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Measure exterior walls
Add the square footage of all wall surfaces that will receive siding.
Estimate siding area after subtracting doors and windows, then add a waste allowance and convert the result to siding squares.
0 sq ft
Siding required
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Remove major openings from the gross wall area for a more useful material estimate.

Include extra siding for trimming, pattern matching, and damaged pieces.

See square feet and squares, where one siding square covers 100 square feet.

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A siding square is the amount of material needed to cover 100 square feet of wall area.