arse_sidewards
Contrary to everything
- Joined
- May 19, 2020
- Member Number
- 71
- Messages
- 7,703
It'll smolder real good but creating all sorts of nastiness you shouldn't breath but you gotta really do something stupid like hit it with a torch or molten metal in order to get it to make a self sustaining fire. The blue and pink rigid board is way more flammable.The foam is typically flammable. Code generally requires it to be covered. Practically, I'd want it covered if I was grinding or welding.