TB 031 - Polycarbonate Windows

Question 1

________ is the brand name for a relatively new glazing material that is being installed where windows are subject to attack by vandals, rioters, or burglars.

Answer 1

LEXAN

Question 2

Lexan is used in temperatures ranging from ______ to _____, and will soften at ______.

Answer 2

-60° F to 280°F 350°F

Question 3

Lexan window material has a thickness from ____ inch to ____ inch.

Answer 3

1/8 1/4

Question 4

On special installations protecting cashiers, bank tellers and toll collectors the thickness of sheets used may be up to ___ inch.

Answer 4

1 1/4

Question 5

Lexan windows can be cut out easily with the rotary saw by using the _______-_______ wood cutting blade.

Answer 5

Carbide-tipped

Question 6

__________ cuts should be made first.

Answer 6

Horizontal

Question 7

During the cutting, wear ________ because chips and shards are produced that are thrown out with considerable force.

Answer 7

Goggles

Question 8

_______ _______ are not effective and they shall not be used on this material.

Answer 8

Chain saws

Question 9

_________ or ________ tools, are not effective, except where the entire panel can be “punched through” the frame.

Answer 9

Striking impact