This product is absolutely the best product of it's kind. I have used at least 12 or more cans in the last 25 years. Any "Fiberglass Evercoat" product is decidedly the very best that can be purchased. The only 'down side' is the fact it sets up in just minutes. Gotta' work fast! That can be a 'plus' if one's in a hurry though. This can be easily sanded without filling the sandpaper like 'bondo' does. I have used it in automotive and woodworking operations,