Dimensions and Wall Properties |
Modular size mm |
100 |
150 |
200 |
250 |
300 |
Actual overall width mm |
90 |
140 |
190 |
240 |
290 |
Minimum face shell thickness mm |
26 |
26 |
32 |
35 |
38 |
Minimum web thickness mm |
26 |
26 |
26 |
28 |
32 |
End flange width mm (Note 1) |
N/A |
N/A |
50 |
50 |
50 |
Equivalent thickness mm |
66 |
80 |
103 |
121 |
144 |
Percentage solid |
74 |
57 |
54 |
51 |
50 |
Approximate mass of wall in place (Note 2)
normal weight kg/m2 |
140 |
170 |
215 |
255 |
300 |
Fire rating hours (Note 3)
concrete type S or N (minutes) |
54 |
66 |
99 |
130 |
183 |
Sound transmission class STC (Note 4)
normal weight (Note 2) db |
45 |
47 |
51 |
53 |
56 | Notes: Figures given for mass of wall and sound transmission are given as a guide only. - Standard 100mm units available with plain ends only.
- Densities assumed: normal weight 2100 kg/m3 (131 lb/cu ft).
- Fire ratings taken from the National Building Code Supplement No. 2, 1988.
Note that some of the aggregate types listed above are not available in all areas of Canada.
- STC ratings estimated from NCMA publication TEK 9 for walls painted on both sides.
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