[gr8fl4porsche]

Good advice above.

Elastomeric coatings form a barrier over the substrate in an attempt to keep water out. They also are designed to bridge over hair line cracks - also in an attempt to keep water out.

In reality they tend to keep water in once it eventually finds its way beneath the coating - and it will find a way. At some point down the road, a crack, failed caulk joint, etc. will let water in and it will have no where to go. They are not breathable.

Elastomerics also tend to degrade (chalk and fade) quicker than standard 100% Acrylic coatings.

If you decide to paint, look into Rust-O-Leum's Water Tight Flexible Primer and Finish. It is an Acrylic with elastomeric type properties while not truly being an elastomeric.