JP2019027168A - Building of airtight foundation structure and packing material used therefor - Google Patents

Abstract

To provide a building of a foundation structure superior in termite repellency and airtightness.SOLUTION: The building comprises: a concrete foundation 1; and a bed 2 placed on the upper surface of the concrete foundation via a packing material 3. The packing material 3 is constituted of a flexible resin or rubber sheet material 11 and multiple projections 12 disposed on the upper surface thereof. The projection 12 is formed of foamed silicone mixed with a delayed active thiamethoxam superior in safety property and effectiveness as termite prevention agent. The decomposition temperature of the thiamethoxam is 139°C, and the foamed silicone foams at a normal temperature and is superior in elasticity. Since a spacer 4 is disposed between the foundation 1 and the bed 2, the projection 12 is rarely collapsed excessively. Therefore, the building is ensured with high durability, and in the case that the spacer 4 has an isolation function, the followability is also ensured.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a building having an airtight foundation structure and a packing material used therefor.

  In wooden houses and prefabricated houses, a concrete foundation is constructed on the ground, then a wooden base is placed on the top surface of the foundation, and the upper part of the building is built on top of the foundation. It is practiced to arrange a packing between them to form an airtight basic structure.

  Adopting such an airtight foundation structure is to prevent the invasion of white ants and to improve the heat insulation, and as an example in FIG. It is disclosed that two protrusions are provided on the upper surface.

Japanese Patent No. 3527654

  Since the sheet-like packing material (for example, rubber sheet) has a small amount of crushed deformation, if the sheet-like packing is simply sandwiched between the foundation and the base, unevenness of the upper surface of the foundation is somewhat large. There is a possibility that a gap may be formed between the foundation and the packing or between the packing and the base. However, if a protrusion is provided on the packing material as shown in FIGS. Since the amount is large, there is an advantage that high airtightness can be secured by closing the gap between the foundation and the foundation even if the foundation is uneven.

  However, there is a concern that the ridges may be crushed too much and deterioration may be accelerated by simply interposing the ridged packing between the foundation and the base. In addition, a large number of anchor bolts are erected at predetermined intervals on the foundation, and a large number of bases fitted to the anchor bolts are connected while being slightly shifted, and are incorporated into the frame as a whole. Since the friction is large if it is only placed on the base, there is a concern that it may be difficult to shift the base when connecting the bases.

  This invention is made | formed in view of such a present condition, and it aims at providing the building of the airtight foundation structure which was excellent in the airtightness and the adaptability to a seismic isolation structure.

  The present invention includes an airtight foundation structure building and packing material, and typical configurations are specified in the claims. Among these, the invention of claim 1 relates to a building having an airtight foundation structure, and the foundation of the airtight foundation structure has a foundation disposed on a concrete foundation, and the foundation and the foundation are arranged between the foundation and the foundation. This is a basic configuration in which a spacer arranged in a jumping manner in the longitudinal direction of the foundation and a packing material extending over the entire length of the foundation and the foundation are interposed.

  In claim 1, the packing material is composed of a strip-shaped soft sheet material and one or a plurality of soft foam ridges provided on the upper surface, the lower surface, or both surfaces of the sheet material, An anti-anticide is mixed in the ridge.

  The invention of claim 2 is a preferred embodiment of claim 1 in which the protrusions are made of foamed silicone, and thiamethoxam is mixed as the anti-anticide.

  In claim 2, thiamethoxam is mixed as an ant inhibitor, but various other ant inhibitors (insecticides) can be used. For example, if it is the same neonicotinoid type as thiamethoxam, clonatidine, imidacloprid, dinotefuran and the like can be mentioned.

  Other chemical-based anti-anticides include carbamate-type fenocable, pyrethroid-based permethrin, bifenthrin, tralomethrin, pyrethroid-type etofenprox, phenylpyrazole-type fipronil, phenylpyrrole-type chlorfenapyr. Boric acid and natural chemicals can also be used. It is also possible to mix a plurality of kinds of termite-proofing agents.

  According to a third aspect of the present invention, in the first or second aspect, the sheet material is mixed with or coated with a termite-proofing agent, and a blank portion that protrudes on one side or both sides of the base is formed on the sheet material. The margin is folded up and held on the side surface of the base.

  According to a fourth aspect of the present invention, in any one of the first to third aspects, the spacer has a size that overlaps the protrusion of the sheet material, and a portion of the protrusion that overlaps the spacer is cut off.

  The packing material is specified in claim 5. That is, the present invention is a packing material disposed between a concrete foundation and a foundation disposed thereon, and is provided on a belt-like soft sheet material and the upper surface, the lower surface or both surfaces of the sheet material. These ridges are made of one or a plurality of soft foam ridges, the ridges are made of foamed silicone, and thiamethoxam is mixed as an anti-anticide. As already mentioned, an anti-anticide other than thiamethoxam can also be used.

  In the present invention, since at least the protrusions contain the ant-proof material, it is possible to prevent the white ants from entering between the foundation and the base and prevent the wood such as the base from being damaged by the white ants. In particular, white ants have the property of invading through the mouth of wood and eating away the soft layer of the annual ring, and if they enter the bolt insertion hole in which the anchor bolt is fitted, they will cause damage from the inner peripheral surface of the hole to the soft layer of the annual ring. Although it is easy to receive, in this invention, since a white ant can prevent reaching to a bolt penetration hole, the corrosion damage of a base can be prevented.

  Moreover, since the space | interval between a foundation and a base is prescribed | regulated by the spacer, the protrusion of a packing material does not collapse excessively. For this reason, durability of a protrusion can be improved. In addition, since the foundation is placed on the spacer, there is no significant friction between the packing material and the foundation even if the ridge is crushed and deformed, and the foundation is slightly shifted in the horizontal direction in the connection work between the foundations. Can be done easily. Therefore, it can also contribute to improving the efficiency of building construction.

  Furthermore, in the present invention, a spacer having a seismic isolation function can be used as a spacer, and in the event of an earthquake, the base and the base are relatively isolated from each other in the horizontal direction. Is not crushed excessively, it does not resist the relative movement between the foundation and the foundation, and does not hinder the seismic isolation function.

  In order to give the protrusion a high sealing property, a material having a large elastic deformation may be selected. On the other hand, those having both properties of effect and safety to human body are suitable as the termite-proofing agent, and thiamethoxam is preferred. However, thiamethoxam has low heat resistance and has the property of decomposing when it exceeds 139 ° C.

  When focusing only on elasticity and strength as the material of the protrusion, it can be said that, for example, a foamed urethane resin is suitable. However, a urethane resin generally has a foaming temperature of 150 to 200 ° C., and therefore, thiamethoxam is mixed and altered. It is difficult to foam.

  On the other hand, as in claims 2 and 5 of the present invention, when foamed silicone is used as the protrusion, since the silicone foams and solidifies at room temperature, it can be foamed without being added with thiamethoxam. Moreover, since the amount of elastic deformation is large, high sealing performance can be ensured. When the seismic isolation spacer is used, it is also suitable as a seismic isolation airtight foundation structure because it is excellent in the ability to follow deformation with respect to the relative movement between the foundation and the foundation.

  It is preferable that the sheet material also has an ant-proofing performance. However, as described in claim 3, when the blank portion of the sheet material is overlapped on the side surface of the base, the white ants can be prevented from entering between the foundation and the base. The ant-proof property of the building can be further improved. In this case, in the case of a solid foundation, a blank portion may be overlapped on the side surface constituting the outer surface of the building, and in the case of a cloth foundation, the blank portion may be overlapped on both side surfaces of each foundation.

  From the viewpoint of workability, it is preferable that the packing material is overlapped on the foundation and the spacer is disposed thereon from the viewpoint of workability. The spacer is preferably made as large as possible in order to ensure the stability of the base, and the spacer tends to overlap the protrusion.

  In this case, it is also possible to crush the portion of the ridge where the spacer is placed by the weight of the building while keeping the spacer overlaid on the ridge. It is also possible to excise the overlapping part. And when comprised like Claim 4, since the whole spacer overlaps exactly on a sheet | seat material, it can be said that high stability can be ensured and it is suitable.

  If thiamethoxam is used as an ant-proofing agent as in claim 5, it has the advantage of continuing to exhibit a long-lasting and high ant-proofing effect over a long period of time, and the advantage of being excellent in safety to humans. It is suitable as an anti-anticide.

It is a figure which shows 1st Embodiment, (A) is an isolation | separation perspective view, (B) is a fragmentary perspective view of packing material. It is a figure which shows the setting step of packing material and a spacer among construction procedures. It is a figure which shows the set stage of a foundation among construction procedures. It is a figure which shows the seal | sticker stage of a spacer peripheral part among construction procedures ((A) is sectional drawing, (B) is a top view). It is a figure which shows the process of turning up the blank part of a sheet | seat material among construction procedures. It is principal part sectional drawing after construction. It is a top view of 2nd-5th embodiment which is another example of packing material. It is a figure which shows 6th-10th embodiment.

(1). First Embodiment Next, an embodiment of the present invention will be described with reference to the drawings. First, a first embodiment shown in FIGS. 1 to 6 will be described. In this embodiment, as shown in FIG. 1, the foundation of the building includes a concrete foundation 1, a wooden base 2 disposed thereon, and a packing interposed between the foundation 1 and the base 2. A material 3 and a spacer 4 are provided.

  The foundation 1 of this embodiment is a solid foundation, and anchor bolts 5 project from the surface at a predetermined interval. In addition, heat insulating panels 6 that also serve as concrete casting molds are attached to both the front and back surfaces of the foundation 1. The heat insulation panel 6 is made of a foamed resin such as foamed polyethylene or foamed polystyrene. The heat insulating panel 6 may be disposed only on the outer surface of the foundation 1. Further, the heat insulating panel 6 may be bonded with an adhesive after the foundation 1 is constructed.

  The base 2 has a bolt insertion hole 7 into which the anchor bolt 5 is fitted. In this embodiment, the countersink hole 10 into which the washer 8 and the nut 9 are fitted is opened on the upper surface of the base 2, but the washer 8 may be stacked on the upper surface of the base 2 without opening the countersink hole 10. .

  The packing material 3 is composed of a strip-shaped sheet material 11 and two ridges 12 provided on the upper surface thereof. The sheet material 11 overlaps the entire lower surface of the base 2 and is made of a material that is flexible and compressively deformed, such as a foamed resin sheet such as foamed polystyrene or a rubber plate.

  In the present embodiment, the sheet material 11 has a blank portion 11 a that protrudes outside the foundation 1. The width of the blank portion 11 a is approximately the same as the height of the base 2. The blank portion 11 a is folded up and fixed to the outer surface of the base 2. The blank portion 11a can be fixed to the base 2 with a double-sided adhesive tape, or an adhesive (adhesive) can be applied in advance and covered with a release paper. As shown in FIG. 1, the fold of the blank portion 11a is indicated by reference numeral 11b.

  The ridge 12 is made of foamed silicone, and thiamethoxam is mixed as an anti-anticide. The amount of thiamethoxam mixed may be about 100 to 1000 ppm in terms of the outer weight ratio. The ridges 12 have a square cross section (quadrangle), but various cross-sectional shapes such as a trapezoidal shape, a kamaboko shape, and a semicircular shape can be adopted. As a specific method of providing the ridge 12 on the sheet material 11, the ridge 12 is manufactured in advance by extrusion molding, casting molding, or the like, and this is adhered to the sheet material 11 with an adhesive (adhesive). There are a method and a method of integrally forming the sheet material 11 using a jig having a groove. Either can be adopted.

  The spacer 4 has a ring plate shape and is fitted into the anchor bolt 5. The outer diameter of the anchor bolt 5 is slightly smaller than the width of the base 2. Therefore, although it overlaps with the ridge 12 from the top, the part which overlaps with the spacer 4 among the ridge 12 is cut out, and the spacer 4 entirely overlaps with the sheet material 11.

  The spacer 4 can have a seismic isolation function. In other words, the spacer 4 has a configuration in which two upper and lower plates are connected by an elastic body, and the upper and lower two plates are allowed to move relative to each other in the horizontal direction against the elasticity of the elastic body. Seismic isolation (reduction) can be performed by suppressing the shaking of the foundation 1 rather than shaking. When the seismic isolation type spacer 4 is used in this way, the bolt insertion hole 7 of the base 2 has a larger diameter than usual, and the washer 8 and the counterbore hole 10 are preferably circular (flat) It is also preferable to use a washer and a spring washer together.)

(2). Construction Procedure FIG. 2 shows a process for setting the packing material 3 and the spacer 4. In this example, first, as shown in (A), the sheet material 11 constituting the packing material 3 is cut into a portion corresponding to each anchor bolt 5 in the sheet material 11 to make the sheet material 11 into a group of anchor bolts 5. Fit from above. As shown in FIG. 1, the notch 13 may be formed in a cross shape.

  Next, the spacer 4 is fitted into the anchor bolt 5, and the portion of the protrusion 12 that overlaps the spacer 4 is cut off with a blade. Specifically, two cuts 12a may be made in the ridge 12 with a blade, and the cut portion 12b between the two cuts may be peeled off from the sheet material 11.

  Next, as shown in FIG. 3, the base 2 is fitted into the anchor bolt 5. Thereby, the ridge 12 is crushed and deformed by the weight of the base 2, and the base 2 is supported by the group of spacers 4. The foundation 1 is formed in a portion corresponding to the wall of the building, and the foundation 2 is also composed of a plurality of pieces. However, after the foundations 2 are connected to finish the foundation frame, the nuts 9 are screwed into the foundations 2. To fix. The extent to which the ridge 12 is crushed and expanded can be arbitrarily set. In the embodiment, it is set so as to spread over a considerably wide range.

  In the process of connecting the bases 2 to each other, the base 2 may be displaced within the clearance range between the anchor bolt 5 and the bolt insertion hole 7, but the base 2 is placed on the spacer 4 and is strong between the ridges 12. Since there is no friction, the base 2 can be moved easily. Therefore, it can be said that the finishing work of the foundation frame can be performed efficiently.

  Since the protrusion 12 is cut off at the position of the spacer 4, there is a possibility that white ants enter the lower portion of the base 2 from the position of the spacer 4. Therefore, in the present embodiment, as shown in FIG. 4, the foamed silicone foam containing thiamethoxam is sprayed around the spacer 4 by the manual two-liquid mixing and discharging gun 14 to prevent the gap around the spacer 4. Filled with ant layers 15. The ant protection layer 15 may protrude outside the base 2.

  The foamed silicone foam is formed by mixing the liquid A filled in the first cartridge 16 and the liquid B filled in the second cartridge 17 with the nozzle 18 using the two-liquid mixing / discharging gun 14. Thiamethoxam may be mixed in any liquid (it is possible to mix it in both liquids). The two-liquid mixing / discharging gun 14 includes a grip with a handle, and the silicone foam can be discharged from the nozzle 18 by pulling the handle and advancing the plungers of the cartridges 16 and 17. An electric or pneumatic gun may be used instead of the manual gun.

  The filling operation using the foamed silicone foam may be performed before the base 2 is fitted into the anchor bolt 5. Alternatively, foamed silicone foam may be injected into the gap between the anchor bolt 5 and the bolt insertion hole 7. In this case, since the white ants can be shut out from entering the bolt insertion holes 7, it is possible to further prevent the white ants from being damaged.

  Next, as shown in FIG. 5, the blank portion 11 a of the sheet material 11 is folded upward and fixed to the side surface of the base 2. As described above, a double-sided adhesive tape or the like may be used as the fixing method. When the foundation 1 is a cloth foundation, as shown in FIG. 5 (B), blank portions 11 a that protrude on both sides of the base 2 are formed on the sheet material 11, and both margin portions 11 a are fixed to the side surfaces of the base 2. I should do it.

  In FIG. 6, an example of the cross section of the principal part after constructing as a building is displayed. On the outside of the base 2, a siding 22 such as an exterior panel 19, a wall heat insulating material 20, a ventilation layer 21, and a ceramic industry is formed in order from the side close to the base 2, and a draining material 23 is disposed below the siding 22. It is arranged in a substantially horizontal posture. Although a waterproof sheet is disposed on the outer surface of the wall heat insulating material 20, it is omitted in the figure. In the ventilation layer 21, vertical metal fittings that define a gap are arranged at appropriate intervals, and the siding 22 is supported by the vertical metal fittings.

  A mortar layer 24 is applied to the outer surface of the outer heat insulating panel 6. On the inner side of the base 2, a floor board 25 is disposed via a large draw or joist, and a heat insulating material 26 is stretched on the lower surface of the floor board 25. The wall includes an interior panel 27, and the interior panel 27 is supported by a baseboard 28. Note that the illustrated wall and floor structures are examples, and various other embodiments are possible.

(3). Summary As described above, since the base 2 is supported by the base 1 via the spacer 4, the protrusion 12 is not excessively crushed, and high durability can be ensured. In particular, when the seismic isolation spacer 4 is used, it becomes easy to deform the protrusion 12 following the relative movement between the foundation 1 and the base 2, so that the seismic isolation function can be secured firmly.

  And since the gap between the foundation 1 and the base 2 is sealed by the ant-proof protrusion 12, the white ants are prevented from entering the gap between the foundation 1 and the base 2, and the damage caused by the white ants is prevented. Can be prevented. In particular, when the ant protection layer 15 made of foamed silicone foam is formed at the location of the spacer 4 as in the embodiment, the invasion of the white ants can be shut out over the entire length of the base 2, so that the prevention of white ants can be reliably prevented.

  In addition, since the foamed silicone is greatly elastically deformed, when the spacer 4 has a seismic isolation function, the sealing performance does not deteriorate even if the foundation 1 and the base 2 move relative to each other. This is also one of the great advantages of this embodiment. In the spacer 4 with seismic isolation function, horizontal grooves may be formed on the upper and lower surfaces, but in this embodiment, the spacer 4 is formed from the inner and outer sides of the base 2 with the ant-proof layer 15. Since it is sandwiched, white ants cannot enter the groove of the spacer 4. Accordingly, the white ants cannot enter the bolt insertion holes 7 of the base 2 and cannot enter the under-floor space across the bottom of the base 2, thereby ensuring high ant protection performance.

  Furthermore, as in the present invention, when the blank portion 11a is provided in the sheet material 11 and this is overlapped and fixed to the side surface of the base 2, it is impossible for the white ants to reach the place between the foundation 1 and the base 2. The ant protection performance is further enhanced. Note that an anti-anticide such as thiamethoxam is also mixed in the heat insulating panel 6 stretched on the foundation 1. Therefore, the ant protection performance of the base portion is extremely high.

(4). Other Embodiments Next, other embodiments shown in FIGS. 7 and 8 will be described. First, the embodiment shown in FIG. 7 will be described. The embodiment of FIG. 7 is a modification of the packing material 3. In the second embodiment shown in FIG. 7A, a longitudinal center line 30 through which the center of the anchor bolt 5 passes is displayed on the sheet material 11. When the vertically long center line 30 is provided in this way, the notch 13 is formed at an accurate position in forming the notch 13 for fitting the anchor bolt 5 as shown in FIGS. 1 (A) and 2 (A). it can. Therefore, the lateral displacement of the packing material 3 can be prevented.

  Although it is described in Patent Document 1 that the ant-proof sheet having the ridges is arranged between the foundation and the base, since the anchor bolt is erected on the foundation, the anchor bolt is fitted into the ant-proof sheet. I have to. In this case, conventionally, a cross-shaped cut or the like is made in the ant protection sheet with a knife or other cutting tool, and then the anchor bolt is passed through the ant protection sheet. However, it is troublesome to make a cut with the cutting tool one by one. Moreover, if the position of the cut is shifted in the width direction of the foundation, there is a problem that the positioning of the ant-proof sheet may be inaccurate.

  In order to solve this problem, in the third embodiment shown in FIG. 7 (B), the sewing machine wire 31 is formed at a location where the center of the anchor bolt 5 passes in the sheet material 11. In this embodiment, a hole into which the anchor bolt 5 is fitted can be easily and accurately formed by pressing and breaking the position of the sewing machine wire 31 against the anchor bolt 5 from above. Therefore, the efficiency of the arrangement work of the packing material 3 can be improved, and the sheet material 11 can be accurately positioned.

  In the fourth embodiment shown in FIG. 7 (C), a large number of cut lines 32 are formed at locations where the center of the anchor bolt 5 passes in the sheet material 11. When the anchor bolt 5 is positioned at the cut line 32, the sheet material 11 can be fitted into the anchor bolt 5 as it is. When the anchor bolt 5 is located at the bridge portion of the adjacent cut lines 32, the bristle portion may be cut by hand or with a blade to connect the two cut lines 32 together.

  The fifth embodiment shown in FIG. 7D is a modification of the fourth embodiment, and a slit 33 is formed instead of the cut line 32 of the fourth embodiment. The groove width of the slit 33 may be set to a size smaller than the outer diameter of the anchor bolt 5 or may be set to the same extent as the outer diameter of the anchor bolt 5. These embodiments of FIG. 7 can be widely applied to a sealing material in which a protrusion is provided on a soft sheet material independently of the present invention.

  In the sixth embodiment shown in FIG. 8A, the protrusion 12 is manufactured separately from the sheet material 11, and is attached to the sheet material 11 with an adhesive (adhesive) 34. Yes. The strength of the adhesive 34 is set to such a level that it can be peeled off from the sheet material 11 when pulled by a hand without increasing the adhesive strength of the adhesive 34. Therefore, as shown in FIGS. 2B and 2C, part of the protrusion 12 can be easily cut off. For adjusting the adhesive force of the adhesive, for example, an adhesion suppression layer such as a silicone resin film may be formed on the surface of the sheet material 11.

  In the seventh embodiment shown in FIG. 8B, three protrusions 12 are formed on the sheet material 11. The number of the ridges 12 can be arbitrarily set according to the size of the base 2 or the like. In the eighth embodiment shown in FIG. 8C, the spacer 4 is placed as it is without cutting the protrusion 12, and the protrusion 12 is crushed by the spacer 4. Since the spacer 4 is located inside the outer edges of the two protrusions 12, the spacer 4 is entirely covered with the protrusions 12.

  In the ninth embodiment shown in FIG. 8 (D), when the two bases 2 are connected so that the side surface of one base 2 and the end face of the other base 2 overlap each other, the blank portion of the sheet material 11 11a is overlaid on the end face (front face) of one base 2. As already mentioned, white ants usually invade from the end of the wood, and thus covering the end of the base 2 with the sheet material 11 from the outside can prevent the invasion of white ants accurately. Can improve ant-proof performance.

  In the tenth embodiment shown in FIG. 8 (E), an oval auxiliary spacer 35 made of the same material as the protrusions 12 is arranged on the lower surface of the spacer 4. The auxiliary spacer 35 closes the space between the adjacent ridges 12 and has the same height as the ridges 12. At the time of construction, the ridge 12 is not cut, and the ridge 12 and the auxiliary spacer 35 are crushed by the spacer 4. The auxiliary spacer 35 may be prepared separately from the spacer 4 and may be set by being fitted to the anchor bolt 5 at the site, or may be bonded to the lower surface of the spacer 4 in advance.

  In the case of the seismic isolation (quake-reduction) type spacer 4, there is a type in which the upper and lower plates are connected by an elastic belt, and in this type, two grooves in which the elastic belt is fitted on both upper and lower surfaces of the spacer 4 4a is formed, but if the auxiliary spacer 34 is bonded in a posture parallel to the groove 4a, the groove 4a does not open to the outside of the ridge 12, so that the ant protection layer 15 as shown in FIG. Can be eliminated. As shown by a two-dot chain line, when the protrusions 12 are provided also at the longitudinal side edge portions of the sheet material 11 (therefore, in this case, four protrusions 12 are formed), the spacer 4 becomes the protrusion 12 Since it is completely enclosed by the ant, the ant protection effect is further ensured.

  The embodiment of the present invention has been described above, but the present invention can be embodied in various ways. For example, the sheet material can have a laminated structure. Alternatively, it is possible to form ridges on both the front and back surfaces of the sheet material so that the height of the ridges on the upper surface is higher than the ridges on the lower surface. The planar shape of the spacer is not limited to a circle, and can be formed in various shapes such as a polygon such as a square or a hexagon, an ellipse, or an oval.

  The present invention can be actually embodied in a building and packing material having an airtight foundation structure. Therefore, it can be used industrially.

DESCRIPTION OF SYMBOLS 1 Foundation 2 Base 3 Packing material 4 Spacer 5 Anchor bolt 6 Thermal insulation panel 7 Bolt insertion hole 11 Sheet material 11a Blank part 12 Projection 13 Incision 14 Two-liquid mixing discharge gun 15 Antifoam layer made of foamed silicone

Claims (5)

A foundation is disposed on a concrete foundation, and a spacer disposed between the foundation and the foundation so as to jump in the longitudinal direction of the foundation and the foundation 2 and extends over the entire length of the foundation and the foundation. A structure in which a packing material is interposed,
The packing material is composed of a strip-shaped soft sheet material and one or a plurality of soft foam material protrusions provided on the upper surface, the lower surface, or both surfaces of the sheet material, and at least the protrusions are provided with an ant-proofing agent. ,
A building with an airtight foundation. The ridge is made of foamed silicone, and thiamethoxam is mixed as the anti-anticide,
A building having an airtight foundation structure according to claim 1. The sheet material is mixed with or coated with an ant-proofing agent, and a blank portion that protrudes on one side or both sides of the base is formed on the sheet material. Held on top of each other,
A building having an airtight foundation structure according to claim 1 or 2. The spacer has a size that overlaps the protrusion of the sheet material, and the portion of the protrusion that overlaps the spacer is cut off.
The building of the airtight foundation structure as described in any one of Claims 1-3. A packing material disposed between a concrete foundation and a foundation disposed thereon;
It consists of a strip-shaped soft sheet material and one or a plurality of soft foamed material protrusions provided on the upper surface, the lower surface or both surfaces of the sheet material, and the protrusions are made of foamed silicone, Thiamethoxam is mixed as an agent,
Packing material used for buildings with an airtight foundation structure.

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