I wouldn't recommend telling them to pound sand without knowing the details of the policy. As an example, when the 'peaceful protesters' were running around and causing problems, I saw and heard a lot of people saying "It's OK, insurance covers the damage". No, most business and homeowner's insurance doesn't cover it but before last year, auto comprehensive coverage did. In the words of Moe Sizlak, "Not no more, it don't".
Something that can explode, burst into flames or cause structural failure is always a problem.