The first time I'd ever heard of it was in the CTC flyer. I don't know of anyone who has it or any feedback regarding it. Sorry I didn't help in you're question, but I'm keeping on eye on this post just out of curiousity.

As a Canadian Tire employee,

Don't even bother with it. I'd trust the yearly oil treatments a heck of a lot more.

As a Canadian Tire service technician, don't bother with it! Our undercoating is far superior than that stuff. Cars will last a very long time if the undercoating is done right. Rockers should be coated inside. The doors should be drilled with a couple of holes, and sprayed inside, to allow the film to coat the door bottoms, as well as doing under the bottoms.
Wheel wells, the lip where the fender meets the inner wheel well, always prone to rust there, make sure its coated.

In short, the only areas that should NOT be coated, is the exterior paint (unless you want it) and the tires, duhh.

Want it to last longer? Coat it twice a year. The car is garunteed to last a very long time. As well as have excellent resale value.

hahaha, you're one of the fellows I deal with as the back parts window guy

But when I'm working the front counter (customers), if somebody comes up to me and asks about it, I tell them don't buy it.

If somebody walks up to me, asks me to get it behind the cabinet glass, and walks out, well, that'* your own stupidity

to our (loyal) ctc employees...thanks for being honest guys. i had seen it in the flyer and was also wondering about it. back to the oilspray!

as a side note i do agree with the twice a year oilspray idea. my aunt had this one done that way every year and 17 years of canadian winters it still has original paint( except for where i got used for target practice this spring by an 87 year old!) and no bondo!

IMHO, anything that isn't coated with oil, or paint, will rust, and spread. You see those cars that look like the rust just started in the middle of no-wheres, (like a rust circle on a door panel.) and its usually the fault of either some corrosion behind the panel, or a defect in the paint (scratch, dent, anything). Take good care of the paint, (wash, wax, polish) keep the car coated, behind the door panels, everywheres, and it will last a while.

I have seen many many cars and trucks, that were undercoated right from the factory, and religiously, and they hold up quite good, with a brand new car stiffness, no rot, nothing. And these are real old cars! Quite the stuff it is.

You'd think people would use the stuff more and more, so they could never buy another new car again, but really, most people prefer to buy a new car when the old one reaches its limits mechanically, and starts costing more than what its worth. Parts are hard to get, body panels (for the person that collides with you in a fender bender) so thats probably why most people don't keep a car very long.

I am going to get my LeSabre undercoated this winter. (well, i do it myself.) First, its gotta be painted, the rockers gotta be painted, and I want some kind of sound deadener in them, before I undercoat. I trust the car will survive another canadian harsh winter!