Hi, All:
I've read the Waxoyl information on the RN Waxoyl site and searched the Series forum, and I'm pretty sure I know the answer. But, better safe than sorry . . .
If I have a frame that doesn't appear to have any internal corrosion (because, well, it hasn't rusted through to the outside of the frame), do I simply shoot Professional 120-4 into the frame and leave it at that, or is there some sort of prep required of the inside of the frame prior to injecting the 120-4?
Many thanks!
I've read the Waxoyl information on the RN Waxoyl site and searched the Series forum, and I'm pretty sure I know the answer. But, better safe than sorry . . .
If I have a frame that doesn't appear to have any internal corrosion (because, well, it hasn't rusted through to the outside of the frame), do I simply shoot Professional 120-4 into the frame and leave it at that, or is there some sort of prep required of the inside of the frame prior to injecting the 120-4?
Many thanks!


I do not recommend using the aerosol for cavity application at all. The aerosols do a nice job of surface touch ups, for protecting surface areas during assembly and they are convenient... but they are no substitute for the proper aplication hardware. When you spray the aerosol cans it comes out like cheese wiz, it makes a foam and the aerosol propellent bubbles out and it leaves a thick gel kind of like shaving cream. The spray is uni-directional. It does not fog cavities and the cheeze-wiz texture does not creep or penetrate into the hard to reach spots.

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