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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 to burglars. Check that your double-glazed windows have anti-jemmy hinges to enhance their security. These specialised hardware parts make it extremely difficult to get the sashes of your windows open. Multi-point locking Multipoint door locks are among the most secure security devices you can install at home or at work. They are virtually impossible to pick or break and can be an excellent complement to any security system. They also can improve your energy efficiency by reducing drafts around the doorframe and enhancing the seal. Multi-point locking systems are comprised of a deadbolt as well as a live bolt (latch) joined by hook bolts below and above the latch, as well as flush bolts that are locked into the sill and head of the door frame. They typically extend the most, if not all across the entire length of the door. These systems are often referred to as “full-width”, in commercial contexts. They are used to secure the entire opening of the door. Multi-point locking is available on the majority of uPVC and certain timber doors. This type of lock provides a higher level of security compared to regular locks. It is often mentioned as part of the Secured by Design initiative, which has been approved by the police. When a multi-point lock made of uPVC door is shut and the outside handle is turned on, it will activate the latch bolt. The inside handle is locked by turning the lock's thumbturn inside of the door with the handle raised or using keys. Always make use of a key when you lock your door. Using a handle to lock your door could damage the latch or deadbolt. If your uPVC lock isn't working correctly, it could be that it's not aligned with the door frame. You can check this by placing a spirit level on the top of the door, and observing any gaps in the miter joints, where the frame connects to the door. If you find an opening, it's worth getting your double glazing specialist to look at the issue and resolve the issue. They can fix the lock or install a new one. They will be able tell if it's caused by damage to the frame or lock unit. In these cases, the technician will be able repair or replace the multipoint lock to restore it's functionality. Espagnolette locks Espagnolette locks are now a standard locking mechanism for double-glazed uPVC windows. They are easily recognised by their flat strip design which moves as you turn the handle. They work in conjunction with the secure multi-point locks that are positioned around the frame to securely lock and unlock your windows. If you are looking to improve your uPVC window handles, espagnolette handles can be utilized for new constructions or for renovations. They are available in a variety of styles, both contemporary and period, and are available in a variety of bar lengths, backset options, and the heights of the mushroom cams, with a choice of profile keepers to fit all kinds of applications. Although a very popular choice the espagnolette locks have been criticized for delivering low levels of security to French doors. With only one point of locking in the middle of the door could be overcome with enough force. In addition, it is quite easy for burglars to gain access to your French doors by bending the handle to either the left or right. These doors are usually used as a primary entry point to your home, and should be kept secure to reduce the chance of unwanted entry. Although they are referred to as espagnolette locks, these locks are not a bolt but a single piece mechanism that fits externally onto the edges of your French doors or inside a casement window frame. The mechanism is operated by a handle, and consists of a rod that has hooks at the head and sill which fit into sockets within the window frame. When the window's handle is operated the rod is moved upwards and downwards. The hooks then lock into their respective receivers. They are an excellent choice for those looking to increase the security of their French doors without compromising the aesthetics of the door or the overall look of the room. The handles are available in a variety of styles and can be master-keyed to provide extra peace of mind. Like cockspur handles the espagnolette handle designs are available both cranked and inline models to match the orientation of your window. Inline versions operate exactly the same way as the original, while the cranked versions are available in both right and left handed designs. Laminated glass Laminated glass is typically used for windows as it is extremely difficult to break. It is also more secure than standard safety glass as it is fused to a single piece rather than breaking into sharp fragments. This makes it ideal for commercial and residential properties. Lamination is the process of combining two pieces of flat glass and an interlayer of plastic. The entire piece is heated and then put under pressure to make it stronger enough to serve as a window or door. The laminated glass that is created can be up to five times stronger and one hundred times more rigid than tempered. It is also able to withstand more intense impacts, and resist weathering. This kind of glazing is ideal for buildings that require demanding performance for safety, such as increased security (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's available in a wide range of options to suit your needs and budget. Laminated glass is more secure to use than tempered glass as it is cut after the fact. It is also less likely to break when cut from the side instead of the edge of the glass. Main Page makes it an excellent choice for glass that won'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 block some of the sun's damaging UV rays, which prevents discoloration of furnishings and fabrics. Although laminated glass is more expensive than tempered, it offers many advantages that can reduce your costs over time. It's also more robust and resistant to scratches and abrasions. It can be made to meet your specific requirements. It is also less susceptible to heat damage, which makes 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 support and hold in place doors panels, flaps and doors. They also impede the motion of other hinges, and also prevent an unintentional closing and opening. They are available in various sizes and shapes. They can have different amounts of torque which are the forces that determine how long the hinges remain open or closed. Aluminum is an excellent material for friction hinges because of its strength-to-weight ratio that is high durability, durability, and corrosion resistance. It is also lightweight and easy to handle. It can also be crafted into a variety of finishes, and is easy to set up and repair. Brass is another popular material that is used in friction hinges. Brass is an alloy made of zinc and copper which has a natural resistance to corrosion. It is more durable and stronger durable than stainless steel, but is more expensive. The hinges with friction that are used in uPVC double glazing door systems can be tailored to the specific requirements of the application. These modifications may include the amount of damping, the viscosity of the lubricant and the degree of tolerance between the components. They can also be influenced by the conditions of the environment where the hinge will be used. These factors can affect the dynamic torque of the hinge and it is crucial to monitor this metric when it comes to critical applications. There are a variety of friction hinges. These include one-way and detent. Detent friction hinges don't have torque in the opposite direction. Other variations include discs, pipe, and curl friction. Every type of friction hinge has its own set of characteristics that make it more or less useful in specific applications. The hinges with friction are often called 'free stop' hinges, because they allow a lid or door to remain at a predetermined angle after the force is removed. This prevents injuries due to accidental closures. This kind of hinge is ideal for use in medical, rugged or hazardous areas. The hinges can be configured to provide different degrees of free play, and can function in a variety of angles.