SECTION 4 -# 
EXTERIOR WALL SYSTEM 
INSPECTION 
GUIDE 
Protecting Your Building. Preserving Its Value. 
Purpose: The exterior wall system protects the building from Hawaii's 
demanding environment while preserving structural integrity, energy 
performance, and appearance. It works as part of the building envelope 
to manage rainwater, resist ultraviolet (UV) radiation, and protect the 
wall assembly beneath. 
Routine inspections help identify developing conditions before they 
result in premature coating failure, moisture intrusion, or costly repairs. 
e 
SYSTEM OVERVIEW 
PRIMARY FUNCTION 
PRIMARY THREATS 
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Shed rainw.,ter away from the building. 
I A W radiation 
Protect the wall assembly from 
A Wind-driven rain 
environmental exposure. 
A High humidity 
Preserve exterior ,;oatings and cladding. 
A Salt air 
Manage moisture within the 
A Biological growth 
building envelope. 
A Thermal movenwint 
Maintain long-term appearance 
A Vegetation 
and durability. 
A Oefened maintenance 
INSPECTION GOAL 
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