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Double Glazing Door Locks Many homeowners choose double-glazed windows and doors for their insulation, energy efficiency and sound reduction. They are also an effective deterrent for burglars. To ensure the security of your double glazed windows, ensure that they are fitted with anti-jemmy hinges. These special hardware components make it extremely difficult to open window sashes. Multi-point locking Multipoint door locks are one of the most secure security tools you can install in your home or workplace. They are virtually impossible for anyone to pick or break, and are a great option to add to any security system. They can also increase the efficiency of your energy use by cutting down on drafts in the doorframe and improving the seal. Multi-point locking systems comprise of a deadbolt and a live bolt (latch) paired with hook bolts below and above the latch, plus flush bolts that are locked into the sill and head of the door frame. They are usually extended across the entire width of the door, or even more. These systems are known as “full-width” in commercial contexts. They are used to secure the entire opening of the door. The majority of uPVC doors come with multi-point locking, however certain timber doors are offered with this level of security. This kind of lock offers a higher level of security when compared to standard locks. It is often specified as part of the Secured by Design initiative, which has been endorsed by the police. When a multi-point lock made of uPVC door is closed the handle on the outside opens the latch bolt. The inside handle can be locked by turning the thumbturn on the inside while the door handle is raised, or using a lock key. Always use a key to lock your door. Using an outside handle to lock your door could cause damage to the latch or deadbolt. If your uPVC multi-point lock isn't functioning correctly, it could be because it's misaligned with the door frame. You can check by placing a spirit-level over the top of the doors, and then looking for gaps in the miter joints. If you find gaps, it's worth getting your double glazing specialist to have a look and fix the problem. They can fix the lock or install a replacement. They will be able tell whether it's due to damage to the frame or the lock unit. In such cases they'll be able repair or replace the multipoint lock to get it functioning again. Espagnolette locks Espagnolette locks have become a common locking mechanism for double-glazed uPVC windows. They are easily identified by their flat strip design which moves as you turn the handle. They work with multi-point locks that are placed around the frame of your window to lock and unlock it safely. If you are seeking to improve your uPVC windows, the espagnolette handles are a good option for new builds or renovations. They are available in a wide selection of styles, from modern and traditional. They also have a wide variety of bar sizes backset options, the height of the mushroom cam and a variety of profiles that can be used for any need. The lock with a slat is a popular choice, but it's been criticized for providing the lowest security level on French doors. A single locking point in the middle of the door is easily bypassed. Additionally, it is fairly easy for thieves to gain access to your French doors by forcing the handle to move to the left or right. These doors are often used as the principal entry point to your home, and must be secured to minimize the risk of intrusion by a stranger. The espagnolette lock is not bolt-like, but is it is a single-piece mechanism that can be attached externally to the edge of French doors, or internally to an existing frame. The mechanism is operated by a handle and consists of a rod that has hooks at the sill and head which fit into sockets within the window frame. When the handle is turned the rod moves upwards and downwards, and the hooks secure into their receivers, allowing them to lock and unlock your windows. They are a great solution for those who wish to enhance the security of French doors without compromising on the appearance of the door. These types of handles can be paired with a variety of other designs and are able to be master keyed to give you added security. Similar to cockspur handles espagnolette handles are available in both inline and cranked models to fit the shape of your window. Inline versions move in the same direction as the original. Cranked versions are available in both right-handed and left-handed options. Laminated glass Laminated glass is often used for windows as it is extremely difficult to break. It is also more secure than standard glass because it is a single piece of safety glass, rather than breaking into sharp shreds. This makes it perfect for both residential and commercial properties. Lamination is the process of joining two pieces flat glass with an interlayer of plastic. The entire piece is heated and press-pressed to create a strong enough to use as an entrance or window. The laminated glass that results is five times stronger and a hundred times more rigid than the glass that is tempered. It also withstands stronger impacts and resists weathering. upvc window lock replacement of glazing is ideal for construction sites that require high performance like increased safety (impact resistant glass), UV protection or noise reduction. Laminated glazing can be used with a high-performance coating in order to improve thermal insulation as well as solar control. It is available in a variety of options to fit your budget and project. Laminated glass is safer to use than tempered glass since it is cut even after production. It is less likely to break if cut from the back of the glass rather than the edge. This makes it a great choice for glass that cannot open or close, like cellar windows. It is also utilized 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 layer that is found in the laminated glasses is also able to absorb the sun's damaging ultraviolet radiation. This prevents discoloration of fabrics, furniture and other objects. Although laminated glass is more expensive than tempered, it has many benefits that will help you save money over time. It is also more robust and resistant to abrasions and scratches. It can be manufactured according to your exact specifications. It's also less prone to heat damage, making it a good choice for coastal areas or high-rise structures. Certain building codes require that exterior doors and certain interior windows are made of laminated glass. Friction hinges Friction hinges are designed to hold and support the location of doors, flaps, panels, and windows. They can also resist the movement of other hinges, and also prevent an unintentional opening and closing. They come in a variety of sizes and shapes, and they are able to have a variety of torques. These forces determine how long the hinges remain open or closed. Aluminum is a great material for friction hinges because of its high strength-to-weight ratio as well as its durability and resistance to corrosion. It is also light and easy to work with. It's also available in different finishes, and it's easy to set up and fix. Brass is another popular material used for friction hinges. Brass is an alloy made of copper and zinc which is naturally resistant to corrosion. It is stronger and more durable than stainless steel, but is more expensive. The hinges made of friction that are used in uPVC double glazing door systems can be customized to meet the requirements of the 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 a hinge. It is crucial to monitor the metric in critical applications. There are many different types of friction hinges, including one-way and detent. One-way friction hinges have constant torque in one direction, while detent friction hinges do not have torque in the opposite direction. Other variations include disc, curl and pipe friction. Each type of friction hinge is unique and comes with its own set of characteristics, making it more or lesser useful for certain applications. Friction hinges are also referred as hinges with a free-stop since they permit doors or lids to remain at an angle after the force has been removed. This can help prevent injuries by preventing accidental closures. This kind of hinge is perfect for medical, rugged or hazardous areas. The hinges are configurable to allow for different degrees of free play, and can function in different angles.