The Ontario Building Code | Compressive Strength

9.20.2.7. Compressive Strength

(1) The compressive strength of concrete blocks shall conform to Table 9.20.2.7.

Table 9.20.2.7.
Compressive Strength of Concrete Blocks

Forming Part of Sentence 9.20.2.7.(1)

Item

Column 1

Column 2

Column 3

Type of Block

Minimum Compressive Strength Over Net Area, MPa

Exposed to Weather

Not Exposed to Weather

1.

Solid or hollow concrete blocks

15

10

2.

Solid loadbearing cellular blocks

Not permitted

5

3.

Solid non-loadbearing cellular blocks

Not permitted

2

9.20.3. mortar