Sentence 9.20.13.6.(2)

Intent 1:

To limit the probability of an inadequate drip edge or return up walls, which could lead to precipitation or meltwater ingress.

This is to limit the probability of:

• the deterioration of masonry due to freeze-thaw stresses, or
• the deterioration of masonry elements, which could lead to compromised structural integrity.

This is to limit the probability of damage to the building.