Tools · Roof Sheet Calculator

Measure the roof, pick a sheet, and see how many sheets it takes and how long each one should be. Every sheet is delivered at the length you need.

Roof shape

along the edge, in feet

ft

edge to top, with overhang

ft

Sheet

You'll need about

20sheets

each 12 ft long · 10 per slope

  • Billed area: 866 sq ft
  • Ridge: about 30 ft along the top

An estimate. Sheets overlap by one rib; we confirm your measurements before the sheets are made to length.

Send this to the shop

Planning a job?

Pick the job, send us the list, and tell us your size. We'll work out the quantities and send back today's rates.

Sheet roof

A tube-frame roof for a terrace, car porch or work shed.

Typical list

  • Columns100×100 GP
  • Rafters & truss80×40 GP
  • Purlins50×25 GP
  • Roof sheetsRoofing sheet 0.35 mm
  • RidgeRidges 35
  • Sheet fixingSelf screw 55 mm
  • Column footingBase plate 6″
Work out the sheets

Rain gutter

A 6″ gutter along the roof edge, piped down to the ground.

Typical list

  • Gutter6″ Star gutter 5 m
  • FittingsJoint · Clamp · End cap
  • Outlet to the pipeDrop · Centre drop
  • Down-pipePVC pipe 80 mm · Elbow · Bend
  • SealingSilicone
Send this list

A starting point, not a fixed kit. Every job is sized at the counter.