Siding Calculator

Designer Shake Lap

Old Mill® Lap

Old Mill® & Adobe Panel

Shake Lap

Enter Your Wall Area (in feet)

Wall 1

Wall 2

Wall 3

Wall 4

Wall 5

Wall 6

Enter Your Gable Area (in feet)

Gable 1

Gable 2

Gable 3

Gable 4

Doors and Windows

Enter the total area, length x width, of all doors and windows

Total Amount of Material Needed

This calculator provides usage estimates only. Variations in measurements, waste, and wall shapes can alter the results of your calculations. Collins Products is not responsible for calculated quantities that are not exact for your job.

*If you've chosen lap siding, this estimate allows for a 1" overlap and assumes a 5% waste factor. If you've chosen panel siding, this estimate assumes a 10% waste factor for cutting and fitting.

2023-09-12 truwood