Why are weep openings placed above flashing in brick veneer?
Correct Answer
D) To drain water from the veneer cavity to the exterior
Weeps provide a path for water collected by flashing to drain from the veneer cavity to the exterior. Other choices do not describe the drainage function of weeps.
Why This Is the Correct Answer
Weeps provide a path for water collected by flashing to drain from the veneer cavity to the exterior. Other choices do not describe the drainage function of weeps.
Why the Other Options Are Wrong
Option A: Use weeps to let masons see the backup wall, leaving weeps unverified
In masonry work, To let masons see the backup wall is the wrong selection for Weeps: it answers the Weeps prompt with the wrong practical move.
Option B: Use weeps to reduce the number of veneer anchors
The trap in B is To reduce the number of veneer anchors. That selection is wrong because it leaves out the controlling Weeps result: To drain water.
Option C: Use weeps to increase mortar strength at the shelf angle
Choice C gives To increase mortar strength at the shelf angle. Its specific error: the choice would not get the project to To drain water from the veneer cavity to the exterior, which is the Weeps result verified by the source.
Memory Technique
Picture weeps doing the job; the answer names that job as To drain water from the veneer cavity to the exterior.
Reference Hint
Open International Building Code 2021 or 2024; use the index entry or section for "Masonry veneer flashing and weep function" to confirm that Weeps provide a path for water collected by flashing to drain from the veneer cavity to the exterior.
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