However, to meet the most specialized safety needs, TRYBA has developed the TRYBASAFE High-Security range. The maximum security level (TRYBASAFE R40) includes, in addition to the strengths described above :
-an anti-unhinging system (on each casement),
-security latches with mushroom roller all round the edge (systematic lever rebate on the semi-fixed casement),
-a drill-proof casement bolt box,
-a bullet-proof external glazing unit in place of the standard double glazing unit,
-a key-lockable handle.
To test them, these windows were subjected to the unsuccessful attacks of our testers/burglars for 16 minutes, before the latter gave up.
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