Predicted Weighted Sound Reduction Index (RW) Values of Celcon Blockwork

Block Thickness

(mm)

Mass of Wall Construction (m)

(Kg/m2)

Unfinished

Surfaces

Finished both sides with 13mm

Lightweight Plaster

Dense Plaster

Solar

Standard

Hi-7/10

Solar

Standard

Hi-7/10

Solar

Standard

Hi-7/10

75

42.4

53.9

63.3

62.4

73.9

83.3

90.4

101.9

113.3

90

50.9

64.7

75.9

70.9

84.7

95.9

98.9

112.7

123.9

100

56.6

71.9

84.3

76.6

91.9

104.3

104.6

119.9

132.3

115

65.0

82.7

97.0

85.0

102.7

117.0

113.0

130.7

145.0

125

70.7

89.9

105.4

90.7

109.9

125.4

118.7

137.9

153.4

140

79.2

100.6

118.1

99.2

120.6

138.1

127.2

148.6

166.1

150

84.8

107.8

126.5

104.8

127.8

146.5

132.8

155.8

174.5

190

107.5

136.6

160.3

127.5

156.6

180.3

155.5

184.6

208.3

200

113.1

143.8

168.7

133.1

163.8

188.7

161.1

191.8

216.7

215

121.6

154.6

181.3

141.6

174.6

201.3

169.6

202.6

229.3

230

130.1

165.3

194.0

150.1

185.3

214.0

178.1

213.3

242.0

250

141.4

179.7

210.9

161.4

199.7

230.9

189.4

227.7

258.9

275

155.5

197.7

231.9

175.5

217.7

251.9

203.5

245.7

279.9

300

169.7

215.7

253.0

189.7

235.7

273.0

217.7

263.7

301.0

Block Thickness

(mm)

PREDICTED WEIGHTED SOUND REDUCTION INDEX (RW) (Db)

Unfinished

Surfaces

Finished both sides with 13mm

Lightweight Plaster

Dense Plaster

Solar

Standard

Hi-7/10

Solar

Standard

Hi-7/10

Solar

Standard

Hi-7/10

75

33.5

36.4

38.3

38.1

40.2

41.6

42.6

44.0

45.1

90

35.7

38.6

40.5

39.7

41.8

43.3

43.7

45.2

46.4

100

36.9

39.8

41.8

40.6

42.8

44.3

44.3

46.0

47.2

115

38.6

41.5

43.4

41.9

44.1

45.7

45.3

47.0

48.3

125

39.6

42.5

44.4

42.6

44.9

46.5

45.9

47.7

48.9

140

41.0

43.9

45.8

43.7

46.1

47.7

46.7

48.6

49.9

150

41.8

44.7

46.6

44.4

46.8

48.4

47.2

49.1

50.5

190

44.7

47.6

49.5

46.7

49.2

50.9

49.1

51.2

52.6

200

45.3

48.2

50.1

47.2

49.7

51.4

49.5

51.6

53.1

215

46.2

49.0

51.0

48.0

50.5

52.2

50.2

52.3

53.8

230

47.0

49.8

51.8

48.7

51.2

53.0

50.7

52.9

54.4

250

48.0

50.9

52.8

49.6

52.1

53.9

51.5

53.7

55.2

275

49.1

52.0

53.9

50.6

53.2

54.9

52.4

54.6

56.2

300

50.2

53.0

55.0

51.5

54.1

55.9

53.2

55.5

57.1

AIRCRETE (AUTOCLAVED AERATED CONCRETE) MASS LAW: Rw = 27.7 Log (m) - 11.6

Rilem Recommended Practice: Autoclaved Aerated Concrete - Properties Testing and Design

This information has been sourced, reviewed and adapted from materials provided by H + H Celcon.

For more information on this source, please visit H + H Celcon.

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