It's been a long time since we talked about security doors, so we thought it was about time for a refresher. Let's start by advising ourselves what they are and why we need them.
What is a security door, and why do we require them?
In other words, and as the name suggests, a security door provides improved protection and protecting from different unwanted situations and circumstances; as a repercussion they are most likely to be heavy duty and of very solid (frequently however not always metal) building and construction, and great care will have been handled their design. There are http://query.nytimes.com/search/sitesearch/?action=click&contentCollection®ion=TopBar&WT.nav=searchWidget&module=SearchSubmit&pgtype=Homepage#/ΠΟΡΤΕΣ ΑΣΦΑΛΕΙΑΣ a number of reasons that we may need them, chief among which are:
avoiding undesirable access (conscious as constantly of emergency situation evacuations).
preventing or slowing down the passage of fire and/or smoke.
security-- a ΘΩΡΑΚΙΣΜΕΝΕΣ ΠΟΡΤΕΣ ΑΘΗΝΑ style that eliminates the possibility of fingers getting caught in the door.
Ramifications of not setting up security doors ...
Well,