Pros and cons of roofing tar.
Using roofing tar for undercoating.
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.
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.
Use of a sealant to stop asphalt shingle leaks.
These products are some sort of oil.
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.
I would not apply anything i may have to remove at some point.
Asphalt shingle leaks can be caused by a variety of things including folded shingles nail holes and flashing issues around corners chimneys or vents.
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.
Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof.
I use rustchek or similar products twice yearly on my daily drivers.
Rubberized undercoating is safe to use on quarter panels and wheel wells and dries with a soft rubbery finish.