If I knew about this stuff before I used a ton of expanding foam in my build I would've used this instead.
UltraTouch 16 in. x 48 in. Denim Insulation Multi-Purpose Roll-60301-16482 at The Home Depot
Its function is a space filler and would be perfect for your trunk lid. This would kill any potential rattles by wiring, etc. Best thing is, over using expanding foam, it's easily removable.
UltraTouch 16 in. x 48 in. Denim Insulation Multi-Purpose Roll-60301-16482 at The Home Depot
Its function is a space filler and would be perfect for your trunk lid. This would kill any potential rattles by wiring, etc. Best thing is, over using expanding foam, it's easily removable.