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by KaiserPro 2027 days ago
> If the EPS (expanded polystyrene) is covered by fiberglass insulation and/or drywall, it will last sufficiently long for you to escape from a fire.

No. EPS offgasses badly when heated. It also assumes that your coverage is 100% in drywall.

If you have fibreglass, then you are sunk. Rockwool/mineralwool then you are much better.