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Double Glazing Door Locks Many homeowners choose double glazed doors and windows for their insulation, energy efficiency and sound reduction. They are also a powerful deterrent for burglars. To increase the security of your double glazed windows, ensure that they have been equipped with anti-jemmy hinges. These hardware parts are specially designed to make it extremely difficult to open the sashes of your windows open. Multi-point locking Multipoint door locks are among the most reliable security devices you can install at your workplace or in your home. They are virtually impossible to pick or break, and they can be an excellent addition to any security system. They can also increase the efficiency of your energy by reducing drafts as well as improving the seal around the door frame. Multi-point locking systems are comprised of a deadbolt as well as a live bolt (latch) coupled with hook bolts below and above the latch, as well as flush bolts that secure the sill and head of the door frame. They usually extend most if not all the way across the length of the door. These systems are often referred to as “full-width”, in commercial contexts. They secure the entire opening of the door. Multi-point locking is a feature on most uPVC and certain timber doors. This kind of lock provides a much higher security level than regular locks and is often be specified as part of a police-approved Secured by Design initiative for new construction homes. When a multi-point uPVC lock door is closed, the outside handle activates the latch bolt. The inside handle is locked by turning the lock's thumbturn inside of the door with the handle raised or with keys. Always use a key to lock your door. Using a handle to lock your door could cause damage to the latch or deadbolt. If your uPVC multi-point lock isn't working correctly it could be due to it's not aligned properly with the door frame. You can test this by placing a spirit-level on top of the doors, and then looking for gaps at the miter joints. It's worth consulting your double glazing specialist if there is a gap and to fix it. They'll be able to replace the lock on your behalf or install a new one. They will be able tell whether it's due to damage on the frame or the lock unit. In these instances, the technician can repair or replace the multipoint lock in order to get it working again. Espagnolette locks Espagnolette locks have become a standard locking mechanism for double-glazed uPVC windows. They are easily identified by their flat strip shape which moves as you turn the handle. They work with multi-point locks around the frame of your window to lock and unlock it safely. If you are looking to improve your uPVC window handles, espagnolette handles are utilized for new constructions or renovations. They come in a wide selection of styles, from period and contemporary. They also come with many bar sizes backset options, the height of the mushroom cam and a choice of profiles to fit every application. Although a very popular choice the espagnolette locks have been criticized for delivering low levels of security to French doors. A single locking point located in the middle of the door can be easily accessed. It is also relatively easy for thieves to open your French doors by forcing the handle to either the left or right. These types of doors are usually used as a principal entrance to your home and should be kept secure to minimize the risk of unauthorized entry. The espagnolette lock isn't a bolt, but an uni-piece mechanism that can be fitted externally on the edge of French doors or inside an existing frame. The mechanism is operated with a handle. It consists of a rod with hooks at its sill and head. These hooks fit into sockets in the window frame. When the handle is operated the rod moves between up and down, and the hooks secure into their receivers to secure and unlock your windows. They are a great option for those looking to increase the security of their French doors without compromising the aesthetics of the door or the overall appearance of the room. These types of handles can be used with a variety of other styles and can be master-keyed for extra peace of mind. Like double glazing window lock replacement , espagnolette handle are available in both crank and inline models depending on the orientation of your windows. Inline versions operate the same way as the original handle, whereas cranked versions are available in both left and right handed versions. Laminated glass It is often used as a window because it is very hard to break. It is also more secure than standard safety glass because it is fused together into one piece rather than breaking into sharp shards. This makes it perfect for commercial and residential properties. Lamination is a process that combines two pieces of flat glass with a plastic interlayer between. The entire piece is heated and pressed to make it strong enough to use as an entrance or window. The laminated glass that is created is five times stronger and a hundred times more stiff than the glass that has been tempered. It is also able to withstand more intense impacts, and withstand 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 can be paired with high-performance coatings to enhance both solar and thermal control. It is available in a range of options to suit your project and budget. Laminated glass is more secure to use than tempered glass since it can be cut after the fact. It is also less likely to break if cut from the side rather than the edge of the glass. This makes it a great choice for glass that doesn't open and close like cellar windows. It is also used in high-rise structures in urban areas due to its ability to reduce the volume of noise that is transmitted from the street to the interior. The Saflex PVB interlayer of the laminated glass also helps to absorb some of the sun's damaging UV rays, which prevents discoloration of furniture and fabrics. While laminated glazing is generally more expensive than tempered glass, it offers numerous advantages that could save you money in the long run. It's also more durable and resistant to abrasions and scratches. It can be made to meet your specific requirements. It's also less susceptible to heat damage, which makes it a good option for coastal areas and high-rise structures. In fact, some building codes require that all exterior doors as well as some interior windows are made of laminated glass. Friction hinges Friction hinges are used to support and hold doors as well as flaps and panels. They can also impede the movement of other hinges and stop hard slamming and unintentional closing and opening. They come in a variety of sizes and shapes, and are able to have a variety of torques. These forces determine how long hinges stay open or shut. Aluminum is an excellent material for friction hinges due to its strength, durability, resistance to corrosion, and high strength-toweight ratio. It is lightweight and easy to handle. It is also able to be made into a wide variety of finishes, and is easy to install and repair. Another popular material for friction hinges is brass. Brass is an alloy of copper and zinc which has a natural resistance to corrosion. It is also more durable and stronger durable than steel, however it is more expensive. The hinges with friction used in uPVC double glazing door systems can be customized to meet the specific needs of the particular application. These adjustments can include the amount of damping, the viscosity of lubricant and the amount of space tolerance between components, as well as the environmental conditions where the hinge will be used. These variables can affect the dynamic torque of the hinge and it is crucial to monitor this metric when it comes to critical applications. There are various kinds of friction hinges such as detent and one-way. 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 has its own set characteristics, making it more or less useful for certain applications. Friction hinges are also referred as hinges that stop free because they allow the lid or door to remain at an angle after the force has been removed. This helps to prevent injuries due to accidental closures. This kind hinge is ideal for harsh, medical or dangerous areas. The hinges can be set to have different degrees of free play and can be made to function at a variety of angles.