Terms of Use & Professional Disclaimer
Last Updated: October 21, 2026
1. Acceptance of Terms
By accessing, browsing, using the interactive calculators, or downloading any Microsoft Excel (.xlsx) workbook from SheetAtlas (https://sheetatlas.com), you agree to be bound by these Terms of Use.
2. Permissible Use & License Grant
SheetAtlas grants you a non-exclusive, worldwide, royalty-free license to download, modify, customize, and use our spreadsheet templates for:
- Internal business operations, corporate accounting, and audit workpapers.
- Construction estimating, contractor bidding, and engineering load calculations for client projects.
- Educational, academic, and training purposes.
Prohibited Redistribution: You may not scrape, bulk-harvest, resell, or republish our unmodified .xlsx files on competing template directories, marketplaces (such as Etsy), or document-sharing sites (such as Scribd or CourseHero). Sharing direct links to SheetAtlas pages is welcomed and encouraged.
3. No Professional Engineering (PE), CPA, or Legal Advice Disclaimer
All spreadsheets, formulas, NEC electrical demand calculators, CSI construction estimators, and US GAAP / IFRS accounting workpapers on SheetAtlas are provided strictly for informational, educational, and operational productivity purposes.
- Engineering & Construction: Calculations (such as electrical panel loads, wire sizing, or structural/concrete takeoffs) must always be verified against current local building codes, Authority Having Jurisdiction (AHJ) amendments, and stamped by a licensed Professional Engineer (PE) or Master Electrician where required by law.
- Accounting & Tax: Financial schedules (such as ASC 842 lease models, MACRS depreciation, or 3-way trust reconciliations) do not constitute formal accounting, tax, or legal advice. Always consult a qualified Certified Public Accountant (CPA) or tax advisor.
4. Limitation of Liability ("As-Is" Warranty)
All workbooks and web calculators are provided "AS IS" without warranty of any kind, express or implied. Under no circumstances shall SheetAtlas, its authors, or contributors be liable for any direct, indirect, incidental, or consequential damages resulting from bidding errors, construction variances, audit adjustments, or financial decisions made using these templates.
5. Trademarks
Microsoft® and Excel® are registered trademarks of Microsoft Corporation. Google Sheets™ is a trademark of Google LLC. SheetAtlas is an independent publisher and is not affiliated with or endorsed by Microsoft Corporation or the National Fire Protection Association (NFPA/NEC).