KR20040003412A - The floor of apartment for absorbing the noise by the impact - Google Patents

The floor of apartment for absorbing the noise by the impact Download PDF

Info

Publication number
KR20040003412A
KR20040003412A KR1020020038102A KR20020038102A KR20040003412A KR 20040003412 A KR20040003412 A KR 20040003412A KR 1020020038102 A KR1020020038102 A KR 1020020038102A KR 20020038102 A KR20020038102 A KR 20020038102A KR 20040003412 A KR20040003412 A KR 20040003412A
Authority
KR
South Korea
Prior art keywords
floor
sound
apartment
absorbing material
perforated plate
Prior art date
Application number
KR1020020038102A
Other languages
Korean (ko)
Inventor
우제석
이창근
류형걸
Original Assignee
우진물산 주식회사
우제석
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 우진물산 주식회사, 우제석 filed Critical 우진물산 주식회사
Priority to KR1020020038102A priority Critical patent/KR20040003412A/en
Publication of KR20040003412A publication Critical patent/KR20040003412A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/203—Separately-laid layers for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

Abstract

PURPOSE: A floor of apartment houses for absorbing an impact sound is provided to keep the living environment of apartment houses by preventing the noise pollution caused by the impact sound, to cut down construction expenses. CONSTITUTION: In a floor structure of apartment houses composed of a slab(5), a lightweight aerated concrete layer and a finishing mortar layer(1) where heating pipelines(2) are arranged, the floor of apartment houses for absorbing an impact sound is completed by forming a shock absorber between the slab(5) and the lightweight aerated concrete layer, wherein the shock absorber is formed by adhering one of sound-insulating materials and sound-absorbing materials on both sides of a perforated plate.

Description

충격음을 완충시켜주는 아파트의 바닥{The floor of apartment for absorbing the noise by the impact}The floor of apartment for absorbing the noise by the impact}

본 발명은 충격음을 완충시켜주는 아파트와 같은 공동주택의 바닥에 관한 것으로, 더욱 상세하게는 천공판의 상, 하부에 차음재 또는 흡음재를 접착시킨 충격음 완충재를 이용해서 바닥에 가해지는 충격에 의하여 발생한 공기전달음을 효과적으로 감소시켜서 아파트등 공동주택의 층간소음 문제를 해결한 아파트의 바닥에 관한 것이다.The present invention relates to the floor of a multi-unit house, such as an apartment that cushions the impact sound, and more particularly, the air transfer generated by the impact applied to the floor using a shock-absorbing material bonded to the sound insulating material or sound absorbing material on the upper and lower parts of the perforated plate It is about the floor of an apartment that effectively reduces the sound and solves the problem of the noise between floors of apartment houses.

일반적으로 아파트등 공동주택의 바닥구조는 도 3에 도시한 바와 같이 슬래브층(5), 단열용 경량기포콘크리트층(4) 및 미장마감몰탈층(1)으로 이루어져 있으며, 특히 난방용 온수배관(2)을 배관하는 경우에는 온돌바닥의 열관류율을 1.0 이하로 하거나 내열성, 내구성과 상부의 적재하중 및 고정하중에 버틸수 있는 강도를 가지도록 두께가 20㎜ 이상인 단열재를 시공하도록 하고 있으나 통상적으로는 경량기포콘크리트층(3)만 시공하여 단열층을 형성하고 있다.In general, the floor structure of an apartment house such as an apartment is composed of a slab layer (5), a lightweight foam concrete layer (4) and a plaster finish mortar layer (1) for heating, as shown in FIG. In case of piping), the insulation of the thickness of 20mm or more should be constructed to have the heat permeability of the ondol floor to 1.0 or less, or to have heat resistance, durability, and strength that can withstand the upper load and fixed load. Only the layer 3 is constructed, and the heat insulation layer is formed.

바닥충격음은 실내에서 물체가 낙하할 때 또는 사람이 뛰거나 걸을 때에 바닥에 가해지는 충격력에 의한 충격음으로서 인접실이나 직하층으로 전달된다.The floor impact sound is transmitted by the impact force applied to the floor when an object falls in the room or when a person runs or walks and is transmitted to the adjacent room or the lower floor.

아파트등 공동주택은 다수의 세대가 벽이나 바닥을 사이에 두고 인접하고 있기 때문에 소음문제가 다수 발생한다.Multi-unit houses, such as apartments, have a lot of noise problems because many households are adjacent to each other with walls or floors in between.

우리나라의 대부분의 아파트등 공동주택에서 사용되고 있는 콘크리트는 무겁고 밀실한 특성 때문에 동일한 두께의 다른 재료보다 말소리나 피아노소리 등 공기를 매체로 전달되는 소음(공기전달음)에 대해서는 차단성이 양호하다.Concrete used in apartment houses, such as most apartments in Korea, is heavy and dense, so it has better protection against noise (air conduction) that transmits air to the medium, such as speech or piano sounds, than other materials of the same thickness.

그러나 재료의 특성상 콘크리트면에 직접적으로 가해지는 충격에 의하여 발생되는 충격음(고체전달음)은 인접세대에 쉽게 전달된다.However, due to the nature of the material, the impact sound (solid transfer sound) generated by the impact applied directly to the concrete surface is easily transmitted to the adjacent generation.

최근에 이러한 문제를 해결하기 위한 노력이 대형건설업체와 건축자재 생산업체등을 중심으로 활발히 이루어지고 있으며, 이러한 노력의 대부분은 뜬바닥구조의 원리를 이용한 방진용 완충재의 개발로 이어지고 있다.Recently, efforts to solve these problems have been actively conducted by large construction companies and building material producers, and most of these efforts have led to the development of vibration damping materials using the principle of floating floor structure.

그러나 슬래브위에 완충재를 깔아 뜬바닥으로 할 경우 횡방향으로 공기가 빠져나가기 때문에 공기의 탄성계수가 부가되기는 하나 완충재의 두께가 얇으면 탄성계수가 크고, 동시에 공기의 탄성계수가 커지기 때문에 저음영역에서는 뜬바닥 효과를 기대할 수 없다는 문제점이 있었다.However, when the cushioning material is placed on the slab, the elastic modulus of the air is added because the air escapes in the lateral direction. There was a problem that the floor effect can not be expected.

본 발명은 전술한 종래의 기술의 문제점을 해결하기 위한 것으로서 인장강도와 충격강도가 우수한 소재를 이용하여 중, 고주파수 대역 뿐만 아니라 특히 저주파수 대역에서 차음등급이 결정되는 중량충격음 영역에서 흡음성과 차음성을 개선 시킬 수 있는 아파트의 바닥을 제공하는데 목적을 두고 있다.The present invention is to solve the problems of the prior art described above by using a material having excellent tensile strength and impact strength, as well as sound absorption and sound insulation in the mid-high frequency band, as well as in the heavy impact sound region in which the sound insulation grade is determined in the low frequency band. The aim is to provide a floor of the apartment that can be improved.

도 1은 본 발명의 한 실시예를 나타내는 바닥구조의 종단면도.1 is a longitudinal cross-sectional view of a floor structure showing an embodiment of the present invention.

도 2는 본 발명의 다른 실시예를 나타내는 바닥구조의 종단면도.Figure 2 is a longitudinal sectional view of a floor structure showing another embodiment of the present invention.

도 3은 종래의 바닥구조의 종단면도.Figure 3 is a longitudinal sectional view of a conventional floor structure.

도 4는 본 발명에 사용되는 천공판의 평면도.4 is a plan view of a perforated plate used in the present invention.

도 5 ∼ 도 7은 본 발명에 사용되는 완충재의 종단면도.5-7 is a longitudinal cross-sectional view of the cushioning material used for this invention.

본 발명의 바닥충격음 완충구조는 슬래브(5), 단열을 위한 경량기포 콘크리트층(3), 상기 경량기포콘크리트층(3) 위에 시공되며 난방배관(2)이 배관되는 마감모르타르층(1)으로서 구성되는 바닥구조에 있어서, 도 1에 표시한 바와 같이 상기슬래브(5)와 경량기포콘크리트층(3)의 사이 또는 도 2에 표시한 바와 같이 경량기포콘크리트층(3)과 마감모르타르층(1)의 사이에 완충재(6)가 시공되어 있는 것을 특징으로 한다.The floor shock sound absorbing structure of the present invention is a slab (5), a lightweight foamed concrete layer (3) for thermal insulation, as a finishing mortar layer (1) which is constructed on the lightweight foam concrete layer (3) and the heating pipe (2) is piped. In the floor structure configured as shown in FIG. 1, between the slab 5 and the lightweight foamed concrete layer 3, or as shown in FIG. 2, the lightweight foamed concrete layer 3 and the finishing mortar layer 1. The shock absorbing material 6 is constructed in between.

상기 완충재(6)는 도 4에 표시되어 있는 천공판(7)의 상, 하면에 차음재(8)와 흡음재(9) 중에서 선택한 것이 접착제에 의하여 접착되어 있는 것이다.The shock absorbing material 6 is selected from the sound insulating material 8 and the sound absorbing material 9 on the upper and lower surfaces of the perforated plate 7 shown in FIG. 4 by adhesive.

상기 완충재(6)의 구조는 도 5에 표시되어 있는 바와 같이 천공판(7)의 한 면에는 차음재(8)가, 다른 면에는 흡음재(9)가 접착된 것일 수 도 있으며, 도 6 및 도 7에 표시되어 있는 바와 같이 양면에 모두 차음재(8)가, 또는 양면에 모두 흡음재(9)가 접착된 것일 수 도 있다.5, the sound absorbing material 8 may be bonded to one surface of the perforated plate 7, and the sound absorbing material 9 may be adhered to the other surface thereof, as shown in FIG. 5. FIGS. 6 and 7 As shown in FIG. 2, the sound insulating material 8 may be bonded to both surfaces, or the sound absorbing material 9 may be bonded to both surfaces.

본 발명에서 다수의 관통구멍(7a)이 천공되어 있는 천공판(7)은 다음 재료중에서 선택하여 사용 할 수 있다.In the present invention, the perforated plate 7 in which the plurality of through holes 7a are perforated can be selected and used from the following materials.

합성수지와 과량의 탄산칼슘, 또는 황산바륨등의 충전제를 혼합하여서 비중이 2.0 이상이 되도록 고밀도화시킨 합성수지시트 또는 산화철분말을 함유시킨 합성수지시트, 또는 HDF, MDF, 콜크, 고무, 폴리우레탄, 폴리에틸렌, 폴리스틸렌, 폴리에스테르 시트 중에서 선택한 것이다.Synthetic resin sheet made by mixing synthetic resin with filler such as excess calcium carbonate or barium sulfate to make specific gravity more than 2.0 or synthetic resin sheet containing iron oxide powder, or HDF, MDF, cork, rubber, polyurethane, polyethylene, polystyrene And polyester sheets.

천공판(7)은 구멍(7a)의 크기가 3 ∼ 20㎜, 구멍(7a)간의 간격이 10 ∼ 30㎜이며, 완충재(6)의 두께는 3 ∼ 15㎜의 것이 바람직하다.As for the perforated plate 7, the size of the hole 7a is 3-20 mm, the space | interval between the holes 7a is 10-30 mm, and it is preferable that the thickness of the buffer material 6 is 3-15 mm.

구멍(7a)의 크기가 3㎜ 보다 작거나 그 간격이 30㎜를 초과하고, 또 완충재(6)의 두께가 3㎜ 보다 얇으면 구멍(7a) 내의 공기밀도가 낮아서 전달음을 소멸시키는 효과를 크게 기대 할 수 없으며, 구멍(7a)의 크기가 20㎜ 보다 크거나 그 간격이 10㎜ 미만이고, 또 완충재(6)의 두께가 15㎜ 보다 두꺼우면 작업성이 나쁘고 재료비가 높아져서 실용성면에서 적합하지 못하다.If the size of the hole 7a is smaller than 3 mm or the gap is more than 30 mm, and the thickness of the cushioning material 6 is thinner than 3 mm, the air density in the hole 7a is low, thereby extinguishing the transmission sound. If the size of the hole 7a is larger than 20 mm or the gap is less than 10 mm, and the thickness of the cushioning material 6 is thicker than 15 mm, the workability is poor and the material cost is high. I can't.

또 본 발명에서 사용되는 차음재(8)는 비중이 2.0 이상이 되는 산화철, 또는 황산바륨, 또는 탄산칼슘, 또는 맥반석 중에서 선택한 한가지 이상의 성분을 합성수지를 바인더로 이용해서 시트상으로 만든 것이다.In addition, the sound insulating material 8 used in the present invention is made of a sheet-like resin using at least one component selected from iron oxide, barium sulfate, calcium carbonate, or elvan with a specific gravity of 2.0 or more.

또 본 발명에서 사용되는 흡음재(9)는 부직포, 섬유제직, 편물 중에서 선택한 것이다.The sound absorbing material 9 used in the present invention is selected from nonwoven fabric, textile woven fabric and knitted fabric.

본 발명은 바닥구조에 완충재(6)가 시공되어 있으므로 바닥에 충격이 가해졌을 때 완충재(6) 내의 천공판(7)은 바닥충격에 의한 전달음을 구멍(7a)내의 공기밀도에 의한 공명효과에 의하여 흡음, 소멸시켜주고, 차음재(8)는 충격에 의한 전달음의 진폭을 감소시켜서 충격음의 상쇄효과를 더욱 상승시켜 주게되며, 흡음재(9)는 전달음의 마찰저항을 크게하여서 음에너지를 크게 감소시키므로 결과적으로 충격음을 완충시키게 되는 것이다.According to the present invention, when the shock absorbing material 6 is applied to the floor structure, the perforated plate 7 in the shock absorbing material 6 is applied to the resonance effect due to the air density in the hole 7a when the shock is applied to the floor. By absorbing and extinguishing, the sound insulating material 8 increases the canceling effect of the impact sound by reducing the amplitude of the transmitted sound due to the impact, and the sound absorbing material 9 increases the frictional energy of the transmitted sound to increase the sound energy. As a result, the impact sound is buffered.

본 발명의 바닥구조는 충격음에 의한 소음공해를 방지 할 수 있으므로 아파트등 공동주택의 생활환경을 쾌적하게 유지시켜 준다.The floor structure of the present invention can prevent the noise pollution by the impact sound, thereby keeping the living environment of apartments and other apartments comfortable.

또 본 발명은 경량기포콘크리트층(3)의 두께를 가격이 저렴하고 얇은 완충재(6)를 사용해서 줄 일 수 있으므로 건축비를 절감시킬 수 있으며 아파트 층간의 공간도 높일 수 있는 효과가 있다.In addition, the present invention can reduce the thickness of the lightweight foam concrete layer (3) by using a low-cost and thin buffer material (6) can reduce the construction cost and increase the space between the apartment floors.

Claims (10)

슬래브(5), 경량기포콘크리트층(3) 및 난방배관(2)이 배관되는 마감모르타 르층(1)으로 구성되어 있는 아파트의 바닥구조에 있어서, 상기 슬래브(5)와 경량기포콘크리트층(3) 사이에 천공판(7)의 양면에 차음재(8)와 흡음재(9) 중에서 선택한 것을 접착시켜서 된 완충재(6)가 시공되어 있는 것을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.In the floor structure of an apartment composed of a slab (5), a lightweight foam concrete layer (3) and a finishing mortar layer (1) in which a heating pipe (2) is piped, the slab (5) and a lightweight foam concrete layer ( 3) The floor of the apartment which cushions the impact sound, characterized in that a cushioning material (6) is formed by adhering the sound insulating material (8) and the sound absorbing material (9) to both surfaces of the perforated plate (7). 제 1 항에 있어서, 완충재(6)가 경량기포콘크리트층(3)과 마감모르타르층(1) 사이에 시공되어 있는 것을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.A floor according to claim 1, wherein a cushioning material (6) is constructed between the lightweight foam concrete layer (3) and the finishing mortar layer (1). 제 1 항에 있어서, 완충재(6)는 천공판(7)의 양면에 각각 차음재(8)와 흡음재(9)가 접착되어 있는 것을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.The floor of an apartment as claimed in claim 1, wherein the shock absorbing material (6) is a sound insulating material (8) and a sound absorbing material (9) bonded to both surfaces of the perforated plate (7), respectively. 제 1 항에 있어서, 완충재(6)는 천공판(7)의 양면에 모두 차음재(8)가 접착되어 있는 것을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.The floor of the apartment as claimed in claim 1, wherein the shock absorbing material (6) is a sound insulating material (8) bonded to both sides of the perforated plate (7). 제 1 항에 있어서, 완충재(6)는 천공판(7)의 양면에 모두 흡음재(9)가 접착되어 있는 것을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.A floor according to claim 1, wherein the shock absorbing material (6) is a sound absorbing material (9) adhered to both surfaces of the perforated plate (7). 제 3 항 내지 제 5 항중 어느 한 항에 있어서, 천공판(7)은 비중이 2.0 이상인 고밀도 합성수지시트 또는 산화철분말이 혼합되어 있는 합성수지시트 또는 HDF, MDF, 콜크시트, 고무시트, 합성수지시트들 중에서 선택한 시트 중에서 선택한 것임을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.The perforated plate (7) according to any one of claims 3 to 5, wherein the perforated plate (7) is selected from a high-density synthetic resin sheet having a specific gravity of 2.0 or more or a synthetic resin sheet mixed with iron oxide powder or HDF, MDF, cork sheet, rubber sheet, synthetic resin sheets The floor of the apartment cushions the impact sound, which is selected from the seats. 제 6 항에 있어서, 천공판(7)의 구멍(7a)은 크기가 3 ∼ 20㎜, 구멍(7a)간의 간격이 10 ∼ 30㎜이며, 완충재(6)의 두께가 3 ∼ 15㎜임을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.7. The hole 7a of the perforated plate 7 has a size of 3 to 20 mm, an interval of 10 to 30 mm between the holes 7a, and a thickness of the buffer material 6 to 3 to 15 mm. The floor of the apartment to cushion the impact sound. 제 1 항에 있어서, 차음재(8)는 비중이 2.0 이상이 되는 산화철, 황산바륨, 탄산칼슘, 맥반석 중에서 선택한 한가지 이상의 성분을 합성수지와 혼합시켜서 시트상으로 한 것임을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.The sound absorbing material (8) according to claim 1, wherein the sound absorbing material (8) is a sheet that is formed by mixing at least one component selected from iron oxides, barium sulfate, calcium carbonate, and elvan with a specific gravity of synthetic resin and a sheet. Bottom. 제 1 항에 있어서, 흡음재(9)는 부직포나 섬유제직, 편물 중에서 선택한 것임을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.The floor of an apartment as recited in claim 1, wherein the sound absorbing material (9) is selected from a nonwoven fabric, a textile woven fabric, and a knitted fabric. 제 6 항에 있어서, 천공판(7)의 구멍(7a)의 모양은 원형, 삼각형, 사각형, 마름모꼴등 임의의 모양 중에서 선택한 것임을 특징으로 하는 충격음을 완충시켜주는 아파트의 바닥.7. The floor of an apartment according to claim 6, wherein the shape of the hole (7a) of the perforated plate (7) is selected from any shape such as round, triangular, square, rhombic, and the like.
KR1020020038102A 2002-07-03 2002-07-03 The floor of apartment for absorbing the noise by the impact KR20040003412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020020038102A KR20040003412A (en) 2002-07-03 2002-07-03 The floor of apartment for absorbing the noise by the impact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020038102A KR20040003412A (en) 2002-07-03 2002-07-03 The floor of apartment for absorbing the noise by the impact

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR20-2002-0036352U Division KR200306335Y1 (en) 2002-12-05 2002-12-05 Floor of apartment for absorbing the noise by the impact

Publications (1)

Publication Number Publication Date
KR20040003412A true KR20040003412A (en) 2004-01-13

Family

ID=37314421

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020038102A KR20040003412A (en) 2002-07-03 2002-07-03 The floor of apartment for absorbing the noise by the impact

Country Status (1)

Country Link
KR (1) KR20040003412A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305048A (en) * 1991-03-30 1992-10-28 Nippon Concrete Ind Co Ltd Inorganic soundproof material and production thereof
KR19990039471A (en) * 1997-11-12 1999-06-05 김형진 Sound-absorbing interior materials for automobiles
KR19990033508U (en) * 1999-04-29 1999-08-05 이상수 Soundproofing Structural seat
KR200259077Y1 (en) * 2001-09-15 2001-12-28 김영철 Sound absorbing plate for building floor
KR200266950Y1 (en) * 2001-11-24 2002-03-06 최병천 Structure for preventing noise of floor in apartment house
KR20020035818A (en) * 2002-04-25 2002-05-15 권회현 sound absorbing and insulating material
KR200277719Y1 (en) * 2002-03-18 2002-06-07 최남희 Noise less device of a building
KR20020063083A (en) * 2001-01-26 2002-08-01 주식회사 에이치엔씨 Finishing Method for Concrete Slab for Apartment
KR20030094934A (en) * 2002-06-10 2003-12-18 우진물산 주식회사 A sound-proof floors

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305048A (en) * 1991-03-30 1992-10-28 Nippon Concrete Ind Co Ltd Inorganic soundproof material and production thereof
KR19990039471A (en) * 1997-11-12 1999-06-05 김형진 Sound-absorbing interior materials for automobiles
KR19990033508U (en) * 1999-04-29 1999-08-05 이상수 Soundproofing Structural seat
KR20020063083A (en) * 2001-01-26 2002-08-01 주식회사 에이치엔씨 Finishing Method for Concrete Slab for Apartment
KR200259077Y1 (en) * 2001-09-15 2001-12-28 김영철 Sound absorbing plate for building floor
KR200266950Y1 (en) * 2001-11-24 2002-03-06 최병천 Structure for preventing noise of floor in apartment house
KR200277719Y1 (en) * 2002-03-18 2002-06-07 최남희 Noise less device of a building
KR20020035818A (en) * 2002-04-25 2002-05-15 권회현 sound absorbing and insulating material
KR20030094934A (en) * 2002-06-10 2003-12-18 우진물산 주식회사 A sound-proof floors

Similar Documents

Publication Publication Date Title
US7886488B2 (en) Acoustical isolation floor underlayment system
KR100563097B1 (en) Construction materials for reducing noise between stories of building and method for construct the same on the floor of building
CN101148942B (en) Sound insulation/ damping material for floor of building
KR100624357B1 (en) A building material of floating floor structure having sound-proofing function in multihousing
KR100763434B1 (en) Floor material of building for noise insulation and interruption
KR101477783B1 (en) Floating floor type vibroisolating sheet for using the complex material
KR100783117B1 (en) A product for reducing noise in architecture
KR200406673Y1 (en) Soundproofing material for noise prevention
KR20060021933A (en) A floating floor system for prevention of noise
KR100763410B1 (en) Enemy layer structure of composition for noise prevention
KR200433755Y1 (en) A product for reducing noise in architecture
KR200331857Y1 (en) Interlayer-Soundproofing Sheet for Reducing Floor Shock
KR200470795Y1 (en) Interfloor noise proofing material
KR200306335Y1 (en) Floor of apartment for absorbing the noise by the impact
KR101302282B1 (en) Interfloor noise proofing material
KR101979346B1 (en) Noise reduction structure between floors in reinforced concrete buildings
KR20040003412A (en) The floor of apartment for absorbing the noise by the impact
KR200378944Y1 (en) A product having damping seat for reducing noise in architecture
KR200378945Y1 (en) A product for reducing noise in architecture
KR101079645B1 (en) Inter-floor sound-insulating material for apartment house and floor construction method using thereof
KR200401924Y1 (en) Sound-proof floor reduction panel for construction
KR200455458Y1 (en) Elastic PTFE interlayer noise reduction buffer with waterproof layer protection sheet
KR200359989Y1 (en) Epitaxy structure of Noise between floor Prevention material
KR101302290B1 (en) Interfloor noise proofing material
KR200426026Y1 (en) Enemy layer structure of composition for noise prevention

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application