Sentence 9.15.2.2.(3)

Intent 1:

To limit the probability that the inappropriate placement of grout will lead to the inadequate performance or premature failure of concrete block foundation walls under expected environmental or structural loads.

Where masonry units support or are part of an environmental separator, this is to limit the probability of deformation or cracking, which could lead to the excessive deformation, displacement or failure of required environmental separation elements.

This is to limit the probability of:

• condensation,
• rainwater ingress,
• the ingress of moisture from the ground, or
• compromised thermal performance of components intended to provide resistance to heat transfer.

This is to limit the probability of:

• an inadequate control of temperatures of interior spaces, drafts, relative humidity or water accumulation,
• the generation of pollutants from biological growth or from materials that become unstable on wetting,
• deterioration, which could lead to further compromised integrity of environmental separators.

This is to limit the probability of:

• negative effects on the air quality of indoor spaces,
• the inadequate thermal comfort of persons, and
• contact with moisture.

This is to limit the probability of harm to persons.