That's definitely a self-adhering product. While I'm not very familiar with the proper installation of this product - I usually see the torch-down version - I know enough about it to recognize that it's usually installed wrong. The end laps are supposed to be offset at least 3' and you're never supposed to bond the adhesive to the granules - at those locations, you're supposed to use mastic. The adhesive only goes onto the portion of the product that's meant to receive it.
source https://www.inspectorsjournal.com/topic/19002-modified-bitumen-applications/?do=findComment&comment=173619
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