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smpsmp45
05-02-2008, 02:36 PM
I have seen few Impact doors wherein the MHE can directly go through the door without damaging the door.

I had also seen S shaped Plastic fittings on doors which act like a spring.

Anyone knows what it is? What material it that made of?

I can post the Photo if I can get that

nike123
05-02-2008, 02:53 PM
Check this:
http://www.albanydoors.com/admin/files/20051220082354.pdf