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1763 Weep Holes Vented Rain Screen Principle - House Exterior - Masonry
 
1763 Weep Holes Vented Rain Screen Principle - House Exterior - Masonry -

Image Text: Perspective view > cross section > foundation wall > weep holes allow air into cavity (to equalize pressure) while allowing water to drain out > flashing projects slightly beyond foundation wall and extends up the face of the stud wall about 6 inches behind the building paper > 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 > foundation

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