Precast Concrete Data

Jersey

 

Average
Block
Mass
(Kg)

MC 3%

No
per
Grab

Mass
per
Grab (Kg)

Block
Density
Kg/m³

MC 3%

K
Value
W/m.K

MC 3%

R
Value
m² K/W

MC 3%

Blocks
per m²

Blocks
per m²

Laid on Flat inc Mortar

Blocks
per m²

Laid Upright inc Mortar

Insitu
Blocks
% m²

Wall Mass

Kg/m²
Laid  Flat

Wall Mass

Kg/m²
Laid Upright 

Fire
Resistance
Class

Sound Insulation based on Mass Law

Laid on Flat

 Sound Insulation based on Mass Law

Laid Upright

                               
Standard Dense Block 7.3N/mm²                              

440 x 75 x 215mm

14.6 88 1285 2257 1.46 0.048 10.57 27.78 9.88 93.43 483 157 A1 56 45
440 x 100 x 215mm 19.3 72 1391 2076 1.46 0.068 10.57 20.20 9.88 93.43 447 208 A1 55 48
440 x 140 x 215mm 27.9 48 1339 2131 1.46 0.096 10.57 14.81 9.88 93.43 458 298 A1 55 51
440 x 100 x 140mm 12.3 108 1326 2044 1.46 0.068 16.23 20.20 14.81 91.26 287 205 A1 51 48
440 x 140 x 140mm 18.1 72 1300 2132 1.46 0.096 16.23 14.81 14.81 91.26 298 298 A1 51 51
Brick 215 x 100 x 065mm 2.6 432 1106 2055 1.45 0.045 46.51 59.26 40.40 86.87 206 134 A1 48 44
Hollow 440 x 220 x 215mm 32.2 32 1029 1556 0.96 0.229 10.57 9.88 93.43 6.57 4.79 N/A A1 N/A N/A
                               
Fairfaced Dense Block 7.3N/mm²                              
440 x 100 x 215mm 19.1 72 1375 2052 1.40 0.071 10.57 20.20 9.88 93.43 442 206 A1 55 48
440 x 140 x 215mm 26.9 48 1291 2055 1.41 0.099 10.57 14.81 9.88 93.43 442 288 A1 55 51
                               
High Crush Dense Block 10.4N/mm²                              
440 x 100 x 215mm 19.8 72 1428 2131 1.54 0.065 10.57 20.20 9.88 93.43 458 213 A1 55 48
440 x 140 x 215mm 27.8 48 1334 2123 1.52 0.092 10.57 14.81 9.88 93.43 456 297 A1 55 51
                               
High Crush Dense Block 22.5N/mm²                              
440 x 100 x 215mm 20.8 72 1498 2235 1.65 0.061 10.57 20.20 9.88 93.43 479 223 A1 56 49
440 x 140 x 215mm 29.2 48 1402 2230 1.64 0.085 10.57 14.81 9.88 93.43 478 311 A1 56 52
                               
Medium Density Block 7.3N/mm²                              
440 x 140 x 215mm 23.5 48 1152 1795 1.13 0.124 10.57 14.81 9.88 93.43 390 254 A1 54 50
                               
Lightweight Block 7.3N/mm²                              
440 x 100 x 215mm 14.6 72 1051 1569 0.76 0.132 10.57 20.20 9.88 93.43 345 160 A1 53 45
440 x 140 x 215mm 19.7 48 946 1505 0.63 0.222 10.57 14.81 9.88 93.43 332 216 A1 52 48
                               
Cellular Euro Block 7.3N/mm²                              
440 x 140 x 215mm 19.5 48 936 1475 0.96   10.57 14.81 9.88     209 A1    

   
MC = Moisture Content
W/m.K = Thermal Conductivity
m² K/W = Thermal Resistance
Kg/m³ = Kilogrammes per Cubic Metre
Kg/m² = Kilogrammes per Square Metre

This data and information is for guidance purposes only. No responsibility will be accepted for any incorrect interpretation and / or use of the data and information contained within this table.

Guernsey

 

Average
Block
Mass
(Kg)

MC 3%

No
per
Grab

Mass
per
Grab (Kg)

Block
Density
Kg/m³

MC 3%

K
Value
W/m.K

MC 3%

R
Value
m² K/W

MC 3%

Blocks
per m²

Blocks
per m²

Laid on Flat inc Mortar

Blocks
per m²

Laid Upright inc Mortar

Insitu
 Blocks  
% m²
Insitu
 Mortar  
% m²

Wall Mass

Kg/m²
Laid  Flat

Wall Mass

Kg/m²
Laid Upright 

Fire
Resistance
Class

Sound Insulation based on Mass Law

Laid Upright

                               
Standard Dense Block 7.3N/mm²                              

440 x 100 x 215mm

21.1 54 1139 2267 1.70 0.059 10.57 20.20 9.88 93.43 6.57 226 485 A1 49
440 x 140 x 215mm 29.9 36 1076 2284 1.87 0.075 10.57 14.81 9.88 93.43 6.57 318 488 A1 52
440 x 100 x 140mm 13.7 72 986 2260 1.87 0.053 16.23 20.20 14.81 91.26 8.74 225 314 A1 49
440 x 140 x 140mm 19.7 56 1103 2311 1.87 0.075 16.23 14.81 14.81 91.26 8.74 321 321 A1 52
Brick 215 x 100 x 65mm 3.0 208 624 2409 2.06 0.032 46.51 59.26 40.40 86.87 13.13 154 237 A1 45
Trench 300 x 140 x 250mm 23.4 36 842 2261 1.87 0.160 23.81 21.51 12.41 90.32 9.68 314 674 A1 52
                               
Fairfaced Dense Block 7.3N/mm²                              
440 x 100 x 215mm 21.2 54 1145 2278 1.87 0.053 10.57 20.20 9.88 93.43 6.57 227 487 A1 49
440 x 140 x 215mm 29.8 36 1073 2276 1.87 0.075 10.57 14.81 9.88 93.43 6.57 317 487 A1 52
                               
High Crush Dense Block 10.4N/mm²                              
440 x 100 x 215mm 22.1 54 1193 2374 2.06 0.049 10.57 20.20 9.88 93.43 6.57 236 507 A1 51
440 x 140 x 215mm 31.2 36 1123 2383 2.06 0.068 10.57 14.81 9.88 93.43 6.57 331 508 A1 55
                               
High Crush Dense Block 22.5N/mm²                              
440 x 100 x 215mm 22.0 54 1188 2364 2.06 0.049 10.57 20.20 9.88 93.43 6.57 235 504 A1 49
440 x 140 x 215mm 30.8 36 1109 2353 2.06 0.068 10.57 14.81 9.88 93.43 6.57 327 502 A1 52
                               
Lightweight Block 7.3N/mm²                              
440 x 100 x 215mm 13.5 54 729 1450 0.63 0.159 10.57 20.20 9.88 93.43 6.57 149 321 A1 45
440 x 140 x 215mm 20.2 36 727 1543 0.63 0.222 10.57 14.81 9.88 93.43 6.57 221 340 A1 48

 
MC = Moisture Content
W/m.K = Thermal Conductivity
m² K/W = Thermal Resistance
Kg/m³ = Kilogrammes per Cubic Metre
Kg/m² = Kilogrammes per Square Metre

This data and information is for guidance purposes only. No responsibility will be accepted for any incorrect interpretation and / or use of the data and information contained within this table.