Wall Area
sq ft
Total exterior wall area
sq ft
Total area of all windows and doors combined
Siding Type
%
Standard 10%, increase for complex layouts (5-15%)
1 square = 100 sq ft of wall coverage. This is the standard ordering unit for vinyl siding. When ordering, round up — leftover material can be saved for future repairs.
Results
Material Needed
20
Squares (100 sq ft)
Net Wall Area
1,800
After opening deductions
With Waste
1,980
10% waste applied
Starter Strip
250 ft
Bottom edge trim
J-Channel
208 ft
Around windows/doors