JP2005090026A - Waterproof construction and its formation method of external wall joint - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof structure and its forming method of an external wall joint capable of obtaining a trim finishing joint although it is a waterproof structure by fastening of mutual waterproof sheets and realizing in an easy execution. <P>SOLUTION: Each one side 3a, 4a of L-shaped waterproof sheets 3, 4 is attached respective back face sides of both external wall face members 2, 2 pinching the joint 1, and the other sides 3b, 4b are projected in the joint 1 without extruding to the outside of the joint 1, irregularities 3c, 4c for fastening are provided in the mutual facing side of the other sides 3b, 4b. the irregularities 3c, 4c atre fitted, the distance between the waterproof sheets 3c, 4c is fastened in the waterproof condition, and a reaction material 5 extending along the joint is provided at the rear side thereof, fastening can be easily executed by a roller type or slide type fastening tool. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a waterproof structure for an outer wall joint and a method for forming the waterproof structure.

  As a waterproofing method for the joint between the outer wall surfaces, as shown in FIG. 5 (a), one of the L-shaped waterproof sheets 53, 54 is provided on the back side of the outer wall members 52, 52 on both sides of the joint 51, respectively. Sides 53a, 54a are attached, and the other side 53b, 54b has a dimension that protrudes outside the joint 51 and is once projected out of the joint 51. On the opposite side of the other side 53b, 54b, As shown in FIGS. 5B and 5C, fastening irregularities 53c and 54c are provided outside the joint 51, and the irregularities 53c and 54c are fitted and waterproofed by hand work or the like from the outdoor side. Fastening is performed between the sheets 53 and 54, and as shown by the phantom line in FIG. 5 (a), the sheet 53, 54 is rolled into the joint 51 and accommodated.

  In this construction method, L-shaped waterproof sheets 53 and 54 are attached in advance to the back sides of both outer wall surfaces 52 and 52 sandwiching the joint 51, and the outer wall materials 52 and 52 are waterproofed from the outdoor side after the construction. The sheets 53 and 54 can be fastened together to form a waterproof state, and there is an advantage that waterproofing can be easily performed.

  However, in the above construction method, the waterproof sheets 53 and 54 are fastened outside the joint 51. Therefore, after fastening, the waterproof sheets 53 and 54 are pushed into the joint 51 by being rounded or the like as described above. Therefore, there is a problem in that the joint 51 is occupied by the pushed-in portion, and the joint cannot be neatly accommodated.

  Further, since the fastening between the waterproof sheets 53 and 54 is performed outside the joint 51, it is necessary to perform the work of rounding and pushing into the joint 51 after the fastening, which is also troublesome.

  In view of the conventional problems as described above, the present invention can provide a clean fit within the joints while being a waterproof structure by fastening waterproof sheets, and can easily implement it. It is an object of the present invention to provide a waterproof structure for an outer wall joint and a method for forming the same.

  The above problem is that one side of the L-shaped waterproof sheet is attached to each of the back side of the outer wall material on both sides sandwiching the joint, and the other side protrudes to the joint side without protruding outside the joint. The projections are projected into the joints, and the fastening unevenness is provided on the opposite side of the other side, the concaves and convexes are fitted and the waterproof sheet is fastened in a waterproof state, and the joints are behind the joints. It is solved by the waterproof structure of the outer wall joint characterized in that a reaction material extending along the outer wall is provided.

  In this structure, the other side of the L-shaped waterproof sheet attached to the back side of the outer wall material on both sides sandwiching the joint has a dimension that protrudes to the joint without protruding out of the joint. Therefore, the dimension of the other side is short, so that the inside of the joint is not narrowed by the other side, and the inside of the joint can be neatly accommodated. it can.

  Moreover, since a reaction force material extending along the joint is provided behind it, both waterproof sheets can be fastened in the joint by various methods from the outdoor side by using this reaction force material. Can do.

The above waterproof structure is formed by fitting an annular recess for fastening that fastens both waterproof sheets by fitting the other side of the waterproof sheet to the other side of the waterproof sheet by fitting the other side of the waterproof sheet. Using the fastening tool provided,
Insert the roller of the tool from the outdoor side into the outer wall joint, fit the other side of the waterproof sheet into the fastening annular recess in the outer periphery of the roller, and press it against the reaction material along the joint It is good to carry out by making the unevenness | corrugation for fastening by fitting by rotating, and fastening between waterproofing sheets in a waterproof state.

  This method has a structure in which the unevenness for fastening before fastening is present in the joint, and by using the above-described roller type fastening tool, the unevenness for fastening is very easily fitted and fastened. In addition, it is not necessary to push in the waterproof sheet after fastening, and the waterproof structure of the present invention can be easily implemented. In particular, since the fastening tool is made of a roller type, the fastening can be performed smoothly.

In addition, the waterproof structure is formed by fastening a fastening groove to fasten both waterproof sheets by fitting the other side of the waterproof sheet to the slider so that the unevenness for fastening is fitted to each other. Using a tool
The slider of the tool is inserted into the outer wall joint from the outdoor side, the other side of both waterproof sheets is fitted into the fastening groove of the slider, and slid along the joint while pressing against the reaction force material. It is good to carry out by engaging the unevenness | corrugation for fastening to each other, and fastening between waterproofing sheets in a waterproof state. Even with this method, the fastening unevenness before fastening is present in the joint, but by using the sliding type fastening tool as described above, the fastening unevenness can be very easily fitted and fastened. In addition, it is not necessary to push in the waterproof sheet after fastening, and the waterproof structure of the present invention can be easily implemented.

  In the above structure, if the unevenness for fastening is provided on the tip side of the other side of the waterproof sheet, even if it causes a dimensional error in the joint width, The error can be absorbed and the waterproof sheets can be fastened to the proper waterproofing state and thus to the proper waterproofing state.

  Since the present invention is as described above, it is possible to make the interior of the joint clean and to be easily constructed while being a waterproof structure by fastening between waterproof sheets. .

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  In the outer wall joint waterproof structure of the embodiment shown in FIGS. 1 and 2, 1 is a joint, 2 and 2 are left and right outer wall materials sandwiching the joint 1, 3 and 4 are L-shaped waterproof sheets, and 5 is a reaction force material. is there.

  The outer wall surface material 2 is provided with a base material 2b on the back side of the face material main body 2a, and L-shaped waterproof sheets 3 and 4 are provided on the back surfaces of the base materials 2b and 2b of the outer wall surface materials 2 and 2, respectively. One side 3a, 4a is attached in a waterproof state by pasting or the like, and the other side 3b, 4b has a dimension that projects to the joint 1 side without protruding outside the joint 1, and projects into the joint 1. ing. And the uneven | corrugated 3c for fastening and 4c are provided in the front-end | tip part of this other side 3b and 4b facing, This uneven | corrugated 3c and 4c are fitted, and the waterproof sheet 3 and 4 are fastened in a waterproof state. A reaction force member 5 such as a pillar extending along the joint 1 is provided behind it.

  As shown in FIG. 2 (a), the waterproof structure is constructed by first attaching an outer wall surface material 2 to which L-shaped waterproof sheets 3 and 4 are attached in advance, or an outer wall panel in which a frame is attached to the outer wall surface material 2. Use and build it. Next, the waterproof sheets 3 and 4 are fastened. Fastening can be performed very easily by using, for example, a roller-type fastening tool as shown in FIGS.

  That is, the fastening tool 6 includes a roller 7, and the other sides 3 b and 4 b of both waterproof sheets 3 and 4 are formed on the outer peripheral portion of the roller 7 as shown in FIGS. Fastening annular recesses 8 that fasten both waterproof sheets 3 and 4 by fitting the fastening unevennesses 3c and 4c to each other by fitting are provided at the intermediate portion in the width direction.

  Using this fastening tool 6, as shown in FIG. 3, the roller 7 is inserted into the joint 1, and the other sides 3 b and 4 b of the waterproof sheets 3 and 4 are fitted into the fastening annular recess 8. The reaction material 5 gives a reaction force during the fitting. As a result, the concave and convex portions 3c and 4c for fastening on the other side 3b and 4b are pushed and fitted to both side portions in the fastening annular recess 8 from both sides. While maintaining this fitting state, the fastening tool 6 is moved from the bottom to the top or from the top to the bottom while rotating the fastening tool 6 by pressing the roller 7 against the reaction material 5 as shown in FIG. I will do it. As a result, the waterproof sheets 3 and 4 are fastened in a waterproof state. In particular, the other side 3b, 4b of the waterproof sheet 3, 4 is designed to have a low profile that fits within the joint 1, so that the fitting with the annular recess 8 of the fastening tool 6 can be easily realized. it can.

  As described above, in the above method, the fastening unevenness 3c, 4c before the fastening is present in the joint 1, but the fastening unevenness 3c, 4c is extremely easy by using the roller type fastening tool 6. In addition, the waterproof sheets 3 and 4 after the fastening are not required to be pressed, and the waterproof structure can be easily implemented.

  Instead of the roller type fastening tool, a sliding type fastening tool 10 as shown in FIG. 4 (B) may be used. The fastening tool 10 includes, for example, a slider 11 made of a roller-type fastening tool 6 in which a roller 7 is divided in half, and the arc side of the slider 11 is inserted into the joint 1 so that the joint 1 extends in the extending direction. If it slides, the unevenness | corrugations 3c and 4c for fastening in the joint 1 can be fastened easily. FIG. 3 shows both the case of using the roller type tool 6 and the case of using the slide type tool 10.

  In the waterproof structure, the other sides 3b and 4b of the L-shaped waterproof sheets 3 and 4 attached to the back sides of the outer wall materials 2 and 2 on both sides sandwiching the joint 1 are outside the joint 1. Since it protrudes into the joint 1 with a dimension that protrudes toward the joint 1 without protruding, the dimensions of the other side 3b, 4b are short, so the other side 3b, 4b Therefore, the inside of the joint 1 is not narrowed, and the inside of the joint 1 can be kept clean. The joint 1 may be opened outdoors as it is, or a dry or wet sealing material or the like may be installed on the outdoor side in the joint 1.

  In addition, since the unevenness 3c, 4c for fastening is provided on the tip side of the other side 3b, 4b of the waterproof sheet 3, 4, there is a case where a dimensional error occurs in the joint width. Even so, the error can be absorbed and the waterproof sheets 3 and 4 can be fastened to the proper fastening state, and thus to the proper waterproof state.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, the present invention can be used for both vertical joints and horizontal joints. Moreover, in the joint waterproof structure of this invention, the fastening of the waterproof sheet in a joint may be performed by the various methods by the access from the outdoor side using a reaction material. In other words, the structure of the present invention can be said to be a structure in which the waterproofing sheet cannot be fastened when the reaction material is matched and access from the indoor side.

The joint waterproof structure of embodiment is shown, A figure (I) is a cross-sectional top view, A figure (B) is a principal part expanded cross-sectional top view. FIG. 1 (a) is a plan sectional view showing a construction method of the outer wall surface material, and FIG. The construction method is shown, in which FIG. (A) is a plan sectional view showing a state before inserting a fastening tool, and (B) is a plan sectional view showing a state after inserting the fastening tool. The construction method is shown, wherein FIG. (A) is a sectional side view when a roller tool is used, and (b) is a sectional side view when a slide tool is used. FIG. 1 (a) is a cross-sectional plan view of the joint, FIG. 2 (b) is an enlarged cross-sectional plan view showing the fastening state of the waterproof sheet, and FIG. 3 (c) is a state before the waterproof sheet is fastened. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Joint 2 ... Outer wall surface material 3, 4 ... L-shaped waterproof sheet 3a, 4a ... One side 3b, 4b ... The other side 3c, 4c ... Unevenness for fastening 5 ... Reaction force material 6 ... Roller type fastening tool 7 ... Roller 8 ... Fast annular recess 10 ... Sliding fastening tool 11 ... Slider

Claims (4)

  One side of the L-shaped waterproof sheet is attached to each of the back side of the outer wall material on both sides across the joint, and the other side has a dimension that protrudes to the joint side without protruding outside the joint. Are formed on the opposite side of the other side, and the projections and recesses are fastened in a waterproof state between the waterproof sheets and extend along the joints. A waterproof structure for joints on the outer wall, which is provided with a force material.   The waterproof structure of the outer wall joint according to claim 1, wherein a fastening unevenness is provided on a tip side of the other side of the waterproof sheet. A method for forming a waterproof structure of an outer wall joint according to claim 1 or 2,
Using a fastening tool provided with an annular recess for fastening to fasten both waterproof sheets by fitting the unevenness for fastening to each other by fitting the other side of both waterproof sheets to the outer periphery of the roller,
Insert the roller of the tool from the outdoor side into the outer wall joint, fit the other side of the waterproof sheet into the fastening annular recess in the outer periphery of the roller, and press it against the reaction material along the joint A forming method characterized in that the concave and convex portions for fastening are fitted to each other by rotating and the waterproof sheets are fastened in a waterproof state. A method for forming a waterproof structure of an outer wall joint according to claim 1 or 2,
Using a fastening tool provided with a groove for fastening to fasten both waterproof sheets by fitting the unevenness for fastening to each other by fitting the other side of the waterproof sheet to the slider,
The slider of the tool is inserted into the outer wall joint from the outdoor side, the other side of both waterproof sheets is fitted into the fastening groove of the slider, and slid along the joint while pressing against the reaction force material. A forming method characterized in that the unevenness for fastening is fitted to each other, and the waterproof sheet is fastened in a waterproof state.

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