Last updated: August 29, 2026
Calculator inputs are processed in your browser. Saved estimates use local storage only when you select “Save on device.” Optional analytics and manual ad requests stay off until you make a privacy choice.
1. Cookies and similar storage
A cookie is a small value a website or service can ask a browser to store. Browsers may send matching cookies with later requests. Local storage also saves data in a browser, but it is not automatically sent with each request. Pixels, tags and scripts can support measurement or advertising without looking like a visible cookie.
2. Current technology table
| Technology | Current use | Purpose |
|---|---|---|
| Consent preference | Stored after Accept, Reject or Save choices | Remembers separate Analytics and Advertising choices in this browser. |
| Saved-estimate local storage | Used only after Save on device | Stores up to ten calculator estimates in that browser. |
| Essential hosting/security data | May be processed by infrastructure | Delivers pages, protects the service and records errors. |
| Google Analytics | Denied by default; tag requested after Analytics consent | Measures page and interface use without sending calculator values, rates, contact content or query strings through the site's custom events. |
| Google AdSense | Storage denied by default; manual units initialize after Advertising consent | Requests restrained responsive advertisements after calculators and within substantive guides. |
| Embedded video, maps or social widgets | Not used in the published pages | No embedded third-party player is required for the guides. |
3. Saved estimates
When you select Save on device, the browser stores the estimate locally so it can be displayed again. It does not create an online account. Use the Delete control beside a saved estimate or clear site data in browser settings to remove it. Clearing browser storage, using private mode or changing devices can also remove or separate saved estimates.
4. Analytics
Google Analytics is not requested until Analytics consent is granted. Exact area, rate and estimate values, contact fields, message text and shared-estimate query strings are excluded from the site's custom measurement events.
5. Advertising
The official AdSense loader appears only on intended monetized pages. Manual ad units are not initialized until Advertising consent is granted. Google and advertising partners may then use cookies or similar identifiers for ad delivery, frequency control, fraud prevention, measurement and personalization subject to the recorded choice and law.
6. Browser and consent controls
Use “Privacy choices” in every page footer to accept, reject, manage or withdraw optional Analytics and Advertising consent. You can also remove local storage and cookies through browser privacy or site-data settings. Blocking storage may prevent saved estimates or preferences from persisting. A Google-certified CMP may additionally be presented where configured for applicable regions.
7. Do Not Track and similar signals
Browser privacy signals are not implemented uniformly across services. Google and other service providers interpret available consent and privacy signals according to their own documented behavior.
8. Changes to this policy
This page will be updated before materially different cookie, analytics or advertising behavior is introduced. The technology table is intended to describe the deployed site rather than list every tool that might be used someday.
9. Contact
Questions can be sent to contact@greystructurecalc.com. Related details appear in the Privacy Policy.