Roof calculator
How many sheets does your roof need?
Enter your building size and roof pitch for an instant estimate of sheet count, cut length and roof area. Send it straight to our team for an exact quotation.
1. Your roof
Along the ridge
Wall to wall, across both slopes
Most Kenyan residential roofs sit between 15° and 30°. Not sure? Leave it at 20°.
Eaves & gable overhang, each side
Extra sheets for cuts and damage
2. Your roofing
Width each tile covers along the eaves
Shake Tile Stone Coated: Typical stone-coated tile cover of 1.26 × 0.37 m (about 2.15 tiles per m²). This is a typical industry figure, filled in for you — our team confirms the exact cover for your order in your quotation. Stone-coated tiles are a fixed size, so this estimate counts tiles rather than cut sheets.
Your estimate
301tiles
13 courses per slope · Shake Tile Stone Coated
- Tiles per slope
- 143 × 2
- Roof area
- 124.5 m²
- Ridge length
- 13 m
- Eaves (gutter run)
- 26 m
Estimated material cost — Shake Tile Stone Coated
- 0.4mm · KSh 750/tileKSh 225,750
- 0.5mm · KSh 900/tileKSh 270,900
Excludes accessories and delivery.
This is a guide for simple gable and mono-pitch roofs. Hips, valleys, dormers and other features change the quantities — book a free site visit and we'll measure for you.