Floor area: 0 m²
Shower tray area: 0 m²
Hydro Floor needed: 0 m²
Boxes to order: 0
Hydro Floor = (Floor area - Tray area) × 1.10
Wall area: 0 m²
Hydro Wall needed: 0 m²
Wall boxes to order: 0
Hydro Wall = Wall area × 1.10