Burglar bars are often screwed into masonry or cement or the screws have rusted so firmly that care must be taken to prevent damaging the windowframe or allowing water to seep into the holes where the bars are installed.
Remove window guard screws.
Use window stops in addition to window guards on double hung.
Short video on how to use simple hammer chisel and locking pliers to remove 1 way screws on a security or wrought iron door or window.
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.
Although there are special screwdrivers available to remove one way screws they are not easily found in home improvement centers.
These screws are designed with heads that prevent regular screwdrivers from removing them.
But with determination and a few tools you can do it.
Specifically designed to drive large one way screws.
One way screws often called security screws are the screws most often used in safes security gates and hangings in public areas while they re easy to install they re much more difficult to remove.
All units include tamper proof installation screws and window l stops for enhanced safety.
The unique home designs one way drill bit is specifically designed to drive large one way screws such as those commonly used on security door and window guard installations.
Most window guards attach to the window using one way security screws.
It takes a bit of work and can be frustrating until you get the screw started but it gets easier.
These screws cannot be removed with an ordinary slotted head or phillips head screwdriver.
Use the removal tool if the pliers can t loosen the one way screw.
3 bar units are available in black and white non toxic rust resistant powder coat finish.
Works with one way screws up to 3 4.
Try grabbing the whole screw head with a pair of vise grips i managed to take 6 window guards off 4 screws per last summer using this method.
One way screws have smooth slots that make it difficult to grip screwdrivers onto.
Pre drill holes for best results.
If neither of these options works you ll need to drill through the screw head in order to extract the shaft.
This way you can also screw them back in when summer is over.
Window guard installation make sure that window frames are sturdy and well maintained.
You can remove one way screws by twisting the head counterclockwise with a pair of pliers or by using a specialized removal tool.
Four different methods that will allow you to.