# Bug: incinderary grenade fire goes through concrete

**URL:** <https://discourse.cataclysmdda.org/t/bug-incinderary-grenade-fire-goes-through-concrete/28921>\
**Category:** The Garage\
**Created:** [July 18, 2023, 4:30am UTC](https://discourse.cataclysmdda.org/t/bug-incinderary-grenade-fire-goes-through-concrete/28921 "2023-07-18T04:30:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Bio](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/bio/32/6690_2.png) [@Bio](https://discourse.cataclysmdda.org/u/Bio)\
**Post date:** [July 18, 2023, 4:30am UTC](https://discourse.cataclysmdda.org/t/bug-incinderary-grenade-fire-goes-through-concrete/28921/1 "2023-07-18T04:30:31Z")

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I’m playing the military base challenge and found some incendiary grenades which i’m using to burn mobs and torch corpses. However it seems that unlike grenades the splash damage from throwing a grenade goes throw walls and set the warehouse on fire. I could understand thermite eating through normal walls, but this is _military concrete_, not some flimsy wooden wall.