Free tool

Roof calculator

Enter your roof measurements and pick a sheet. We work out the sheets and cost, and you can order or ask for an exact quote.

Length of the roof along the ridge.

Flat distance from the wall to the ridge, one side.

Most homes use 10 to 25. Not sure? Keep 15.

Sheet that hangs past the wall for water runoff.

Roof shape
Your estimate
56
sheets of 4 m
KES 75,600
KES 1,350 per sheet, excluding delivery
Roof area
88.8 m²
Slope length
4.44 m
Sheets per row
14
Rows per slope
2

Your roof slope is 4.4 m long, longer than our longest sheet (4 m), so each slope uses 2 rows of sheets with an end lap.

This is an estimate. Ridge caps, nails, flashing and wastage are not included. We confirm exact quantities on your quote.