Fires 4 - LEXAN WINDOWS

Question 1

Lexan has impact resistance_____greater than safety glass and ______the weight?

Answer 1

250 TIMES GREATER
1/2 the weight

• will NOT shatter
• self extinguishing (1/3 the thermal conductivity
• used in high vandalism areas
• approved in NYC schools up to 75 feet in height

Question 2

T or F…Lexan can NOT be broken by use of conventional Forcible Entry Tools?

Answer 2

TRUE

Question 3

Best to cut LEXAN?

Answer 3

PORTABLE SAW with CARBIDE TIPPED BLADE

-Cuts quick and easy

Question 4

ASLO EFFECTIVE?

Answer 4

SAWZALL,with the COARSE TOOT BLADE (slower than saw)

Question 5

WHAT IS INEFFECTIVE on LEXAN?

Answer 5

• air hammer (air chisel)
• oxyacetylene torch
• pike axe
• chain saw is UNSAFE

*PORTABLE ELECTRIC SAW CAN be used, but wood cutting blade will gum up quickly ….CARBIDE TIP BLADE is more effective *(NOT SAME AS PORTABLE POWER SAW)

Question 6

If installation is such that is is difficult to use power saws or the sawzall….

Answer 6

might be eaSiEr to work on the window FRAMING OR MULLIONS , in this way ENTIRE SHEE can be removed, without trying to force or break the glazing

Question 7

If the window is at GROUND LEVEL OR LOWER …

Answer 7

it might be possible to use PORTABLE LADDERS TO PUSH THE LEXAN INWARD

Question 8

May be easier to work on window frame , entire LEXAN sheet can be removed (wear it would be difficult to use power saws and sawmills)

Answer 8

..Wire screens and wire glass windows must be removed before LEXAN can be attacked