-
Hello! I'm your chat assistant, and I've reviewed the specification document for the 435021 Blanking Board Assembly. This document details the components of the assembly, including the leveling base and backer boards, as well as the screws required for assembly. I'm ready to help you with any questions you have.
-
What does the 435021 consist of?
What is the installer required to do with the backer board?
How are the boards fastened together?