Recent content by gmason85

Thanks. Interesting stuff. I assumed that there was a grain of truth behind the claims. The video was fantastic; but mostly backed up what I suspected. His homemade paint needed 20-30 thin coats to be effective and took the entire day to apply to a small square. Not very practical for applying...

Hi all, I’ve run into a number of paints that are sold as “thermal” paints, or insulation paints. I know it’s mostly bs, but want a clarification on how emissivity and infrared absorption relate. The salesperson says the paint surface has an emissivity of 0.91, and reflects 99.5% of infrared...

Hi all, Mechanical engineer by education; soon to have a MPhil in Architecture. Building Scientist/ Energy Efficiency consultant by trade. I have a decent physics background, but not an expert around the subject of radiative heat transfer. My posts will likely involve confirming bs from...