Security Since you are considering changing your windows anyway, you should also consider the advantages that PVC-u windows affords Most reputable companies windows will feature insurance approved, high compression shootbolt locking systems with night vent facilities and doors should be equipped with an insurance approved, reinforced multipoint deadlock locking systems. A Secure Window Locks 5 Ways. Look for windows fitted with Saracen Shoot Bolts and Saracen High Security Friction Hinges that lock at 5 different points for maximum security. Unlike traditional wooden windows, any attempts to force open the window with a jemmy anywhere round the frame will not succeed. In manufacturer's tests, the outer edge of the window profile itself begins to break away without the locks and hinges giving way. The integrity and security of the window remains intact. Police Crime Prevention Officers confirm that few burglars are willing to risk that sort of noise, time and effort. The Shoot Bolt Locking System. Shoot bolt locking systems ae now fitted as standard by most window companies. At the turn of a handle, shootbolts lock your window at three points in the frame. The centre lock, either a deadlock or high security roller, secures the window at the handle, while two hardened bolts lock the top and bottom corners. The centre lock and shoot bolts both locate into hardened zinc alloy keeps secured to the outer frame of the window. The bolts themselves are made from high strength brass alloy and internal rods are tempered to increase strength and resist corrosion. When combined with a locking handle, it's virtually impossible to force the window open. Locking Handles. More reputable companies fit key operated locking handles as standard on all windows. Locked handles prevent a burglar from breaking the window glass and reaching in to open the window. They also deny intruders an escape route and so provide a deterrent to burglars. Some companies provide a"push to open" button feature that can be used to open the window quickly in an emergency. The windows can usually be locked in a position that provides ventilation - though you should never leave a property empty with ground floor windows left in the vented position. High Security Friction Hinges. High Security Friction Hinges provide smooth, effortless opening. It is almost impossible to force by levering the mechanism open. They cmprise a pointed arm on the hinge itself, made of high grade stainless steel, that locks into an end cap which is fitted to the end of the hinge. The end cap is normally made of a very strong synthetic composite used in aerospace and automotive industries. In the closed position, the pointed arm locks into the end cap and acts like a shoot bolt, which greatly improves the weather seal and makes the burglar's task almost impossible. Laminated Glass. Laminated safely glass can be fitted in all windows for added security. Laminated glass is impossible to penetrate, as it is manufactured as two sheets of glass bonded together with a plastic film between them. This is an expensive option though and should only be considered in areas that vulnerable to attack. Internal Glazing There are still some companies that supply windows that are glazed from outside of the house. These are not as secure as internally glazed windows and the interior profile of the window is generally not as attractive. Another thing to consider is that if ever a double glazed unit fails in the future, it is far easier to replace from the inside than it is from the outside, particularly in upper-floor situations.

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