ASTM E2112 (flashing installation), ASTM E2556 (WRB), FBC or local building code, James Hardie installation guide, MPI Architectural Painting Spec Manual

• Probe, photograph, and map all deteriorated, loose, damaged, or moisture-compromised siding sections.
• Pin moisture meter readings at all probed locations; IR thermography to trace water infiltration extent.
• WRB assessment: note tears, gaps, and missing sections visible at siding edges or openings.
• Flashing inspection: check all siding-to-window, siding-to-door, and penetration flashings for code compliance.

• Remove damaged siding sections; inspect and repair substrate before WRB installation.
• Install new WRB per ASTM E2556: overlap horizontal seams minimum 2" (upper over lower); vertical seams minimum 6".
• Tape all seams per manufacturer; integrate with window and door flashings per ASTM E2112.
• Approved: Henry Blueskin VP100, Prosoco R-Guard, Huber ZIP System, DuPont Tyvek HomeWrap.

• Install James Hardie HardiePlank, HardiePanel, or Nichiha per manufacturer installation guide.
• Maintain minimum 1" clearance from grade, 6" from roofing; gap at all transitions per guide.
• Pre-prime all field cuts; back-prime all replacement boards.
• Prime and paint within 180 days of installation.

• Install per manufacturer: maintain 1/32" slip clearance at all joints to allow thermal expansion.
• Use manufacturer accessories: J-channel, F-channel, starter strips, and inside/outside corners.
• Leave nailing slots fully extended — do not nail tight; vinyl must be free to move thermally.

• Install step flashing, head flashing, and kick-out flashing at all roof-to-wall intersections.
• Install flexible flashing tape at all window and door heads, sills, and jambs per ASTM E2112.
• All penetrations: sleeve through siding; seal with compatible sealant around sleeve.