please dont question my knowledge on a topic that is widly known and has been prooven time and time again. tin foil sucks period. anyone who advises you to use it either A: hates you or B: has no idea what they are talking about... aluminum foil only reflects 70-75% of light, flat yellow paint reflcts more than that, also any crinkle in the foil (which foil crinkles alot) causes or may cause hot spots. foil also reflects and magnifies heat... what good can come of this????why, i use alum foil as a reflector, and it works perfectly.... no hot spots?
im sure tinfoil reflects 70-75% of light, not so sure on how much is reflected/magnifed back as heat but it does reflect and magnify 4sho. either way there are far better options to get the job done serriosly flat yellow paint works better than foil (not that id ever use that either!!EXACTLY!!!!!!!!!!!!!!
Actually i think it only reflects about 30% and absorbs 70% light, but then bounces it back as heat.