As noted, there are fire safety issues here which have to be carefully
Most manufactured window locks aren't worth the money.
The traditional suggestion is to drill a hole that allows you to insert
an eye-bolt through the inner sash and part-way into the outer one, at a
slight angle so it won't fall out if shaken. That gives reasonable
strength at low cost. Obviously, when drilling the holes make sure
you're well clear of the edge of the glass. This won't keep someone
inside the room from opening it... but that's an advantage in a fire,
and that isn't what you're trying to guard against.
Another traditional solution: Trim your shrubbery and install lights to
make folks visible if they try to climb in the windows. That by itself
can be enough to significantly discourage this form of attack.
If you're in a really high crime situation, there are gratings which can
be installed that have a quick-release mechanism in case of fire. But
they tend to be ugly.
On Sat, 20 Dec 2003 10:33:15 -0500, someone wrote:
probably worth that. They are a little stop that swings out of the
way to allow the window to be operated. Neat installation with no
loose parts like the home-made way. I have them set so the window can
be 4 or 5 inches up for ventilation.
Could someone very strong ram the sash up & bust 'em? Maybe, but then
remember, its a (glass) WINDOW, if somebody weak wanted to, they could
just break the glass anyway.
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