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<br /> Trim Weather Resistive Barrier (WRB)
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<br /> Figure 1
<br /> 1. Make horizontal cuts across the top and 3. Make a vertical cut down the center of the RO. 5. Add a continuous "Sill Wedge" out of cedar
<br /> bottom of the RO. Then make 45 degree cuts away from the siding or similar water resistant material to
<br /> corners of the top of the RO. See figure 1 b. create a positive drainage slope. Glue to the
<br /> 2. Trim up from the bottom corners about 2" (51) RO sill with two beads of sealant or adhesive
<br /> and then make an additional horizontal cut 4. Flip top flap up and tack in place temporarily. and screw in place. See figure 1c.
<br /> about 3 1/2" (s9)wide. Tack the side flaps away until sill flashing is
<br /> installed. See figure 1 b. NOTE: This will affect your RO height, plan
<br /> accordingly.
<br /> 2012-03-07 3 Window Rough Opening Prep and Flashing
<br /> 19913776 Method A1 -Membrane Drainage System
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