Metal roofing calculator
Panels, trim, closures and fasteners for a metal roof, standing seam or exposed fastener, from its squares and its edges.
An estimate of the materials a job takes, worked out in your browser: check it against the job, and against your local code where it matters. Nothing you type leaves this page.
Put in the job's numbers and choices, and the list below follows them.
What it takes
Worked out for Roof area 30 squares, Eaves 120 ft, Rakes 80 ft, Ridges and hips 40 ft, Valleys 20 ft, Pipe penetrations 3 each, Average panel length 16 ft, Panel: Standing seam, 16 in, Layers to tear off: One.
Panels
- Standing seam panel, 16 in 155 each (Roof area 30 squares × 100) ÷ Each panel covers 21.33 sq ft: 140.63 each; plus 10% waste: 154.69; rounded up to whole each: 155. Cut to length: order them at the panel length.
- Standing seam panel clips 6 box Roof area 30 squares, one per 5: 6 box.
Left out: Metal roofing screws, 250 ct (only when Panel is Exposed fastener, 36 in).
Trim and underlayment
- Synthetic underlayment 33 squares Roof area 30 squares: 30 squares; plus 10% waste: 33.
- Eave trim, 10 ft 13 each Eaves 120 ft at 10 a piece: 12 each; plus 5% waste: 12.6; rounded up to whole each: 13.
- Rake trim, 10 ft 9 each Rakes 80 ft at 10 a piece: 8 each; plus 5% waste: 8.4; rounded up to whole each: 9.
- Metal ridge cap, 10 ft 5 each Ridges and hips 40 ft at 10 a piece: 4 each; plus 5% waste: 4.2; rounded up to whole each: 5.
- Metal valley, 10 ft 3 each Valleys 20 ft at 10 a piece: 2 each; plus 5% waste: 2.1; rounded up to whole each: 3.
- Foam closure strip 67 each Eaves 120 ft + (Ridges and hips 40 ft × 2), one per 3: 66.67 each; rounded up to whole each: 67.
- Butyl tape, 50 ft 6 roll ((Eaves 120 ft + Rakes 80 ft) + Ridges and hips 40 ft) + Valleys 20 ft, one per 50: 5.2 roll; rounded up to whole roll: 6.
- Metal roof pipe boot 3 each Pipe penetrations 3 each: 3 each.
- Metal roof sealant 5 tube Roof area 30 squares, one per 6: 5 tube.
Disposal
- Dumpster, 20 yd 1 each ceil((Roof area 30 squares × 1 (One)) ÷ 30): 1 each.
Labor
- Tear-off 30 squares Roof area 30 squares × 1 (One): 30 squares.
- Metal roof installation 30 squares Roof area 30 squares: 30 squares.
What it leaves out
- Gutters
- Snow guards
- Rafter or structural repair
- Permits and inspection fees
The same calculator in SMG Tools
In SMG Tools this calculator fills its numbers from the client's site measurements, prices every line from your own Price Book, checks the margin against your target, and carries the lines onto the proposal, the job's plan and the purchase order. It is one of the ready-made calculators SMG Tools sets up for roofing, and calculators are on every plan.