The table below is based on CSA A82-06 for Exterior Grade (EG) brick and ASTM C216-07 for Severe Weather (SW) brick.

*Typical range is based on product data from the Brampton Brick plant in Brampton, ON, CA in 2007. Individual runs will normally have lower ranges than shown.

Generic Table: 

Clay Brick Product Property

CSA Specification

ASTM Specification

Typical Range*

Compressive Strength

> 21 MPa

>3000 psi

40 – 60 MPa or 5800 – 8700 psi

5 hour boil water absorption

< 17 %

< 17 %

10 - 14 %

C/B Ratio

< 0.78

< 0.78

0.65 - 0.77