Calculate shuttering/formwork area for columns, beams, and slabs in square metres and square feet. Essential for estimating plywood, props, and centering material costs.
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Shuttering Area Formulas
Column: Area = 2×(L+W)×H Beam: Area = (2×H + W)×L Slab: Area = L×W
Column 0.4×0.4m, 3m height, 4 nos: Area per column = 2×(0.4+0.4)×3 = 4.8 m² Total = 4.8 × 4 = 19.2 m²
Frequently Asked Questions
Standard 18mm shuttering plywood sheets are 8ft × 4ft (2.97 m²). Divide your total shuttering area by 2.97 to estimate the number of plywood sheets needed, adding 10% for wastage and cutting.