When replacing complete window and door units in existing walls, it is critical to determine if there is a ____ and if it is possible to integrate the new units and flashing effectively into it.
A) BST
B) LKB
C) PPC
D) WRB

Question

Quizplus · Accepted Answer

The correct term is WRB, which stands for Water-Resistive Barrier. It's crucial to determine if a WRB exists and how to effectively integrate new window and door units with it to ensure proper water management in the building envelope.

When Replacing Complete Window and Door Units in Existing Walls