|
재질 |
125 |
250 |
500 |
1000 |
2000 |
4000 |
NRC |
| 거친 콘크리트 블록 |
0.36 |
0.44 |
0.31 |
0.29 |
0.39 |
0.25 |
0.36 |
| 고무 |
0.02 |
0.04 |
0.05 |
0.05 |
0.10 |
0.05 |
0.06 |
| 글라스울(16~24)25t |
0.10 |
0.30 |
0.50 |
0.70 |
0.80 |
0.85 |
0.50 |
| 글라스울(32~48)25t |
0.12 |
0.30 |
0.65 |
0.80 |
0.85 |
0.85 |
0.65 |
| 글라스울100t |
0.60 |
0.95 |
0.95 |
0.35 |
0.30 |
0.90 |
0.89 |
| 글라스울(16~24)25t+공기층100t |
0.22 |
0.57 |
0.83 |
0.82 |
0.90 |
0.90 |
0.78 |
| 글라스울(32~48)25t+공기층100t |
0.25 |
0.70 |
0.90 |
0.85 |
0.85 |
0.90 |
0.83 |
| 글라스울(16~24)25t+공기층300t |
0.55 |
0.70 |
0.75 |
0.80 |
0.75 |
0.85 |
0.75 |
| 글라스울(16~24)25t+공기층40t |
0.15 |
0.40 |
0.70 |
0.85 |
0.90 |
0.95 |
0.71 |
| 글라스울(32~48)25t+공기층40t |
0.12 |
0.45 |
0.85 |
0.90 |
0.85 |
0.90 |
0.76 |
| 글라스울50t |
0.20 |
0.65 |
0.90 |
0.85 |
0.80 |
0.85 |
0.80 |
| 글라스울(16~24)50t+공기층100t |
0.45 |
0.97 |
0.99 |
0.85 |
0.30 |
0.92 |
0.90 |
| 글라스울(16~24)50t+공기층300t |
0.75 |
0.85 |
0.85 |
0.80 |
0.80 |
0.85 |
0.83 |
| 글라스울(16~24)50t+공기층40t |
0.25 |
0.80 |
0.95 |
0.90 |
0.35 |
0.90 |
0.88 |
| 글라스울(32~48)50t+공기층40t |
0.28 |
0.90 |
0.95 |
0.87 |
0.85 |
0.94 |
0.89 |
| 나무판(금강고려화학) |
0.15 |
0.11 |
0.10 |
0.07 |
0.05 |
0.07 |
0.09 |
| 대리석 |
0.01 |
0.01 |
0.01 |
0.01 |
0.02 |
0.02 |
0.01 |
| 리놀륨 |
0.02 |
0.04 |
0.05 |
0.05 |
0.10 |
0.05 |
0.06 |
| 무기질섬유판(80~190)공기층25t+금속 |
0.35 |
0.70 |
0.90 |
0.90 |
0.95 |
0.90 |
0.36 |
| 무기질섬유판(100)25t |
0.30 |
0.30 |
0.50 |
0.75 |
0.85 |
0.85 |
0.60 |
| 무기질섬유판(100)50t |
0.40 |
0.60 |
0.80 |
0.90 |
0.95 |
0.90 |
0.81 |
| 무기질섬유판(50)19t |
0.25 |
0.40 |
0.65 |
0.70 |
0.75 |
0.75 |
0.63 |
| 무기질섬유판(50)25t |
0.15 |
0.25 |
0.40 |
0.65 |
0.85 |
0.85 |
0.54 |
| 무기질섬유판(50)50t |
0.30 |
0.40 |
0.75 |
0.85 |
0.90 |
0.90 |
0.73 |
| 무기질섬유판(50)50t(10%타공) |
0.25 |
0.40 |
0.75 |
0.85 |
0.80 |
0.75 |
0.70 |
| 무기질섬유판(50)50t(5%타공) |
0.25 |
0.45 |
0.75 |
0.60 |
0.40 |
0.30 |
0.55 |
| 마이톤Fissured12mm(흡음천정판) |
0.44 |
0.47 |
0.50 |
0.51 |
0.60 |
0.50 |
0.52 |
| 마이톤Fissured15mm(흡음천정판) |
0.55 |
0.55 |
0.58 |
0.55 |
0.63 |
0.68 |
0.59 |
| 마이톤Stripe-Fissured15mm(흡음천정판) |
0.55 |
0.59 |
0.55 |
0.50 |
0.74 |
0.74 |
0.62 |
| 물 |
0.01 |
0.01 |
0.01 |
0.01 |
0.02 |
0.02 |
0.01 |
| 베니아판 12t(공기층45) |
0.25 |
0.14 |
0.07 |
0.04 |
0.10 |
0.08 |
0.09 |
| 베니아판 3t(공기층45) |
0.46 |
0.16 |
0.10 |
0.08 |
0.10 |
0.08 |
0.11 |
| 발포 스치로 25t |
0.04 |
0.05 |
0.06 |
0.14 |
0.30 |
0.25 |
0.14 |
| 벽돌면 마감 및 페인트칠 |
0.05 |
0.04 |
0.02 |
0.04 |
0.05 |
0.05 |
0.04 |
| 블록(경량) |
0.20 |
0.30 |
0.50 |
0.60 |
0.50 |
0.50 |
0.50 |
| 석고보드9-12(공기층45mm) |
0.26 |
0.13 |
0.09 |
0.05 |
0.05 |
0.05 |
0.08 |
| 석고(나무에부착) |
0.14 |
0.10 |
0.05 |
0.05 |
0.04 |
0.03 |
0.06 |
| 셀스톤(cellstone:50mm+primer) |
0.22 |
0.60 |
0.91 |
0.82 |
0.82 |
0.79 |
0.30 |
| 솔라톤12mm(암면흡음천정판) |
0.02 |
0.17 |
0.51 |
0.53 |
0.64 |
0.70 |
0.49 |
| 솔라톤15mm(암면흡음천정판) |
0.34 |
0.42 |
0.53 |
0.68 |
0.66 |
0.63 |
0.57 |
| 솔라톤9mm(암면흡음천정판) |
0.38 |
0.45 |
0.50 |
0.53 |
0.61 |
0.97 |
0.52 |
| 세라믹흡음판 |
0.05 |
0.10 |
0.20 |
0.40 |
0.80 |
0.50 |
0.38 |
| 세목모 시멘트 판 25t |
0.03 |
0.14 |
0.30 |
0.55 |
0.55 |
0.60 |
0.41 |
| 스프레이(흡음성)12t |
0.03 |
0.15 |
0.50 |
0.80 |
0.85 |
0.80 |
0.58 |
| 스프레이(흡음성)12t,공기층75t+석고보드12t |
0.30 |
0.30 |
0.55 |
0.75 |
0.80 |
0.80 |
0.60 |
| 유리(무겁고 넓은 면) |
0.18 |
0.05 |
0.04 |
0.03 |
0.02 |
0.02 |
0.04 |
| 유리 4mm |
0.30 |
0.20 |
0.10 |
0.07 |
0.05 |
0.02 |
0.11 |
| 유리(보통의 유리창) |
0.35 |
0.25 |
0.18 |
0.12 |
0.07 |
0.04 |
0.51 |
| 유리벽 10mm |
0.15 |
0.06 |
0.04 |
0.03 |
0.02 |
0.02 |
0.04 |
| 유리창(목재샷시) |
0.35 |
0.25 |
0.18 |
0.12 |
0.07 |
0.04 |
0.16 |
| 의자(가죽 혹은 비닐) |
0.10 |
0.15 |
0.25 |
0.25 |
0.25 |
0.25 |
0.23 |
| 의자(나무) |
0.10 |
0.10 |
0.15 |
0.15 |
0.20 |
0.20 |
0.15 |
| 의자(모) |
0.14 |
0.25 |
0.30 |
0.30 |
0.30 |
0.30 |
0.29 |
| 의자(배니어 목재) |
0.02 |
0.02 |
0.02 |
0.04 |
0.04 |
0.03 |
0.03 |
| 의자(비닐레저) |
0.04 |
0.13 |
0.22 |
0.17 |
0.16 |
0.11 |
0.17 |
| 의자(통기성천) |
0.15 |
0.25 |
0.40 |
0.45 |
0.45 |
0.40 |
0.39 |
| 인조석 |
0.02 |
0.02 |
0.02 |
0.03 |
0.04 |
0.04 |
0.03 |
| 아스플트펠트 2P(공기층 250t) |
0.50 |
0.30 |
0.20 |
0.10 |
0.10 |
0.10 |
0.18 |
| 암면흡음판 12t, 공기층 300 |
0.20 |
0.20 |
0.40 |
0.60 |
0.70 |
0.75 |
0.48 |
| 연질우레탄 폼 20t |
0.07 |
0.20 |
0.40 |
0.55 |
0.70 |
0.70 |
0.45 |
| 연질 우레탄폼 20t, 공기층 40t |
0.10 |
0.25 |
0.60 |
0.90 |
0.80 |
0.85 |
0.54 |
| 오케스트라 연주자(악기를 가진) |
0.35 |
0.80 |
1.10 |
1.50 |
1.20 |
1.10 |
1.15 |
| 우드 울 판 50t |
0.10 |
0.20 |
0.45 |
0.80 |
0.60 |
0.75 |
0.51 |
| 우드 울 판 50t(공기층50t) |
0.15 |
0.45 |
0.75 |
0.50 |
0.80 |
0.75 |
0.65 |
| 우레탄폼(33k, 50t) |
0.08 |
0.25 |
0.61 |
0.92 |
0.95 |
0.92 |
0.52 |
| 조명판(플라스팀) |
0.40 |
0.25 |
0.20 |
0.20 |
0.22 |
0.25 |
0.22 |
| 청중(m^2) |
0.40 |
0.60 |
0.30 |
0.90 |
0.90 |
0.80 |
0.80 |
| 청중(가죽 혹은 비닐의자) |
0.15 |
0.35 |
0.45 |
0.45 |
0.45 |
0.40 |
0.43 |
| 청중(극장의자에 앉은 성인) |
0.25 |
0.35 |
0.40 |
0.40 |
0.40 |
0.40 |
0.39 |
| 청중(나무의자) |
0.15 |
0.35 |
0.40 |
0.45 |
0.45 |
0.40 |
0.41 |
| 청중(양탄자 의자) |
0.18 |
0.21 |
0.46 |
0.46 |
0.51 |
0.50 |
0.45 |
| 청중(통기성 천의자) |
0.25 |
0.40 |
0.55 |
0.65 |
0.65 |
0.50 |
0.56 |
| 천공판(4-15t), 판두께5t, 공기층180t |
0.12 |
0.45 |
0.30 |
0.25 |
0.23 |
0.16 |
0.31 |
| 천공판(4-15t), 판두께5t, 공기층45t |
0.02 |
0.09 |
0.25 |
0.31 |
0.15 |
0.10 |
0.20 |
| 천공판(4-15t), 판두께5t, 공기층45t,g/w25 |
0.15 |
0.35 |
0.82 |
0.52 |
0.23 |
0.22 |
0.48 |
| 천공판(4-15t), 판두께5t, 공기층500t |
0.45 |
0.31 |
0.31 |
0.30 |
0.30 |
0.28 |
0.31 |
| 천공판(4-15t), 판두께5t, 공기층500t,g/w2 |
0.87 |
0.61 |
0.70 |
0.65 |
0.46 |
0.33 |
0.61 |
| 천공판(6-15t), 판두께5t, 공기층45t |
0.02 |
0.08 |
0.15 |
0.31 |
0.20 |
0.18 |
0.19 |
| 천공판(6-15t), 판두께5t, 공기층45t,g/w5 |
0.13 |
0.32 |
0.78 |
0.69 |
0.40 |
0.31 |
0.55 |
| 천공판(6-15t), 판두께5t, 공기층500t |
0.35 |
0.29 |
0.30 |
0.35 |
0.36 |
0.39 |
0.33 |
| 천공판(6-15t), 판두께5t, 공기층500t,g/w2 |
0.87 |
0.68 |
0.76 |
0.82 |
0.71 |
0.50 |
0.74 |
| 천공판(6-22t), 판두께9t, 공기층300t |
0.35 |
0.37 |
0.25 |
0.22 |
0.23 |
0.22 |
0.27 |
| 천공판(6-22t), 판두께9t, 공기층300t,g/w2 |
0.68 |
0.82 |
0.58 |
0.53 |
0.33 |
0.23 |
0.57 |
| 천공판(6-22t), 판두께9t, 공기층45t |
0.03 |
0.09 |
0.46 |
0.31 |
0.18 |
0.15 |
0.26 |
| 천공판(6-22t), 판두께9t, 공기층45t,g/wt |
0.09 |
0.50 |
0.94 |
0.44 |
0.22 |
0.21 |
0.53 |
| 천공판(8-16t), 판두께4t, 공기층300t |
0.22 |
0.30 |
0.29 |
0.23 |
0.19 |
0.28 |
0.25 |
| 천공판(8-16t), 판두께4t, 공기층300t,g/w2 |
0.61 |
0.73 |
0.54 |
0.51 |
0.62 |
0.58 |
0.65 |
| 천공판(8-16t), 판두께4t, 공기층300t,락울2 |
0.85 |
0.94 |
0.83 |
0.75 |
0.65 |
0.60 |
0.80 |
| 콘크리트 바닥면 |
0.01 |
0.02 |
0.02 |
0.02 |
0.03 |
0.04 |
0.02 |
| 콘크리트 블록(페인트칠) |
0.10 |
0.05 |
0.05 |
0.07 |
0.09 |
0.08 |
0.07 |
| 콘크리트 인조석 마감 |
0.02 |
0.02 |
0.02 |
0.03 |
0.04 |
0.04 |
0.03 |
| 0.55석고(벽에 부착) |
0.013 |
0.015 |
0.02 |
0.03 |
0.04 |
0.05 |
0.03 |
| 25t 천연펄프흡음재(TN-NPS) |
0.08 |
0.29 |
0.75 |
0.98 |
0.93 |
0.96 |
0.75 |
| skyviva |
0.20 |
0.48 |
0.75 |
0.93 |
0.95 |
1.00 |
0.78 |
| Tan"NPB"(13mm) |
0.08 |
0.16 |
0.45 |
0.87 |
1.07 |
1.12 |
0.55 |
| 카펫트 25t |
0.02 |
0.05 |
0.10 |
0.35 |
0.45 |
0.55 |
0.24 |
| 카펫트 2t |
0.01 |
0.02 |
0.03 |
0.05 |
0.08 |
0.10 |
0.05 |
| 카펫트 5t |
0.03 |
0.05 |
0.05 |
0.25 |
0.35 |
0.50 |
0.18 |
| 카펫트 6t |
0.03 |
0.09 |
0.25 |
0.31 |
0.33 |
0.44 |
0.25 |
| 카펫트 (고무판 위) |
0.08 |
0.24 |
0.57 |
0.59 |
0.71 |
0.73 |
0.55 |
| 카펫트 (콘크리트 위) |
0.02 |
0.05 |
0.014 |
0.37 |
0.60 |
0.55 |
0.26 |
| 카펫트 (타일) |
0.09 |
0.10 |
0.20 |
0.25 |
0.30 |
0.40 |
0.21 |
| 커튼(비로드) |
0.05 |
0.07 |
0.13 |
0.22 |
0.32 |
0.35 |
0.19 |
| 커튼(비로드, 공기층 100mm) |
0.10 |
0.25 |
0.55 |
0.65 |
0.70 |
0.70 |
0.54 |
| 커튼(비로드, 공기층 500mm) |
0.15 |
0.25 |
0.50 |
0.75 |
0.80 |
0.85 |
0.58 |
| 커튼(주름 50%) |
0.05 |
0.25 |
0.40 |
0.50 |
0.60 |
0.50 |
0.44 |
| 커튼(직선형) |
0.05 |
0.10 |
0.15 |
0.20 |
0.25 |
0.30 |
0.18 |
| 텍텀(1" wall panels) |
0.06 |
0.13 |
0.24 |
0.45 |
0.82 |
0.54 |
0.40 |
| 텍텀(1"*24"*24" Lay-in: ceiling) |
0.40 |
0.42 |
0.35 |
0.48 |
0.60 |
0.93 |
0.45 |
| 텍텀(2 Clouds) |
0.43 |
0.50 |
0.42 |
0.62 |
0.86 |
1.04 |
0.50 |
| 텍텀(25mm) |
0.48 |
0.46 |
0.36 |
0.55 |
0.74 |
0.79 |
0.57 |
| 텍텀(2" wall panels) |
0.15 |
0.26 |
0.62 |
0.94 |
0.54 |
0.92 |
0.50 |
| 텍텀(2"*24"*24" Lay-in: ceiling) |
0.48 |
0.48 |
0.36 |
0.55 |
0.74 |
0.79 |
0.55 |
| 펄라이트 플라스터(분무)25mm |
0.12 |
0.35 |
0.30 |
0.88 |
0.85 |
0.90 |
0.72 |
| 펄라이트 플라스터(분무)5mm |
0.04 |
0.10 |
0.17 |
0.17 |
0.19 |
0.20 |
0.16 |
| 쪽나무 마루 |
0.10 |
0.25 |
0.10 |
0.10 |
0.07 |
0.07 |
0.13 |
| 흡음텍스9t(공기층90) |
0.30 |
0.20 |
0.16 |
0.12 |
0.15 |
0.20 |
0.15 |
| 합판(금강고려화학) |
0.28 |
0.22 |
0.17 |
0.09 |
0.10 |
0.11 |
0.22 |
| Acoustic plaster (SBI) |
0.15 |
0.25 |
0.40 |
0.55 |
0.60 |
0.60 |
0.45 |
| Acoustic plaster 12mm thick (typical values) |
0.10 |
0.15 |
0.20 |
0.25 |
0.30 |
0.35 |
0.23 |
| Acoustic plaster on solid wall |
0.10 |
0.15 |
0.20 |
0.25 |
0.30 |
0.35 |
0.23 |
| Acoustic tiles on solid wall or ceiling |
0.15 |
0.42 |
0.65 |
0.72 |
0.70 |
0.60 |
0.62 |
| Acoustic tiles suspended |
0.40 |
0.50 |
0.70 |
0.77 |
0.80 |
0.75 |
0.59 |
| Brick, unglazed |
0.03 |
0.03 |
0.03 |
0.04 |
0.05 |
0.07 |
0.04 |
| Brickwork (pointed) |
0.05 |
0.04 |
0.02 |
0.04 |
0.05 |
0.05 |
0.04 |
| Carpet 6mm pile bonded to open-cell foam underlay |
0.03 |
0.09 |
0.20 |
0.54 |
0.70 |
0.72 |
0.38 |
| Carpet, indoor outdoor, foam back |
0.02 |
0.02 |
0.15 |
0.39 |
0.74 |
0.77 |
0.33 |
| Carpet, loop pile, medium heavy jute back over hair pad |
0.06 |
0.21 |
0.57 |
0.55 |
0.56 |
0.50 |
0.5 |
| Ceramic tiles with smooth surface (SBI) |
0.01 |
0.01 |
0.01 |
0.02 |
0.02 |
0.02 |
0.015 |
| Compressed mineral fibre suspended ceiling tile |
0.40 |
0.50 |
0.65 |
0.75 |
0.80 |
0.75 |
0.58 |
| Concrete |
0.01 |
0.01 |
0.015 |
0.02 |
0.02 |
0.03 |
0.02 |
| Concrete block, course |
0.35 |
0.44 |
0.31 |
0.29 |
0.39 |
0.25 |
0.35 |
| Concrete block, painted, sealed |
0.10 |
0.05 |
0.06 |
0.07 |
0.09 |
0.08 |
0.07 |
| Concrete breeze or Cinder block |
0.20 |
0.30 |
0.60 |
0.60 |
0.50 |
0.50 |
0.5 |
| Cork tiles 25mm on solid wall |
0.05 |
0.10 |
0.20 |
0.55 |
0.60 |
0.55 |
0.35 |
| Curtains in heavy folds |
0.10 |
0.35 |
0.55 |
0.70 |
0.70 |
0.65 |
0.58 |
| Curtains in medium folds |
0.05 |
0.15 |
0.35 |
0.55 |
0.65 |
0.55 |
0.43 |
| Face brickwork |
0.05 |
0.04 |
0.04 |
0.04 |
0.05 |
0.05 |
0.04 |
| Glass (1 m2) 4 mm |
0.20 |
0.25 |
0.20 |
0.10 |
0.05 |
0.05 |
0.15 |
| Glass (1 m2) 6 mm |
0.15 |
0.06 |
0.04 |
0.08 |
0.05 |
0.05 |
0.05 |
| Glass fibre acoustic blanket, 50mm thick supported 100mm from wall |
0.18 |
0.65 |
0.95 |
0.95 |
0.95 |
0.95 |
0.88 |
| Glass pane 4mm ( average size ) |
0.35 |
0.25 |
0.18 |
0.12 |
0.07 |
0.04 |
0.16 |
| Glass pane 6mm ( large size ) |
0.18 |
0.06 |
0.04 |
0.03 |
0.02 |
0.02 |
0.04 |
| Hardcord carpet on hard floor |
0.02 |
0.01 |
0.05 |
0.10 |
0.30 |
0.50 |
0.12 |
| Hardcord carpet on underfelt |
0.05 |
0.05 |
0.10 |
0.20 |
0.45 |
0.55 |
0.2 |
| Heavy carpet on concrete |
0.02 |
0.06 |
0.14 |
0.37 |
0.60 |
0.65 |
0.29 |
| Heavy curtains in folds against solid backing |
0.06 |
0.10 |
0.38 |
0.63 |
0.70 |
0.73 |
0.45 |
| Heavy pile carpet on underfelt |
0.07 |
0.25 |
0.50 |
0.60 |
0.70 |
0.70 |
0.51 |
| Light curtains against solid backing |
0.04 |
0.07 |
0.11 |
0.18 |
0.30 |
0.35 |
0.66 |
| Linoleum or vinyl stuck to concrete (SBI) |
0.02 |
0.02 |
0.03 |
0.04 |
0.04 |
0.05 |
0.03 & |
조회 : 14,311
