Under car coating

[paint2361]

What's better for the underside of my camaro. A spray on bed liner or one of these other thermal coatings like lizard skin or second skin?

[rusty428cj]

I like SPI bedliner.

[paint2361]

Anyone else have a say?

[67rstbkt]

I used Raptor bed liner on the underside of my car. You can usually pick up a full kit including a cheapie sprayer for around $100 on e-bay.
My prep consisted of cleaning/scraping all the existing gunk, laying down a coat of epoxy primer, then the Raptor.

[paint2361]

My deal is this, I'm already buying a thermal spray on coating for the interior. Should I just buy an extra gal and spray the underside too? Or am I better off buying a bed liner.

[BigBlockOlds]

I used the spray on sound deadener on mine with a top coat of rubberized undercoating.







On the inside I used the Second Skin thermal barrier (firewall) and their sound deadener (Spectrum).

On the bottom though I used the sound deadening coating from Cascade Audio. It's about $10 more than the Spectrum from Second Skin but I have a local supplier so I don't have to pay close to $20 to have it shipped to me. Also what I like about the Cascade product is that it goes on purple but it dries black. Makes it so much easier to get proper coverage of multiple coatings.

[41565 chevelle]

U-Pol Raptor for me worked awesome!

[paint2361]

Soo... It looks like I should buy some bed liner for the bottom of my car.