Quote Originally Posted by jackforest
Look for some mylar online... Foil Duct tape isn't anywhere near reflective enough. It's better than nothing but I'm pretty sure its around the same as aluminum foil at reflecting 33% of light. Mylar is 99%. It's pretty cheap stuff too. Perfect for the rubbermaid. Emergency Blanket would be to the same effect.
I'm going to head to target today and see if they don't have some emergency blankets. I had no idea that there was even that much of a difference between mylar and aluminum foil. Awesome to know. Thanks! If I can't find it at Target, I guess I'll bite the bullet and order some online.