portion and the protruding piece are continuous with each other. The balcony according to claim 5 or 6, wherein a cover plate is formed between the vertical portion of the U-shaped fitting portion and the rising portion of the corner cap to close the opening of the fitting portion and the rising portion. Waterproof structure of external floor etc. The waterproof structure for an external floor such as a balcony according to any one of claims 1 to 7, wherein a watertight material is attached to the back surface of the waterproof cover covering portion of the corner cap. Said outer member of the outer bed, a decorative cover for covering the outer surface of the outer bed, between the end face of the outer wall surface side of the decorative cover and its outer wall surface, the sealing material filling the corner cap The waterproof structure for an external floor such as a balcony according to any one of claims 1 to 8, wherein the sealing material is filled so as to be continuous with the sealing material filled in the groove. 10. A watertight material is stretched on an end surface portion of the decorative cover, and a sealing material is filled in a groove portion formed by an outer surface and a decorative cover end surface formed outside the watertight material as a back wall. Waterproof structure for external floors such as the described balcony . The waterproof structure for an external floor such as a balcony according to claim 10, wherein the watertight material is attached to an outer surface of an edge piece that protrudes inward from an end portion on the wall side of the decorative cover.

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