JP2009197496A - Waterproof spacer and waterproof structure on foundation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof spacer which blocks a gap between a foundation of a building and a framework almost vertically erected from an upper surface of the foundation and constructed on the same, and prevents water infiltration into the foundation from the outside, and to provide a waterproof structure on the foundation. <P>SOLUTION: The waterproof spacer 1 blocks the gap between the foundation 2 of the building and the framework 3 constructed on an upper portion of the foundation 2, and prevents water infiltration into the foundation 2 from the outside. The spacer is formed of: a foldable thin resin sheet 4 for blocking the gap; an adhesive member 5 arranged on one surface 4a of the resin sheet 4, and stickable onto the foundation 2; and a foldable foamed sheet 6 having an adhesive surface 6a and stuck to the other surface 4b of the resin sheet 4 in a manner covering the same. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a waterproof spacer for closing a gap between a foundation of a building and a shaft constructed by standing substantially vertically from the upper surface of the foundation, and preventing water from entering from the outside to the inside of the foundation, It relates to a waterproof structure.

  In general, when building a building, a gap is generated between the foundation and the shaft constructed on the upper part of the foundation. Therefore, the waterproof property of the building is impaired by the gap. And in places such as dirt and garages where the floor portion is provided at a position lower than the top of the foundation, rainwater from outside the building is better than other rooms where the floor is provided at a position higher than the top of the foundation. It is more important to prevent intrusion. Therefore, the waterproof property of the building was secured by interposing a caulking material in the gap between the foundation and the shaft, but the foundation and the shaft repeated expansion and contraction due to climate change, etc. The following waterproof structure has been devised because peeling, cutting, etc. occur and the waterproof property is gradually impaired.

  As shown in FIG. 16, the waterproof structure 101 of the foundation portion is synthesized with the upper end portion of the foundation parting 105 formed in a substantially L shape so as to cover the gap 104 between the foundation 102 and the lower end of the outer wall panel 103. A follow-up piece 106 having deformability such as resin or rubber is provided, and a caulking material 107 is further provided thereon. (For example, patent document 1).

JP 2005-315004 A

  However, if the foundation or outer wall panel expands or contracts due to changes in climate, etc., even if the following piece elastically deforms and follows, a gap will be created between the caulking material and the foundation or outer wall panel. There is a possibility that the waterproofness is gradually lost. In addition to the cost of the caulking material itself, there is also a problem that it is expensive and expensive to form the follow-up piece.

  The present invention has been made for the purpose of solving the various problems as described above, is cheaper than using caulking materials, and stands upright from the foundation of the building and the upper surface of the foundation. The present invention relates to a waterproof spacer and a waterproof structure on a foundation that can reliably block a gap with a built shaft and reliably prevent water from entering from the outside to the inside of the foundation.

  In order to achieve the above object, the waterproof spacer according to claim 1 closes a gap between a foundation of a building and a shaft constructed by standing substantially vertically from the upper surface of the foundation, and water from the outside to the inside of the foundation. Is a waterproof spacer for preventing intrusion, a resin sheet provided with an adhesive member that can be affixed to the upper surface of the foundation on one side, and a foam sheet affixed to the other side of the resin sheet, It is characterized by comprising.

  The waterproof spacer according to claim 2 is characterized in that the resin sheet and the foamed sheet can be bent.

  The waterproof spacer according to claim 3, wherein the base assembly is attached to the upper surface of the foundation so as to match the shape of the protruding corner portion or the entering corner portion of the foundation, and the shaft assembly is erected substantially vertically from the foundation side surface. And two standing surfaces that are attached so as to extend along the surface.

  In the waterproof spacer according to claim 4, the resin sheet is formed in a long shape, and is folded in advance in the longitudinal direction of the resin sheet so that the resin sheet can be bent in a substantially L shape. The foam sheet is further characterized in that a groove is formed in the foamed sheet in the longitudinal direction at a location where the fold is provided.

  The waterproof structure on a foundation according to claim 5 has a shaft constructed by standing substantially vertically from the foundation of the building and the upper surface of the foundation, and the floor member of the building is located at a position lower than the top end of the foundation. In the building provided in the above, the one surface side provided with the adhesive member of the resin sheet of the waterproof spacer according to claim 1 is erected substantially vertically from the base upper surface along the shaft assembly. It is characterized by being pasted so as to block.

  The waterproof structure on a foundation according to claim 6 is characterized in that a base material for fixing an inner wall material of a house is pressed and fixed on the foamed sheet attached to the other surface side of the resin sheet. Yes.

  According to the waterproof spacer of claim 1, since the resin sheet that closes the gap is provided, the resin sheet can completely close the gap between the foundation and the shaft assembly, and ensures the waterproof property. can do. And since the adhesive member which can be affixed on a foundation is comprised in the one surface side of this resin-made sheet | seat, when adhering this along a shaft set from a foundation, it can affix easily. Moreover, since the foamed sheet affixed on the other surface side of the said resin-made sheet | seat is comprised, while improving waterproofness, the heat insulation of a building can also be improved. In addition, it is less expensive than using a caulking material.

  According to the waterproof spacer of the second aspect, the resin sheet and the foamed sheet are bendable. Thereby, since it can be easily deformed along the base upper surface and the shaft set up from the base upper surface, various shapes can be dealt with. In addition, when storing, folding or winding the waterproof spacer improves storage performance.

  According to the waterproof spacer according to claim 3, the base side surface affixed to the top surface of the base so as to match the shape of the protruding corner or the corner of the base, and rises substantially perpendicularly from the base side. And two standing surfaces that are attached along the shaft. Thereby, the waterproofness of the corner | angular part of a foundation and an entrance corner part can be ensured reliably. Furthermore, since it is possible to omit the trouble of cutting the waterproof spacer in accordance with the shapes of the corners of the foundation and the corners of the foundation, the construction can be performed efficiently.

  According to the waterproof spacer according to claim 4, the resin sheet is formed in a long shape, and extends in the longitudinal direction of the resin sheet so that the resin sheet can be bent in an approximately L shape in the longitudinal direction. A fold is provided in advance. Thus, when the waterproof spacer is not used, it can be stored or carried in a rolled state, and is easy to handle. And when using the waterproof spacer, if it bends along the crease while sticking along the shaft assembly from the foundation using the adhesive member and the adhesive surface of the foam sheet, The gap between the foundation and the shaft can be easily closed. In addition, even if the foundation and the shaft assembly are provided at a substantially right angle by providing a crease in the resin sheet in advance, the angle and the heat resistance can be impaired because the angle can be accurately handled. There is no.

  Moreover, the said foamed sheet is formed with the groove part over the longitudinal direction in the location in which the crease | fold of the said resin-made sheet | seat was provided. Thereby, when the waterproof sheet is bent into a substantially L-shape, even if the foamed sheet has a certain thickness, the bent portion is not distorted or the like, so that waterproofness can be reliably ensured. it can.

  According to the waterproof structure on the foundation according to claim 5, the foundation has a shaft constructed by standing substantially vertically from the foundation of the building and the upper surface of the foundation, and the floor member of the building is more than the top end of the foundation. In a building provided at a low position, one surface side provided with the adhesive member of the resin sheet of the waterproof spacer according to any one of claims 1 to 4 erected substantially vertically from the foundation upper surface along the shaft set. It is pasted to close the gap. As a result, when the floor member is provided at a position lower than the top of the foundation than when the floor member is provided at a position higher than the top of the foundation, the gap between the foundation and the shaft assembly is reduced. Since it is important to prevent rainwater or the like from entering the waterproof spacer, a waterproof spacer can be preferably used. In this case as well, waterproofness can be ensured reliably and inexpensively.

  According to the waterproof structure on the foundation according to claim 6, the base material for fixing the inner wall material of the house is pressed and fixed on the foamed sheet attached to the other side of the resin sheet. As a result, the foamed sheet is crushed by the pressure at the time of fixing the base material or the load of the base material, so that the waterproof spacer is brought into close contact with the foundation, the shaft assembly, etc., and high waterproofness can be exhibited.

  The best embodiment of the waterproof spacer according to the present invention will be described below. As shown in FIG. 15, the waterproof spacer 1 according to the present invention closes the gap between the foundation 2 of the building and the shaft 3 constructed to stand substantially vertically from the upper surface of the foundation 2, and from the outside of the foundation 2. This is to prevent water from entering the inside. 1, 8, and 11, a resin sheet 4 that closes the gap, and an adhesive member that is provided on one surface side 4 a of the resin sheet 4 and can be attached to the upper surface of the foundation 2. 5 and a foamed sheet 6 having an adhesive surface 6a and affixed so as to cover the other surface side 4b of the resin sheet 4. And the waterproof spacer 1 is formed long as shown in FIG. 4, or is formed so as to match the shape of the corner 7 of the foundation 2 as shown in FIG. 9, or as shown in FIG. Furthermore, it can be formed and used so as to match the shape of the protruding corner portion 8 of the foundation 2.

  The resin sheet 4 is suitably used by, for example, forming a flexible and versatile resin material such as polypropylene into a sheet shape and cutting it into a predetermined size according to the shape of the waterproof spacer 1. can do. Moreover, the material of the resin sheet 4 can use polystyrene, PET, etc. besides the polypropylene mentioned above. The resin sheet 4 can also use a hard resin.

  The adhesive member 5 is provided on the one surface side 4 a of the resin sheet 4 and is used when pasting on the foundation 2. As the adhesive member 5, an acrylic waterproof double-sided tape can be suitably used as in this embodiment, but other waterproof double-sided tape may be used, and an adhesive or the like is separately applied. It may be.

  The foamed sheet 6 is made of, for example, a foamable material such as foamed polyethylene, and is formed into a sheet shape from a waterproof and heat-insulating material, and is appropriately cut to a predetermined size according to the shape of the waterproof spacer 1. Etc., and can be suitably used. In addition, the foamed sheet 6 can be made of foamed polyethylene as well as foamed polyurethane and the like. The foam sheet 6 can also use a hard resin. And the adhesive surface 6a is provided in the one surface side 6b of the foam sheet 6, and it affixes so that the other surface side 4b of the resin-made sheets 4 may be covered. The adhesive surface 6a, together with the adhesive member 5 of the resin sheet 4, is attached to the shaft assembly 3 that is constructed such that the waterproof spacer 1 is erected substantially vertically from the upper surface of the foundation 2 as shown in FIG. Also used when pasting along.

  An embodiment of the waterproof spacer 1 formed from the resin sheet 4, the adhesive member 5, and the foamed sheet 6 will be described below.

  As shown in FIGS. 1 and 4, the waterproof spacer 1 a according to the first embodiment is formed in an elongated band shape. Therefore, the resin sheet 4, the adhesive member 5, and the foamed sheet 6 are all formed in a long shape, and the waterproof sheet 1 a is formed so that these are bonded together. Then, as shown in FIG. 4, the waterproof spacer 1a has a shaft extending from the upper surface of the foundation 2 so as to close a gap between the foundation 2 and the shaft assembly 3 that is constructed to stand substantially vertically from the upper surface of the foundation 2. The waterproof spacer 1a stands up along the set 3 and is attached so as to be bent in a substantially L shape. Therefore, as shown in FIG. 1 and FIG. 4, the resin sheet 4 is provided with a fold 4 c in advance in the longitudinal direction so that the waterproof spacer 1 a can be easily bent. The fold 4c is formed by bending in advance or making a cut. The resin sheet 4 may be the same size as the foam sheet 6, but the resin sheet 4 is a part of the center of the one surface side 6 b of the foam sheet 6 as in the present embodiment shown in FIG. 1. If it is provided only in the case, sufficient waterproofness can be secured, and the material cost can be reduced.

  Further, when the waterproof spacer 1a is bent as shown in FIG. 2, the crease 4c as shown in FIG. A groove portion 6 c is formed at a location where the foam sheet 6 is provided along the longitudinal direction of the foam sheet 6. Specifically, as shown in FIG. 1, the end of one foamed sheet 6 is pasted along the fold 4c with the fold 4c of the resin sheet 4 on which the fold 4c is formed sandwiched, A groove portion 6c is formed such that the other foamed sheet 6 is attached to the other surface side 4b of the resin sheet 4 while being separated from the one foamed sheet 6 by the thickness thereof. Thereby, when the waterproof spacer 1a is bent, the other foamed sheet 6 enters the groove 6c, so that no distortion occurs.

  Further, a double-sided tape as an adhesive member 5 is provided on one end side 4a of the resin sheet 4 over the longitudinal direction at one end of the resin sheet 4, and as shown in FIG. Using the member 5 and the adhesive surface 6a of the foamed sheet 6, the waterproof spacer 1a is attached along the shaft assembly 3 from the upper surface of the foundation 2. The adhesive member 5 may be provided on the entire surface of the one surface side 4a of the resin sheet 4, but, as in the present embodiment shown in FIG. If it is only provided, sufficient waterproofness can be secured, and the material cost can be reduced. At this time, after removing moisture, dust, and the like at the attachment location such as the upper surface of the foundation 2 to which the waterproof spacer 1a is attached and the side surface of the shaft assembly 3, as shown in FIG. The waterproof spacer 1a is bent by grasping and the bent portion 9 is attached so as to press against the corner portion 10 formed on the inner side of the building by the upper surface of the foundation 2 and the shaft assembly 3. Thereby, since the resin sheet 4 can correspond to the foundation 2 and the corner portion 10 with high accuracy, there is no gap between the waterproof spacer 1a, the foundation 2 and the shaft assembly 3, and high waterproofness is achieved. Can be secured. The waterproof spacer 1a is firmly attached to the upper surface of the foundation 2 or the side surface of the shaft assembly 3 by pressing in the direction of the foundation 2 or the shaft assembly 3 from above the waterproof spacer 1a.

  Moreover, as shown in FIG. 4, when joining the waterproof spacers 1a on the foundation 2, a joint tape 11 such as a waterproof acrylic double-sided tape is used. In order to ensure, it is preferable to overlap the waterproof spacers 1a by 30 mm or more. Specifically, the intermediate tape 11 is attached to the end of the waterproof spacer 1a so as to slightly protrude from the waterproof spacer 1a. Then, the adhesive surface of the intermediate tape 11 is exposed, and the other waterproof spacer 1a is stuck on the one waterproof spacer 1a so as to cover the end of the other waterproof spacer 1a from above the adhesive surface. By joining the waterproof spacers 1a in this way, the waterproof property is not impaired by this joint.

  Further, as shown in FIG. 5, in a place where the shaft assembly 3 is not directly provided on the upper part of the foundation 2, such as a sash portion between the soils of a house, a relay tape 11 is attached to the end of the waterproof spacer 1a. It is preferable to keep it. Also at this time, the intermediate tape 11 is stuck to the end of the waterproof spacer 1a so as to slightly protrude from the waterproof spacer 1a. Thereby, waterproofness is not impaired by the edge part of the waterproof spacer 1a.

  And as shown in FIG. 15, compared with the floor down part 13 in which the floor member 12 is provided in a position lower than the top end of the foundation 2, the floor member 12 is provided in a position higher than the top end of the foundation 2. In the living room 14, the problem of intrusion of rainwater or the like from the gap between the foundation 2 and the shaft assembly 3 hardly occurs. Therefore, in the waterproof structure A on the foundation as shown in FIG. 15, the waterproof spacer 1 is used in the floor down portion 13, but other spacers (not shown) other than the waterproof spacer 1 are used in the other living rooms 14. There are many cases. Then, when connecting the waterproof spacer 1 and another spacer, as shown in FIG. 6, after attaching the waterproof spacer 1a so as to protrude about 200 mm to the other living room 14 side, 30 mm or more with other spacers as appropriate. It is preferable to join them together. Thereby, the waterproof property in the boundary of the floor down part 13 and the other living room 14 can be ensured reliably. Of course, the waterproof spacer 1 can also be used in the other living room 14 other than the floor down portion 13 in order to close the gap between the foundation 2 and the shaft assembly 3.

  When this waterproof spacer 1a is used, since the intermediate tape 11 is also used at the same time, as shown in FIG. 7, the waterproof spacer 1a is wound, and the intermediate tape 11 is wound around the waterproof spacer 1a. Handling during carrying and storage is facilitated, and workability is improved. At this time, a release sheet can be appropriately provided on the adhesive surface 6a, or a release resin can be provided on the other side surface 6d of the foamed sheet 6.

  As shown in FIG. 8, the waterproof spacer 1 b according to the second embodiment is attached to the foundation side surface 15 a attached to the foundation 2 and the shaft assembly 3 so as to match the shape of the corner 7 of the foundation 2. , And two standing surfaces 15b standing substantially vertically from the base side surface 15a. And the adhesive member 5 is provided in the one side surface 4a of the resin-made sheets 4, and the foam sheet 6 is provided in the other side surface 4b similarly to the waterproof spacer 1a which concerns on 1st Embodiment. Further, the waterproof spacer 1b is formed by assembling the resin sheet 4 and the foamed sheet 6 so as to have substantially the same shape. Further, as shown in FIG. 8, the waterproof spacer 1b is erected from the inner edge portion of the base side surface 15a and from both end portions thereof. The adhesive member 5 is provided standing along the surface 15b. Further, the method for forming the waterproof spacer 1b such as the position of the adhesive member 5 is not limited to that of the present embodiment, and can be changed as appropriate.

  When using the waterproof spacer 1b, as shown in FIG. 9, the waterproof spacer 1b is erected from the upper surface of the foundation 2 along the shaft assembly 3 at the corner 7 to block these gaps. After that, the waterproof spacer 1a according to the first embodiment is joined to both ends of the waterproof spacer 1b. At this time, as shown in FIG. 10, one of the waterproof spacers 1a is attached so as to win, and the end of the other waterproof spacer 1a is pushed against one of the waterproof spacers 1a. Affix to the waterproof spacer 1b. Thereby, the waterproofness of the corner 7 of the foundation 2 can be easily ensured. Moreover, how to attach the waterproof spacers 1a and 1b is not limited to the above-described method, and can be appropriately changed.

  As shown in FIG. 11, the waterproof spacer 1 c according to the third embodiment is attached to the foundation side surface 16 a attached to the foundation 2 and the shaft assembly 3 so as to match the shape of the protruding corner portion 8 of the foundation 2. , And two standing surfaces 16b that rise substantially vertically from the base side surface 16a. And the adhesive member 5 is provided in the one side surface 4a of the resin-made sheets 4, and the foam sheet 6 is provided in the other side surface 4b similarly to the waterproof spacer 1a which concerns on 1st Embodiment. Further, the waterproof spacer 1c is formed by assembling the resin sheet 4 and the foamed sheet 6 so as to have substantially the same shape, and further, as shown in FIG. 11, the outer edge portion and the end portion of the base side surface 16a, The adhesive member 5 is provided so as to stand up along the upright surface 16b from both ends of the base side surface 16a. Further, the method for forming the waterproof spacer 1c such as the position of the adhesive member 5 is not limited to that of the present embodiment, and can be changed as appropriate.

  When the waterproof spacer 1c is used, as shown in FIG. 12, the waterproof spacer 1c is erected from the upper surface of the foundation 2 along the shaft assembly 3 so as to block these gaps. After that, the waterproof spacer 1a according to the first embodiment is joined to both ends of the waterproof spacer 1c. In this case, as shown in FIG. 13, the waterproof spacer 1a is attached so that either one of the waterproof spacers 1a wins, the unnecessary portion 17 at the end of the other waterproof spacer 1a is appropriately cut, The end is stuck on the waterproof spacer 1c so as to abut against one of the waterproof spacers 1a. Thereby, the waterproofness of the protruding corner portion 8 of the foundation 2 can be easily ensured. Moreover, how to attach the waterproof spacers 1a and 1c is not limited to the above-described method, and can be appropriately changed.

  As shown in FIG. 15, the waterproof spacer 1 formed as described above is used as the waterproof structure A on the foundation by using it in the floor down portion 13 in which the floor member 12 is provided at a position lower than the top end of the foundation 2. Thus, it is possible to easily and inexpensively close the gap between the foundation 2 and the shaft assembly 3 and ensure the waterproof property of the floor down portion 13.

  Further, in the waterproof structure A on the foundation shown in FIG. 15, in order to further improve the waterproof property of the gap between the foundation 2 and the shaft assembly 3, a base material 19 for fixing the inner wall material 18 shown in FIG. As shown in FIG. 14, a more stable waterproof performance can be secured by placing and fixing the foamed sheet 6 on the waterproof spacers 1a, 1b, and 1c with screws 20 or the like.

  The waterproof spacer 1 according to the present invention can be used not only for waterproofing the gap between the foundation 2 and the shaft assembly 3 but also for gaps between other building elements such as beams.

The side view of the waterproof spacer which concerns on 1st Embodiment The side view which shows the state which bends the waterproof spacer which concerns on 1st Embodiment. Sectional drawing which shows the state which pastes the waterproof spacer which concerns on 1st Embodiment The perspective view which shows the state which the waterproof spacer which concerns on 1st Embodiment joins The perspective view which shows the edge part of the waterproof spacer which concerns on 1st Embodiment. The figure which shows the state in the boundary with other living rooms The perspective view which shows the state which wound the waterproof spacer which concerns on 1st Embodiment. The perspective view of the waterproof spacer which concerns on 2nd Embodiment The perspective view which shows the state which affixes the waterproof spacer which concerns on 2nd Embodiment. The perspective view which shows the state which affixed the waterproof spacer which concerns on 2nd Embodiment. The perspective view of the waterproof spacer which concerns on 3rd Embodiment The perspective view which shows the state which affixes the waterproof spacer which concerns on 3rd Embodiment. The perspective view which shows the state which affixed the waterproof spacer which concerns on 3rd Embodiment. Sectional view showing the state with the base material attached Cross section of foundation Section showing conventional technology

Explanation of symbols

1 (1a, 1b, 1c) Waterproof spacer 2 Foundation 3 Shaft assembly 4 Resin sheet 4a One side 4b The other side 4c Fold 5 Adhesive member 6 Foam sheet 6a Adhesive surface 6b One side 6c Groove 7 Insert corner 8 Out corner 13 Floor member 18 Base material

Claims (6)

A waterproof spacer for closing a gap between a foundation of a building and a shaft constructed by standing substantially vertically from the upper surface of the foundation, and preventing water from entering from the outside to the inside of the foundation,
A resin sheet provided with an adhesive member that can be attached to the upper surface of the foundation on one side;
And a foamed sheet affixed to the other side of the resin sheet.   The waterproof spacer according to claim 1, wherein the resin sheet and the foamed sheet are freely bendable.   A base side surface that is affixed to the top surface of the base so as to match the shape of the corners or corners of the base, and two uprights that are affixed so as to be substantially perpendicular to the base side surface and along the shaft set The waterproof spacer according to claim 1, further comprising a surface.   The resin sheet is formed in a long shape, and a crease is provided in advance in the longitudinal direction of the resin sheet so that the resin sheet can be bent in an approximately L shape in the longitudinal direction. The waterproof spacer according to claim 1 or 2, wherein a groove portion is formed in the sheet at a location where the fold is provided over the longitudinal direction. In a building that has a shaft constructed by standing upright from the foundation of the building and the upper surface of the foundation, and the floor member of the building is provided at a position lower than the top of the foundation,
5. The one side of the waterproof spacer according to claim 1, on which the adhesive member of the resin sheet is provided, is affixed so as to stand substantially vertically from the upper surface of the foundation along the shaft set to close these gaps. Waterproof structure on the foundation characterized by that.   6. The waterproof structure on a foundation according to claim 5, wherein a base material for fixing an inner wall material of a house is pressed and fixed on the foamed sheet attached to the other surface side of the resin sheet.

Images