Peel and Seal Flashing good for a Roof?

[Grant Anderson]

Hi All - I had a contractor add flashing to a rood based on an inspectors recommendations. The inspector pointed out that where the porch attached so the wall of the house needs flashing. The contractor used this flashing material https://m.lowes.com/pd/Peel-Seal-Instant-Waterproo... Is this flashing product good or is another material better?

Thanks for your help