Foundation to Sheathing
A. JOINT AND SEAM SEALANT OR APPROVED TAPE
B. SILL SEAL
1. To function as air barrier, foundation must be structural reinforced concrete.
2. Prevent sheathing-to-concrete contact.
Apply approved sealant at all joints, seams, and penetrations.
Apply fluid applied membrane at interior of punched openings.
B. RIGID PANELS WITH FLUID APPLIED WRB
Apply fluid applied system at punched openings, seams, and penetrations.
Cover entire exterior plane of envelope with fluid applied WRB.
Apply fluid applied system at punched openings, joints, and penetrations.
Tile-in fabric WRB product into wet set transition sheets.
D. SEE SECTION 5.1 DUCT FLASHING WITH A RAIN SCREEN
Air Barrier: Exterior Wall Sheathing to Interior Ceiling Transition
1. Install perimeter rip of rigid panel before ceiling framing/trusses are set, extend past interior edge of top plate a minimum of 1” for flat ceiling over top plate.
2. Seal perimeter rip panel edges prior to setting trusses.
3. For vaulted ceilings extend rigid panel 1/2” past inside of top plate.
B. JOINT AND SEAM SEALANT OR APPROVED TAPE
C. RIGID PANEL WITH SEALANT OR TAPE
B. THIS SHEATHING LAYER IS ALSO THE AIR BARRIER AND WILL BE SEALED AT ALL PANEL EDGES
D. INSULATION ABOVE OVERHANG FRAMING TO BE PROVIDED WITH VENTED NAIL BASE OR SIMILAR
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