Spray Foam Rust Repair Car

Touch n seal fk 200 kits two component spray foam kit gun hose included 3 1 out of 5 stars 2.

Spray foam rust repair car.

Filling in vehicle rust holes with spray foam. Easy to cut and shape and fill afterwards and solid enough. It s not ideal but seems like the best option. Back to home why you shouldn t use expanding foam for diy auto body repair posted on 25 january 2018.

My approach s been to remove as much as possible with a wire brush drench it in rust converter coat it in paint or primer and fill the holes with 3x foam. Plan to spend about 100 on supplies like sandpaper primer masking tape and poly sheeting a tack rag polishing compound and touch up paint and clear coat. 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. My car s got a lot of rust holes.

The expandable foam seems to have bonded well but i ve applied metal foil tape over the openning to further resist driving moisture in. Boat repair foam rigid closed cell structural foam 2 gal kit 8 foam. Buy paint and supplies. Advanced and durable foams are used extensively in car manufacturing to control sound and vibration in a vehicle in addition to stiffening body panels and allowing bumpers to be much lighter and safer than they were in the past.

Big ones too big to even get good bondo over. I ll let you know if this strategy fails miserably. Filling in vehicle rust holes with spray foam. Here are a couple pics of the fender with cut away section.