Anybody undercoat ?
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4wd Low
Joined: Jan 2026
Posts: 12
Likes: 2
Anybody undercoat ?
Just curious, this 2005, the frame is solid. It has one rocker I'm getting repaired, but otherwise it's not bad. Has anybody sprayed anything on to convert rust and undercoat themselves?
Mountain Pass
Joined: Apr 2024
Posts: 225
Likes: 85
I regularly use Fluid Film, Woolwax, Surface Shield, NH Oil Undercoating, CorrosionX and Krown. All good products. My current truck gets the entire chassis and inner panels applied each summer (the heat helps the oils creep) after a good washing and drying. The only downside is the mess during application and after when you work on your truck.
Cargo Master
Joined: Dec 2021
Posts: 2,374
Likes: 992
From: Chambersburg, PA
I regularly use Fluid Film, Woolwax, Surface Shield, NH Oil Undercoating, CorrosionX and Krown. All good products. My current truck gets the entire chassis and inner panels applied each summer (the heat helps the oils creep) after a good washing and drying. The only downside is the mess during application and after when you work on your truck.
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