KR20040033522A - Structure and method for preventing noise and heat transmission using air - Google Patents

Abstract

PURPOSE: A soundproof and adiabatic floor structure using an air layer is provided to prevent noise and heat from transferring from the upper floor to the lower floor, and to form an air layer without the waste of adiabatic members. CONSTITUTION: The soundproof and adiabatic floor structure using an air layer contains: an adiabatic member(10) whose lower part is placed on the concrete floor to form an air layer; a band(20) attached to the upper side of the adiabatic member(10) and provided with many holes; a pipeline(30) fixed to the upper parts of the adiabatic member(10) and the band(20); many clips(40) provided with grooves to fix the pipeline(30) to the band(20); a fixture(50) composed of a body, projections and a pin connected to each projection to fix four adiabatic members closely; and an upper plate(60).

Description

Sound insulation and insulation floor structure using air layer and manufacturing method thereof {Structure and method for preventing noise and heat transmission using air}

The present invention relates to a soundproofing and insulating floor structure using an air layer and a method of manufacturing the same, and more particularly, by forming an air layer having excellent soundproofing and insulating effect between a concrete floor of a building and a heat insulating material, such as in a building, especially an apartment building. The present invention relates to a soundproofing and insulating floor structure using an air layer, and a method of manufacturing the same, to block noise and heating heat from the bottom of the concrete floor.

Conventional soundproofing and insulating floor structure is a number of applications and registered in addition to the Republic of Korea Utility Model No. 0267986 (prefabricated sound insulation structure).

The prefabricated sound insulation structure has a cross-shaped cross section having a long longitudinal direction, but both ends of the cross-shaped connecting pedestal formed with grooves, and the cross-shaped connecting pedestal so that a plurality of cross-shaped connecting pedestals are arranged in a planar grid form space A stepped nut having a stepped groove for providing a stepped groove and an end of the stepped groove so that the groove of the cross-shaped connecting pedestal is not caught and detached from the bottom of the building. And supporting corner bolts.

However, the design has to be composed of a single plate insulated with a heat insulator and mortar, there is no air layer between the bar, there is a problem that sound insulation and heat insulation effect is deteriorated accordingly.

An object of the present invention is to solve the above problems, by adding a predetermined shape to the heat insulating material laminated on the concrete floor to secure the air layer to enhance the sound insulation and heat insulation effect by the air layer.

Still another object of the present invention is to manufacture a heat insulating material having a predetermined shape without waste of the heat insulating material when manufacturing a heat insulating material of a predetermined shape.

1 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the first embodiment of the present invention.

2 is a perspective view of a clip according to a first embodiment of the present invention;

3 is a perspective view of a fixture according to a first embodiment of the present invention;

Figure 4 is a perspective view of the sound insulation and heat insulation floor structure using the air layer according to a second embodiment of the present invention.

5 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the third embodiment of the present invention.

6 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the fourth embodiment of the present invention.

7 is a cross-sectional view showing a cut state of the heat insulating material for producing a heat insulating material used in the fourth embodiment of the present invention.

8 is a cross-sectional view showing a binding method of the upper insulation and the lower insulation according to the fourth embodiment of the present invention.

The present invention for achieving the above object, relates to a soundproofing and insulating floor structure using an air layer, has a predetermined area and a predetermined thickness, the upper surface has a flat shape and the lower surface in contact with the concrete floor is wavy It has a corrugated shape and includes a heat insulating material 10 to form an air layer when the bottom surface is laminated on the concrete floor.

Preferably, the band 20 is attached to a predetermined position of the upper surface of the heat insulating material 10 and has a plurality of holes; Pipe 30 is fixed to the upper surface and the band 20 of the heat insulating material 10; A clip (40) having grooves (41) of predetermined depths at both ends thereof to perform a function of fixing the pipe (30) to a predetermined position of the band (20); And a body 51 of the disc, a predetermined number of protrusions 52, and perpendicularly connected to each of the protrusions 52 in order to perform a function of tightly fixing another three heat insulating materials adjacent to the heat insulating material 10. Fixing means (50) consisting of a fin (53) of a predetermined length for tightly fixing the four heat insulating materials; Characterized in that it comprises a.

On the other hand, the present invention relates to a soundproofing and insulating floor structure using an air layer, and has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a flat shape, in close contact with the concrete floor and a predetermined interval on the upper surface A lower heat insulating material 71 having a plurality of concave groove portions 71a in predetermined directions each time; And a predetermined area and a predetermined thickness, and an upper surface thereof has a flat shape, and a lower surface thereof is the same as a mirror image with a plurality of concave groove portions 71a provided on the upper surface of the lower insulating material 71. And an upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction. Including, but the lower heat insulating material 71 and the upper heat insulating material 72 is bound to each other, characterized in that to form an air layer by the plurality of concave groove portion (71a) and the concave groove portion (72a).

On the other hand, the present invention relates to a soundproofing and insulating floor structure using an air layer, and has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a flat shape, in close contact with the concrete floor and a predetermined interval on the upper surface A lower heat insulating material 71 having a plurality of concave groove portions 71a in predetermined directions each time; It has a predetermined area and a predetermined thickness, and its upper surface has a flat shape, and its lower surface has the same predetermined interval as the mirror image with the plurality of concave groove portions 71a provided on the upper surface of the lower heat insulating material 71 and An upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction; And a material having a predetermined thickness different from that of the lower heat insulating material 71 and the upper heat insulating material 72, wherein the upper surface of the lower heat insulating material 71 and the upper heat insulating material are disposed between the lower heat insulating material 71 and the upper heat insulating material 72. An intermediate layer 80 which is bound to each other with the bottom surface of 72; It includes, but the intermediate layer 80 is characterized in that to form an air layer in each of the plurality of concave groove portion (71a) of the lower heat insulating material 71 and the plurality of concave groove portion (72a) of the upper heat insulating material (72).

On the other hand, the present invention relates to a soundproofing and insulating floor structure using the air layer, and has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a wavy shape of the cross section, the upper surface is a predetermined interval A lower heat insulator 90 having a plurality of concave grooves 90a in predetermined directions each time; And a predetermined area and a predetermined thickness, and an upper surface thereof has a flat shape, and a lower surface thereof is the same as a mirror image with a plurality of concave groove portions 71a provided on the upper surface of the lower insulating material 90. And an upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction. Including, but the lower heat insulating material 90 and the upper heat insulating material 72 is mutually bound to form an air layer by the plurality of concave groove portion 71a and the concave groove portion 72a, the lower surface of the lower heat insulating material 90 And forming an air layer by the concrete bottom surface.

Preferably, the band 20 is attached to a predetermined position of the upper surface of the upper heat insulating material 72, and has a plurality of holes; A pipe 30 installed and fixed on the upper surface and the band 20 of the upper insulation 72; A clip (40) having grooves (41) of predetermined depths at both ends thereof to perform a function of fixing the pipe (30) to a predetermined position of the band (20); And a body 51 of the disc, a predetermined number of protrusions 52, and perpendicular to each of the protrusions 52 in order to perform a function of tightly fixing another three upper heat insulating members adjacent to the upper heat insulating material 72. A fastener 50 composed of fins 53 having a predetermined length for tightly fixing the four upper heat insulating materials; Characterized in that it comprises a.

On the other hand, the present invention is a sound insulation and insulation floor structure manufacturing method using the air layer, by dividing the middle portion in the thickness direction of the heat insulating material with a thin heating wire for forming the lower surface of the heat insulating material in contact with the concrete floor surface A first cutting step; A second cutting step of cutting the concave groove portions to have a concave groove shape at predetermined intervals by using a thin heating wire in the thickness direction central portion of each of the biscuits; Shifting the upper insulation (100a, 100d) by a predetermined range such that the recess is formed through the second cutting step and the air passage is formed on the lower insulation (100b, 100c) in contact with the concrete bottom surface to form an air passage a binding step of binding by shifting; And a third cutting step of cutting portions protruding to both sides as a result of the shifting of the upper and lower insulating materials. It includes.

Preferably, the lower surface of the heat insulating material in contact with the concrete bottom surface formed by the cutting in the first cutting step is cut to have a wavy wave shape.

Hereinafter, with reference to the accompanying drawings will be described in more detail the present invention.

The soundproofing and heat insulating bottom structure using the air layer according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

1 is a perspective view of a soundproofing and insulating floor structure using an air layer according to a first embodiment of the present invention, Figure 2 is a perspective view of a clip according to a first embodiment of the present invention, Figure 3 is a first embodiment of the present invention A perspective view of a fixture according to an example.

As shown in FIG. 1, the soundproofing and insulating floor structure using the air layer according to the first embodiment of the present invention is a heat insulating material 10, band 20, piping 30, a plurality of clips 40, fixtures 50 and the upper plate 60 are included.

The heat insulating material 10 is a material having a function of sound insulation and heat insulation, has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a wavy wave shape, the upper surface has a flat shape. .

The wavy shape formed on the lower surface is to form an air layer when the lower surface is laminated on the concrete floor surface to exhibit sound insulation and heat insulation effect by the air layer, to perform sound insulation and heat insulation function by the heat insulating material itself It is possible to double the effects of sound insulation and insulation than ordinary insulation.

In the present embodiment, the heat insulating material 10 used a styrofoam having a maximum thickness of 100mm, but the present invention is not limited to the styrofoam and the material of the thickness.

In addition, the band 20 is a metal material, has a plurality of holes for binding the clip 40, and is attached to a predetermined position of the upper surface of the heat insulating material by an adhesive or a known attachment method.

In addition, the pipe 30 is installed on the upper surface of the heat insulating material and the band 20, and the clip 40 is fixed to the upper surface of the heat insulating material by being inserted into the hole of the band 20 at each predetermined interval. It is.

In addition, the clip 40 is a metal material having a good elasticity, as shown in FIG. 2, predetermined at both ends thereof to perform the function of fixing the pipe 30 to a predetermined position of the band 20. The groove 41 of depth is provided.

In addition, the fastener 50 performs a function of closely fixing another three heat insulating materials adjacent to the heat insulating material 10, as shown in FIG. 3, the body 51 of the disc and four protrusions 52. ) And a fin 53 of a predetermined length extending in the vertical direction to each of the protrusions 52 to fix the four heat insulating materials in close contact.

Each of the four protrusions 52 is provided at a position perpendicular to the adjacent protrusions.

In addition, the upper plate 60 is a general mortar, and protects each component of the soundproof and heat insulating floor structure using the air layer according to the first embodiment of the present invention described above from external impact, and has a function of transferring heat upward. Perform.

The soundproofing and heat insulating bottom structure using the air layer according to the second embodiment of the present invention will be described in detail with reference to FIG. 4 as follows.

4 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the second embodiment of the present invention.

As shown in FIG. 4, the soundproofing and heat insulating bottom structure using the air layer according to the second embodiment of the present invention has a lower heat insulating material 71, an upper heat insulating material 72, a band 20, a pipe 30, and a clip. 40, the fixture 50, and the top plate 60.

The lower heat insulating material 71 is a material having a function of sound insulation and heat insulation similar to the heat insulating material 10 according to the first embodiment of the present invention, has a predetermined area and a predetermined thickness, and is in contact with the concrete floor Has a flat shape and is provided with a plurality of concave groove portions 71a in close contact with the concrete floor and extending in the same direction as the direction in which the pipe 40 is arranged at predetermined intervals.

In addition, the upper heat insulating material 72 has the same material, a predetermined area and a predetermined thickness as the lower heat insulating material 71, the lower surface in contact with the upper surface of the lower heat insulating material 71 of the lower heat insulating material 71 A plurality of concave grooves 72a are provided in a predetermined interval and in the same arrangement direction as the plurality of concave grooves 71a provided on the upper surface.

Each of the plurality of concave grooves 71a provided in the lower heat insulating material 71 and the plurality of concave grooves 72a provided in the upper heat insulating material 72 are mirror images of each other. When the lower surfaces of the upper heat insulating material 72 are mutually bound by the adhesive, the concave grooves 71a and the concave grooves 72a cooperate with each other to form a plurality of air passages.

The plurality of air passages to form an air layer, so as to exhibit the sound insulation and heat insulation effect by the formed air layer, it is possible to double the effect of sound insulation and heat insulation than the normal heat insulating material to perform the sound insulation and heat insulation by the heat insulating material itself.

In addition, the band 20, the pipe 30, the clip 40, the fixture 50 and the upper plate 60 is a band, the pipe, according to the first embodiment of the present invention on the upper surface of the upper insulation (72) The same configuration and operation as the clip, the fastener, and the upper plate are shown, and the description thereof is omitted in this embodiment.

The soundproofing and heat insulating bottom structure using the air layer according to the third embodiment of the present invention will be described in detail with reference to FIG. 5 as follows.

5 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the third embodiment of the present invention.

As shown in FIG. 5, the soundproofing and insulating bottom structure using the air layer according to the third embodiment of the present invention includes a lower insulating material 71, an upper insulating material 72, an intermediate layer 80, a band 20, and a pipe. 30, a clip 40, a fixture 50, and a top plate 60.

The lower heat insulating material 71 is the same material, function and structure as the lower heat insulating material according to the second embodiment of the present invention, a material having a function of sound insulation and heat insulation, has a predetermined area and a predetermined thickness, concrete The lower surface which is in contact with the floor has a flat shape, and the upper surface is provided with a plurality of concave grooves 71a which are in close contact with the concrete floor and extend in the same direction as the pipe 40 is arranged at predetermined intervals. .

In addition, the upper heat insulating material 72 has the same material, a predetermined area and a predetermined thickness as the lower heat insulating material 71 according to the second embodiment of the present invention, the lower surface is the upper surface of the lower heat insulating material 71 A plurality of concave groove portions 71a provided in the upper side are provided in the same predetermined intervals and arrangement directions as a mirror image.

In addition, the intermediate layer 80 is a material different from the lower heat insulating material 71 and the upper heat insulating material 72, and has a predetermined thickness, and the lower heat insulating material 71 between the lower heat insulating material 71 and the upper heat insulating material 72. A plurality of concave grooves 71a of the lower insulator 71 and a plurality of concave grooves of the upper insulation 72 72a) at the same time to form an air passage to each of the functions to reflect the noise and heating heat transmitted from the upper insulation (72).

In this embodiment, the intermediate layer 80 is set to a rubber material, but the present invention is not limited thereto, and a polymer such as polyester may be used.

Therefore, the air layer formed by the air passage formed by the concave groove portion 72a and the intermediate layer 80 of the upper insulation 72 primarily prevents noise and heating heat transfer, and secondly, the intermediate layer 80 makes the noise And reflecting the heating heat, the air layer by the air passage formed by the recessed groove portion 72a and the intermediate layer 80 of the lower heat insulating material 72 can prevent the noise and heating heat transfer.

In addition, the band 20, the pipe 30, the clip 40, the fixture 50 and the upper plate 60 is a band, the pipe, according to the first embodiment of the present invention on the upper surface of the upper insulation (72) The same configuration and operation as the clip, the fastener, and the upper plate are shown, and the description thereof is omitted in this embodiment.

The soundproofing and heat insulating floor structure using the air layer according to the fourth embodiment of the present invention will be described in detail with reference to FIG. 6 as follows.

6 is a perspective view of a soundproofing and insulating floor structure using the air layer according to the fourth embodiment of the present invention.

As shown in FIG. 6, the soundproofing and insulating bottom structure using the air layer according to the fourth embodiment of the present invention includes a lower insulating material 90, an upper insulating material 72, a band 20, a pipe 30, and a clip. 40, the fixture 50, and the top plate 60.

The lower heat insulating material 90 is the same material as the heat insulating material according to the first embodiment of the present invention, the lower surface in contact with the concrete floor has a wavy wave shape, the upper surface of the pipe 40 at predetermined intervals A plurality of concave groove portions 90a are provided in the same direction as that in which they are arranged.

In addition, the upper heat insulating material 72 has the same material, a predetermined area and a predetermined thickness as the lower heat insulating material 71 according to the second embodiment of the present invention, the lower surface is the upper surface of the lower heat insulating material 90 A plurality of concave grooves 90a and a plurality of concave grooves 72a provided in the same predetermined intervals and arrangement directions as mirror images are provided in the bar, and the upper surface of the lower heat insulating material 90 and the lower surface of the upper heat insulating material 72 are provided. When mutually binding by this adhesive, each of the concave groove portion 90a and the concave groove portion 72a cooperate with each other to form a plurality of air passages.

Therefore, the air layer formed by the plurality of concave grooves 90a and the concave grooves 72a primarily blocks the noise and heating heat transmitted from the upper heat insulating material 72, and the lower heat insulating material ( The air layer formed on the bottom surface and the concrete bottom surface of 90) can prevent the transmission of noise and heating heat secondary.

In addition, the band 20, the pipe 30, the clip 40, the fixture 50 and the upper plate 60 is a band, the pipe, according to the first embodiment of the present invention on the upper surface of the upper insulation (72) The same configuration and operation as the clip, the fastener, and the upper plate are shown, and the description thereof is omitted in this embodiment.

Referring to Figures 7 and 8 with respect to the manufacturing method of the sound insulation and thermal insulation floor structure according to the fourth embodiment of the present invention will be described as follows.

7 is a cross-sectional view showing a cut state of the heat insulating material for producing a heat insulating material used in the fourth embodiment of the present invention, Figure 8 is a cross-sectional view showing a binding method of the upper heat insulating material and the lower heat insulating material according to a fourth embodiment of the present invention.

As shown in FIG. 7, a cutting step for manufacturing a lower surface of the heat insulating material in contact with the concrete bottom surface is performed by using a thin heating wire in the center portion of the heat insulating material 100.

In this embodiment, the wave shape is cut in a wave shape, but in order to manufacture the lower surface of the heat insulating material in contact with the concrete bottom surface used in the second embodiment and the third embodiment may be cut in a straight line.

Each of the central portions of the heat insulating material that is bisected is cut to have a concave groove shape at a predetermined interval at the same time by using a thin heating wire, and the concave groove portions formed are cut to mirror each other.

The heat insulating material manufactured through the cutting process is a heat insulating material (100a), a heat insulating material (100b), a heat insulating material (100c) and a heat insulating material (100d), the heat insulating material (100b) and the heat insulating material (100c) is the bottom heat insulating material (90) of the fourth embodiment ), And the heat insulating material 100a and the heat insulating material 100d are used as the upper heat insulating material 72 of the fourth embodiment.

In addition, the lower insulation (100b, 100c) and the upper insulation (100a, 100d) manufactured through the cutting process is shown in the fourth embodiment on the lower insulation (100b, 100c) as shown in FIG. Sound insulation using the air layer according to the fourth embodiment by shifting and binding the upper insulation (100a, 100d) by a predetermined range so as to form the same air passage, and then cutting the parts protruding to both sides as a result of the shifting And it is possible to manufacture a thermal insulation floor structure.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawing.

According to the present invention as described above, by using the air layer according to the shape of the heat insulating material has the effect that the noise generated from the upper floor of the multi-family house and heating heat is not transmitted to the lower floor.

In addition, according to the present invention as described above, there is also an effect that can be produced a heat insulating material of a predetermined shape that can form an air layer without waste of the heat insulating material.

Claims (9)

In the soundproof and thermal insulation floor structure, It has a predetermined area and a predetermined thickness, and the upper surface has a flat shape, and the lower surface contacting the concrete floor has a wavy wave shape so that an air layer is formed when the lower surface is stacked on the concrete floor. Soundproofing and insulating floor structure using an air layer containing a heat insulating material (10). The method of claim 1, A band 20 attached to a predetermined position of an upper surface of the heat insulating material 10 and having a plurality of holes; Pipe 30 is fixed to the upper surface and the band 20 of the heat insulating material 10; A clip (40) having grooves (41) of predetermined depths at both ends thereof to perform a function of fixing the pipe (30) to a predetermined position of the band (20); And In order to perform a function of closely fixing the three other heat insulating materials adjacent to the heat insulating material 10 is connected to the body 51 of the disc, a predetermined number of protrusions 52, and each of the protrusions 52 perpendicularly Fixing means (50) consisting of a fin (53) of a predetermined length for tightly fixing the four heat insulating materials; Soundproof and thermal insulation floor structure using an air layer, characterized in that it comprises a. In the soundproof and thermal insulation floor structure, It has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a flat shape, the lower insulating material in close contact with the concrete floor and provided with a plurality of concave grooves (71a) in a predetermined direction at predetermined intervals ( 71); And It has a predetermined area and a predetermined thickness, and its upper surface has a flat shape, and its lower surface has the same predetermined interval as the mirror image with the plurality of concave groove portions 71a provided on the upper surface of the lower heat insulating material 71 and An upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction; Including, The lower heat insulating material 71 and the upper heat insulating material 72 is mutually bound to form an air layer by the plurality of concave grooves 71a and concave grooves 72a. In the soundproof and thermal insulation floor structure, It has a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a flat shape, the lower insulating material in close contact with the concrete floor and provided with a plurality of concave grooves (71a) in a predetermined direction at predetermined intervals ( 71); It has a predetermined area and a predetermined thickness, and its upper surface has a flat shape, and its lower surface has the same predetermined interval as the mirror image with the plurality of concave groove portions 71a provided on the upper surface of the lower heat insulating material 71 and An upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction; And It has a predetermined thickness as a material different from the lower heat insulating material 71 and the upper heat insulating material 72, and between the lower heat insulating material 71 and the upper heat insulating material 72, the upper surface of the lower heat insulating material 71 and the upper heat insulating material ( An intermediate layer 80 which is mutually bound with the lower surface of 72); Including, Soundproofing using an air layer, characterized in that the intermediate layer 80 forms an air layer in each of the plurality of concave groove portions 71a of the lower insulation material 71 and the plurality of concave groove portions 72a of the upper insulation material 72. Insulation floor structure. In the soundproof and thermal insulation floor structure, The lower surface having a predetermined area and a predetermined thickness, the lower surface in contact with the concrete floor has a wavy wave shape in cross section, and the upper surface has a lower insulator having a plurality of concave grooves 90a in a predetermined direction at predetermined intervals ( 90); And It has a predetermined area and a predetermined thickness, and its upper surface has a flat shape, and its lower surface has the same predetermined interval as the mirror image with the plurality of concave groove portions 71a provided on the upper surface of the lower heat insulating material 90 and An upper heat insulator 72 having a plurality of concave grooves 72a in the arrangement direction; Including, The lower insulator 90 and the upper insulator 72 are bound to each other to form an air layer by the plurality of concave grooves 71a and the concave grooves 72a, and the lower surface and the concrete bottom surface of the lower insulator 90. Soundproof and heat insulation floor structure using the air layer, characterized in that to form an air layer. The method according to any one of claims 3 to 5, A band 20 attached to a predetermined position of an upper surface of the upper heat insulating material 72 and having a plurality of holes; A pipe 30 installed and fixed on the upper surface and the band 20 of the upper insulation 72; A clip (40) having grooves (41) of predetermined depths at both ends thereof to perform a function of fixing the pipe (30) to a predetermined position of the band (20); And Vertically perpendicular to the body 51 of the disc, a predetermined number of protrusions 52, and each of the protrusions 52 in order to perform a function of tightly fixing another three upper heat insulating members adjacent to the upper heat insulating material 72. A fastener 50 connected to the pin 53 having a predetermined length for tightly fixing the four upper insulating materials; Soundproof and thermal insulation floor structure using an air layer, characterized in that it comprises a. In the method of manufacturing the soundproof and thermal insulation floor structure using the air layer, Cutting into a wavy wave shape by using a thin hot wire in the thickness center of the heat insulating material 100 to form a bottom surface of the heat insulating material in contact with the concrete bottom surface; Soundproofing and insulating floor structure manufacturing method using an air layer comprising a. In the method of manufacturing the soundproof and thermal insulation floor structure using the air layer, A first cutting step for forming a lower surface of the heat insulating material, which is bisected by cutting the center portion in the thickness direction of the heat insulating material 100 with a thin heating wire to be in contact with the concrete bottom surface; A second cutting step of cutting the concave groove portions to have a concave groove shape at predetermined intervals by using a thin heating wire in the thickness direction central portion of each of the biscuits; Shifting the upper insulation (100a, 100d) by a predetermined range such that the recess is formed through the second cutting step and the air passage is formed on the lower insulation (100b, 100c) in contact with the concrete bottom surface to form an air passage a binding step of binding by shifting; And A third cutting step of cutting portions protruding to both sides as a result of the shifting of the upper and lower insulating materials; Soundproofing and insulating floor structure manufacturing method using an air layer, characterized in that comprises a. The method of claim 8, The lower surface of the heat insulating material which is in contact with the concrete floor surface formed by the cutting in the first cutting step is cut to have a wavy wave shape, sound insulation and insulation floor structure manufacturing method using an air layer.