1. Geometry
Areas, volumes and lengths come from entered dimensions.
Methodology
Transparent formulas, editable inputs and visible limits.
2. Waste
The percentage accounts for cuts, patterns, damage and full packages.
3. Yield
The purchased product data always prevails.
4. Caution
The rating does not replace an inspection or local rule.
Current data: 974 materials, 474 projects, 197 dated prices. 2026-08-02.