Estimate vinyl & HardiePlank siding squares, starter strips, J-channels, corner posts, and housewrap rolls.
Most popular residential vinyl siding profile (8" exposure per 12.5' panel).
Add main exterior wall runs.
Triangular peak sections above standard wall heights.
Subtracted from siding area and added to J-channel/trim linear footage.
10% standard; 15% for gables & complex cuts.
Standard 4 corners on a box house.
L-shaped or recessed porches.
Tyvek / HardieWrap 9'×100' rolls
10-ft metal/vinyl locking strips
12.5-ft window/door trims
1 Square = 100 sq ft
9' × 100' roll
10' Corner Post
12.5' trim piece