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Double Glazing Door Locks Many homeowners choose double-glazed windows and doors for their energy efficiency, insulation, and sound reduction. They also serve as a deterrent for burglars. Check that your double-glazed windows have anti-jemmy hinges to increase their security. These specialised hardware parts make it very difficult to pry the window sashes open. Multi-point locking Multipoint door locks can be one of the most effective security devices that you can install at your home or office. They are virtually impossible to break or pick and are an ideal addition to any security system. They can also improve your energy efficiency by reducing drafts as well as improving the seal around the door frame. Multi-point locking systems comprise of a deadbolt as well as a live bolt (latch) coupled with hook bolts above and below the latch, and flush bolts that are locked into the head and sill of the door frame. They usually extend most if they do not extend all across the length of the door. In repair window locks , they are called “full-width” systems, because they are able to secure the entire opening. Multi-point locking is offered on most uPVC and some timber doors. This type of lock offers an increased level of security than standard locks and will often be listed as part of an approved by the police Secured by Design initiative for new homes. When a uPVC multi-point lock door is closed the handle on the outside opens the latch bolt. The inside handle is locked by turning the thumbturn lock on the inside, with the door handle raised or by using keys. It is recommended to use keys to lock your door once it is closed, since trying to push the deadbolt or latch bolt using a handle can damage the lock and the hinges. If your uPVC multi-point lock isn't functioning correctly it could be because it's not aligned properly with the door frame. You can test this by placing a spirit level on top of the door and checking for any gaps in the miter joints where the frame meets the door. If you notice an opening, it's worth getting your double glazing expert to have a look and resolve the issue. They can replace the lock or install a new one. They'll be able to determine whether the issue is caused by damage to the frame or the lock unit. In these cases they'll be able repair or replace your multipoint lock to get it functioning again. Espagnolette locks Espagnolette locks are one of the most commonly used window locking mechanisms for modern uPVC double-glazed windows. The flat strip shape that changes when you turn the handle is a great way to identify them. They work in tandem with secure multi-point locks placed around the frame to securely lock and unlock your windows. If you're seeking to improve your uPVC windows, handles made of espagnolette are a great option for either new builds or renovations. They are available in a variety of period and contemporary styles and are available in a variety of bar lengths, backset options, and the heights of the mushroom cams, with a selection of profile keepers to fit most applications. The espagnolette lock is a well-liked choice, but it's been criticized for delivering an inadequate level of security on French doors. A single locking point located in the middle of the door can be easily bypassed. In addition, it is quite easy for burglars to open your French doors by pushing the handle to the left or right. These doors are usually the main entry points into your home, and should be secured to limit the risk of unwanted intrusion. Although they are referred to as espagnolette locks, these locks are not a bolt but actually a one-piece mechanism that is able to be fitted externally on the outside of your French doors or internally on the frame of a casement window. The mechanism is operated by a handle, and consists of a rod with hooks at the head and at the sill which fit into sockets within the window frame. When the handle of the window is operated the rod is moved up and down. The hooks then secure into their receivers. These are an excellent solution for those looking to increase the security of French doors without compromising the aesthetics of the door. These types of handles are compatible with a variety of other designs and are able to be master keyed for added peace of mind. Similar to cockspur handles the espagnolette handle designs are available both cranked and inline models to match the orientation of your window. Inline versions rotate in the same direction as the original. Cranked versions come in right-handed and left-handed options. Laminated glass It is often used for windows because it is very hard to break. It is also more secure than regular glass since it is fused into a single piece of safety glass, rather than breaking into sharp shreds. This makes it perfect for homes as well as commercial buildings. Lamination is a method that combines two pieces of glass with a plastic interlayer between. The entire piece is heated and pressured to make it stronger enough to be used as an entrance or window. The resulting laminated glass is 5 times stronger and 100 times more rigid than glass that is tempered. It also withstands stronger impacts and is resistant to weathering. This kind of glazing is perfect for use in structures that require high-performance like increased safety (impact resistant glass), UV protection or noise reduction. Laminated glass is able to be combined with high-performance coatings that improve the thermal insulation as well as solar control. It is available in a variety of options to fit your needs and budget. Laminated glass is more secure to use than tempered glass as it can be cut even after the production. It is also less likely to break if cut from the side instead of the edge of the glass. This makes it a good choice for glass that doesn't open or close like cellar windows. It also helps reduce the noise that travels through high-rise structures. The Saflex PVB interlayer in the laminated glass helps to suffocate some of the sun's harmful UV rays, preventing discolouration of furnishings and fabrics. Although laminated glass is more expensive than tempered glass, it comes with many advantages that will reduce your costs over time. It's also more robust, resistant to abrasion and scratches and can be customized to your specifications. Additionally, it's less susceptible to heat damage, and is a great option for high-rises and coastal areas. Certain building codes require that exterior doors as well as certain interior windows are made of laminated glass. Friction hinges Friction hinges help hold doors, flaps and panels. They also can withstand other hinges' motion and prevent hard slamming and unintentional closing and opening. They are available in different shapes and sizes. They also be fitted with different torque levels, which are the forces that determine how long hinges will stay open or closed. Aluminum is an excellent material for friction hinges because of its high strength-to-weight ratio, durability, and resistance to corrosion. It is lightweight and easy to handle. It's also available in various finishes, and is easy to set up and fix. Brass is another material widely used for friction hinges. Brass is an alloy made of copper and zinc which is naturally resistant to corrosion. It is more durable and stronger durable than stainless steel, however it is more expensive. The hinges that use friction in uPVC doors with double glazing are able to be customized in accordance with the requirements of the particular application. These modifications could include the amount of damping, lubricant viscosity and the degree of tolerance between the components. They could also include the environment where the hinge will be utilized. These variables can affect the dynamic torque of the hinge, and it is important to keep track of this metric in critical applications. There are a variety of friction hinges. These include one-way and detent. One-way friction hinges are characterized by constant torque in one direction, while detent friction hinges do not have torque in the opposite direction. Other variations include discs pipe and curl friction. Each type of friction hinge is unique and comes with its own set of characteristics, making it more or lesser useful for specific applications. The hinges that are friction are commonly called 'free stop' hinges, because they permit a lid or door to remain at a fixed angle even after the force is removed. This protects against injuries by preventing accidental closing. This kind of hinge is perfect for harsh, medical or dangerous locations. The hinges are able to be designed to have different degrees of free play and are able to function at a variety of angles.