Residential · IRC 2021 §R703.8.5 / §R703.8.6
Masonry Veneer Flashing and Weepholes
Masonry veneer base: flashing under the first course above grade and at floors, shelf angles and lintels, weepholes 33 in o.c. max, 3/16 in min, just above the flashing.. Referenced to IRC 2021 §R703.8.5 / §R703.8.6.
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