Estimates the material needed to finish window reveals and slopes.
The window-reveal calculator works out the area and the amount of plaster needed to finish the reveals (jambs and head) of all the windows in a room.
Area = Windows × (Window width + 2 × Window height) × Reveal depth kg = Area × Coverage rate Bags = ⌈kg / Bag weight⌉
5 windows of 1.4 × 1.2 m, 30 cm reveal depth, 8 kg/m², 25 kg bags. Run per window: 1.4 + 2 × 1.2 = 3.8 m. Area: 5 × 3.8 × 0.3 = 5.7 m². kg: 5.7 × 8 = 46 → 2 bags.
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