Privacy policy

This is a static reference site. There are no accounts, and nothing you type into the calculators or search boxes leaves your browser.

Hosting. Pages are served by Cloudflare, which processes standard request data (IP address, browser type) to deliver and protect the site.

Analytics. If enabled, we use privacy-friendly, cookie-free analytics that count page views without identifying you.

Advertising. If enabled, Google and its partners may use cookies to serve ads based on your visits to this and other sites. You can opt out of personalized advertising at Google Ads Settings.

Referral links. Some links to installer-quote services are referral links; if you request quotes through them we may be paid a fee. As an Amazon Associate we earn from qualifying purchases: some product links in our guides go to Amazon, and Amazon may use cookies to attribute purchases.

Contact: twoface692@gmail.com.