To fix it 100 the rust needs to be cut out and the metal replaced.
Spray foam rust repair.
Back to home why you shouldn t use expanding foam for diy auto body repair posted on 25 january 2018.
Spray foam is a type of insulation that expands after you spray.
The rust accelerated at an amazing rate.
Filling in vehicle rust holes with spray foam.
Filling in vehicle rust holes with spray foam.
Or you can do what you are doing and keep the vehicle going for quite a while.
In this video i am showing you an easier way to repair fix big gaps or big rust holes on your cars trucks body or frame you will save a lot of time doi.
Was not planning on keeping the van for very long so i went at it with the spray foam.
Repair rocker panels with expanding foam great stuff and rubber i use expanding foam and rubber spray on rocker panel guard to fix up some rust hol.
The foam expands and seals deterring moisture which can create mold and pests from eating through your walls.