44.0 sq ft to purchase
Base area: 40.0 sq ft · Suggested boxes: 4
Base area: 40.0 sq ft · Suggested boxes: 4
Complex rooms need separate measurements
For shower walls, floors, niches and irregular areas, calculate each rectangle separately and add them. Subtracting every small opening is usually unnecessary for preliminary purchasing, but large openings can be handled separately. Layout complexity, breakage and future repair stock can justify additional material.