[quote author=cutting42 link=1091486553/0#3 date=1092171945]Thanks for the advice. I have got 5mm polycarbonate windows now (the stuff that the police use for riot shields), should hold the kids in place when I lock the door on them
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One thing to be careful of is that this could restrict the options if people needed to get out (or for that matter, in) in a hurry. You couldn't smash thru this stuff.
Andrew