Disclaimer

Calculator Estimates

All calculators on CoverCalc provide estimates for planning purposes only. Actual material requirements may vary based on:

Always buy slightly more material than calculated to account for wastage, mistakes, and future repairs.

Not Professional Advice

CoverCalc is an information tool, not professional consultation. We do not provide:

When to Consult Professionals

For the following, always consult a qualified professional:

Accuracy of Information

We make every effort to ensure coverage rates, formulas, and guidance are accurate and up-to-date (last reviewed June 2026). However:

Always check the specific product label or manufacturer specifications before purchasing.

Use of AI-Generated Content

Some content on CoverCalc was created with assistance from AI language models. All AI-generated content has been reviewed, fact-checked, and edited by humans to ensure accuracy. Coverage rates and formulas are verified against manufacturer specifications and industry standards.

External Links

Our guides may link to external websites (manufacturer specs, UK government resources, etc.). We are not responsible for the content, accuracy, or availability of external sites.

Limitation of Liability

CoverCalc, its owners, and contributors are not liable for:

Use of this site and its calculators is entirely at your own risk. By using CoverCalc, you agree to this disclaimer.

Corrections

If you spot an error in our calculations or guidance, please let us know at [email protected]. We review all corrections and update content as needed.

No Warranty

This service is provided "as is" without warranty of any kind, express or implied. We do not guarantee that: