What kind of flat roof covering is this?

[texist]

I thought it's composition roll, but it's on a residential over living area and the lines look to clean to be overlap.

I don't think it's mod bit.

Is it rubber?

Thanks in advance

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[kurt]

There's no such thing as rubber.

It looks like granulated mod bit with dogmeat details.

[texist]

ThaNks!

[Jim Baird]

...looks a lot like half-lap, but I don't think you can find that anymore.

[kurt]

Sorta like selvedge, but it looks like there's some squeeze along those laps. I haven't seen any selvedge in several years.

[qualityroofingmel]

No, it isn't a rubber.

[Jim Katen]

I thought it's composition roll, but it's on a residential over living area and the lines look to clean to be overlap.

I don't think it's mod bit.

Is it rubber?

What makes you think it's not mod bit? It looks just like it in the picture.