Lower Level Window Framing Repair: 1. Provide and install shoring support to upper floor structure. Remove exterior siding, window unit and exterior sheathing in damaged area and drywall as needed to make repairs. Reconstruct window opening framing, header and all support framing. Cut out and install new rim joist material where deteriated. Install additional blocking between floor joists at rim joist. Sister floor joists with glued and nailed 2x lumber extending back into the room 48”. Install new exterior sheathing in affected area and re-install window unit. Install new insulation, vapor barrier (sealed) and drywall. Tape, sand, and paint to match existing room finishes. Install interior window trim. Exterior: 2. Demo existing vinyl siding and trim accessories. 3. Remove and replace any water damaged exterior sheathing materials. (Provide 20 sheets of fiberboard replacement in the base bid, additional product or less product will be calculated based on Bid Alternate #1 values. Provide photo documentation of repaired areas to Project Manager. See Bid Alternate #1 for exterior fiberboard sheathing unit cost. 4. Provide and install Tyvek WRB around home exterior. Properly tape and seal all joints and penetrations. Remove innermost deck board and install deck rim flashing drip cap taped and flashed properly to the new WRB. Re-install deck board. Install new window tape flashing to all window and door openings. 5. Provide and install new vinyl siding, trims and accessories, including J-blocks at penetrations to the home exterior per spec book. Provide and install vinyl post wrap assembly at front porch column. Provide all associated sealants and accessories as needed for a neat and clean installation.
