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0393 Weep Holes Vented Rain Screen - Wall Systems - Masonry Veneer Walls - Image Text: Perspective view > foundation wall > weep holes allow air into cavity (to equalize pressure) while allowing water to drain out > cross section > high air pressure > sheathing paper protects wall from moisture and extends down to overlap bottom flashing > wall framing > air gap > sheathing > low air pressure > medium air pressure > floor framing > flashing projects slightly beyond foundation wall and extends up the face of the stud wall about 6 inches behind the building paper > foundation |
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