E
Exterior
�
Be endorsed as a third-party inspector / risk management consultant by the residential underwriting community
VERIFICATION Documentation: The Rater must collect the following:
E3.
INTENT
� Plans that show the flashing details.
� An Accountability Form with measure criteria signed by a qualified third-party inspector to attest that the details were verified. If he or she is properly qualified, the Rater may serve as the thirdparty inspector.
To improve building performance and durability by incorporating permanent and effective measures designed to prevent moisture damage commonly found at exterior areas.
RAIN SCREEN WALL SYSTEM
CRITERIA FOR QUALIFICATION
Two points of credit may be given if siding has been installed with three-eighths of an inch of air space present between the siding and the drainage plan or sheathing. The air space must be created by spacer strips / clips, a drainage mat, or a specifically designed rain screen system that allows for effective ventilation of the wall, including provisions for flashing around wall penetrations( such as windows and doors) and continuous ventilation strips at the bottom and top of the wall.
VERIFICATION
Field Verification: The Rater must conduct field compliance verification of the ventilated drainage plane system and flashing of penetrations.
Documentation: The Rater must review the building plan and verify that it includes a drainage plane, threeeighths of an inch of air space, and flashing details.
The Rater is not responsible for verifying proper flashing details; this task must be accomplished by a thirdparty inspector / risk management consultant, and is described in measure E2,“ Flashing Installation Techniques,” on page 37.
INTENT
DRAFT
To promote durability and reduce unwanted moisture in exterior walls.
DRAFT GreenPoint Rated New Home Rating Manual 38 Version 6.0, September 2013
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