Add walls and gables, take out windows and doors, and get an order in squares.
How it works
Perimeter × wall height plus gable triangles, less openings. Add waste and divide by 100.
Before you order
- Lap direction should face away from the prevailing view when you can.
- Order trim and J-channel at the same time as the siding.
- Check the fastening spacing in your siding maker’s guide.
Common questions
What is a square of siding?
100 square feet of coverage.
Should I subtract all the windows?
Subtract large ones, but leave small ones in as a built-in cushion.