New image added to gallery: Blisters in Built-Up Roof

[gromicko (Nick Gromicko, CMI)]

https://www.nachi.org/gallery/built-up/blisters-in-built-up-roof

[lkage (Larry Kage, CMI)]

They seem like they’d be handy.

[sfrakes (Scott Frakes, CMI)]

Great detail example!