Insulating paint
Interesting stuff Not sure how efective it is tho. Any one here tried this yet? https://youtu.be/m8-93XeWFvQ Turn on english subtitles
Forum Discussion
It's just standard ceramic roof coatings. Any roofing product distribution supplier will carry one or more brands. Lowes use to carry one but low sales (can't compete with reflective roof coating in cost) relegated it to online ordering.
