Pros and cons of roofing tar.
Using roofing tar for undercoating.
I use rustchek or similar products twice yearly on my daily drivers.
Rubber coat 57 roof tar.
It cushions surfaces against moisture rust dings and dents.
The coating itself is a tar like substance that sticks to the undercarriage components and acts as a barrier to resist salt moisture oxygen and other items that lead to corrosion.
Rubberized undercoating is safe to use on quarter panels and wheel wells and dries with a soft rubbery finish.
These products are some sort of oil.
Undercoating spray can be purchased as a diy product but it s tricky to apply so it s best to use this method at the dealership on a new vehicle.
Also tar can dry and separate from metal and trap moisture causing the rot common on vehicles over 10 years old that had been treated with ziebart or other tar like products.
I would not apply anything i may have to remove at some point.
Roofing tar is a good choice for a flat roof as this kind of material is highly resistant to the ultraviolet rays from the sun.
Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof.