Step 7A details the fabrication process for a weather-resistive barrier jamb liner prior to rough opening installation. The liner is dimensioned with a nine-inch width segment and includes specific cut lines at the top and bottom corners to accommodate the framing depth. A central vertical fold line runs the length of the material to wrap the jamb profile. The height of the liner is sized to fit the overall depth of the framing.
W.R.B. JAMB LINER
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