Installation Guide
Copyright ©2012 E. I. du Pont de Nemours and Company. All Rights Reserved. Rev. 2/12  13
DuPont
™
 Tyvek
®
 Water-Resistive and Air Barriers Installation Guidelines
PROPER OVERLAP FOR WATER MANAGEMENT
A. Lap all components from bottom of the wall to the top of the wall 
B. Treat the walls of the building just like a roof
NOTE: A condition of the DuPont 10 year Limited Warranty is compliance with the 
Installation Guidelines for DuPont Weatherization Products. In the event that a 
specific detail or installation technique is not part of the Installation Guidelines at the 
time that you are building., then the Key Installation Principles outlined in this 
document should be followed. Please contact DuPont with any questions regarding 
these Installation Guidelines.










