Good Undercoating

[Warpig]

I noticed that my undercoating is cracking in some places. In the spring/summer after I scrape all the cracked undercoating off, what is a good product to use, under the cab ect.....

[Jim]

Tim the rubberized stuff in the spray can is cheap but lasts for a while as long as the surface underneath is prepped nicely.

[TORQUE THIS]

Yup, the rubber spray stuff works great!

[GRI]

Ive used the rubberized stuff on the frame and it lasts quit a long time.

an like the previous guys said the surface should be pretty clean

but the premium stuff is POR15 or rust bullet

[DMcpherson]

if you wan tto get inside all of the doors and body panels look into waxoyl

[DBogo]

POR15 then rubberized over it works wonders

[Warpig]

Under my cab the factory undercoating is cracking and peeling off. I noticed some surface rust forming. This spring/summer I want to start repainting underneath along with undercoating.

[DMcpherson]

just please dont anyone undercoat over rust :duh: