Tools · Roof Sheet Calculator

Measure the roof, pick a sheet, and see how many sheets it takes and how long to cut them. We cut every sheet to your length at the counter.

Roof shape

along the edge, in feet

ft

edge to top, with overhang

ft

Sheet

You'll need about

20sheets

each cut to 12 ft · 10 per slope

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

An estimate. Sheets overlap by one rib; the counter checks your measurements before cutting.

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 16G
  • Rafters & truss80×40 GP 16G
  • Purlins50×25 GP 16G
  • Roof sheetsRoofing sheet 0.35 mm
  • RidgeRidges 35
  • Sheet fixingSelf screw 55 mm
  • Column footingBase plate 6″
Send this listWork 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.

More tools

Product Catalog

Search every size we stock, from TMT and tubes to gutters and hinges. Add what you need and send the whole list on WhatsApp.

Browse the catalog

Size & Weight Guide

Every tube, pipe, angle and rod we stock, its weight per piece, and a calculator for your order.

Open the weight chart