Pin locks are an easy solution.
Double hung window security bar.
Stop locks bar locks track locks locking pins and wedge stops all work for single hung or double hung windows.
These devices are designed to detect whenever your window is opened and for some security systems an alert will be chimed to let you know whenever this has happened.
If you already own a home security system then you probably already have door window sensors.
A folding lock for a double hung window can be unlocked and folded to one side so the sash can be raised.
Used for single hung windows sliding windows and patio doors.
All units include tamper proof installation screws and window l stops for enhanced safety.
These are typically used for double hung windows.
3 bar units are available in black and white non toxic rust resistant powder coat finish.
When the window makes contact with the lock it block it it s stopped.
If you want to lock the window in a partially opened position drill a second hole.
Locks for double hung sashes.
The problem is that the crescent latch is easily jimmied open by inserting a knife or other flat tool.
It just keeps the window closed.
The latches on most double hung window locks are no match for a burglar with a pry bar.
Single or double hung sash a sash window has one or two sashes that can slide up and down on tracks in a frame.
A good window security option is that you can install strong and visible window locks on your basement first floor windows or balconiesand add simple deadbolts or sash locks for extra security layer.
Window guards are adjustable in width to fit most window openings and are constructed of solid and tubular steel with horizontal bars spaced 3 1 2 in.
Simply remove the old lock fill the screw holes drill new fastener holes and install the unit.
The latch is generally not designed to be extremely secure.
Defender security u 9928 keyed sash lock child proof security lock only unlocks with key for aluminum vinyl or wood double hung windows 2 hole centers heavy duty zinc diecast construction white.
Withstands repeated impacts with its unique double headed push pin that provides extra resistance from forced entry.
A double hung window has two panes of glass one above the other and are often secured with a crescent latch.