Expert Guide

Masonry & Wall
Wall Area & Deduction Calculator
Quality Inspector

Find the actual area of masonry work by subtracting openings from gross wall area.
📐 Formula & Method
Net Area = Gross Area - (Sum of Openings).
Net Area = Gross − Doors − Windows
📋 Worked Example
20m² wall with 2m² door and 3m² window: Net = 20 - 5 = 15 m².
❓ Frequently Asked Questions
Precise material estimation requires using net area, as no bricks/mortar are used where doors/windows are placed.
Professional House Estimation
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