Standing Seam Metal Roof Panel & Trim Calculator
Calculate metal roof panel counts, total linear feet, thermal expansion clip spacing, and complete flashing trim packages (ridge, eave, rake, valleys) per SMACNA and MCA standards.
Roof Geometry & Slope
ft
Along the horizontal eave/ridge.
ft
Horizontal building half-width.
in/12
in
Overhang past exterior wall line.
Panel Profile & Fastening Specification
Panel Order Summary
60 PANELS (1,334 LIN FT)
Total Standing Seam Panels
60 Panels
Cut length: 22' 2-5/8" per panel
Total Linear Footage
1,334 lin ft
17.7 Roofing Squares (1,771 sq ft)
Expansion Seam Clips
720 Clips
1,440 Pancake Head Screws
Estimated Metal Weight
1,771 lbs
24-Ga Galvalume Steel substrate
Trim & Flashing Takeoff (Standard 10-ft Pieces)
Ridge Cap Flashing (Vented / Solid):
5 pieces (40 lin ft)
Eave Drip Edge Trim:
9 pieces (80 lin ft)
Gable / Rake Edge Trim:
10 pieces (89 lin ft)
Synthetic Underlayment (1,000 sq ft/roll):
2 rolls (with 10% overlap waste)
SMACNA Architectural Sheet Metal Standards
MCA Guidelines
Standing seam panels must be ordered with a 1-inch eave hem allowance for hooking onto the continuous eave starter cleat. Floating expansion clips permit unrestricted longitudinal thermal movement during seasonal temperature swings without oil-canning or fastener fatigue.