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The 10 Scariest Things About Double Glazing Door Lock
Double Glazing Door Locks

Many homeowners opt for double-glazed windows and doors due to their energy efficiency, insulation and sound reduction. They are also an effective deterrent to burglars.

To increase the security of your double glazed windows, make sure they are equipped with anti-jemmy hinges. These hardware components are specially designed to make it very difficult to get windows sashes.

Multi-point locking

Multipoint door locks can be one of the most effective security tools you can install at your home or office. They are virtually impossible to pick or break, and can be a fantastic option to add to any security system. They can also improve the efficiency of your energy by reducing drafts as well as improving the seal around the door frame.

Multi-point locking systems comprise of a deadbolt and a live bolt (latch) joined by hook bolts below and above the latch, and flush bolts that secure the head and sill of the door frame. They typically extend the most, if they are not all across the 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 most uPVC and some timber doors. This kind of lock offers greater security when compared to conventional locks. It is usually mentioned as part of the Secured by Design initiative, that has been approved by the police.

When a uPVC window with a multi-point lock has been closed the handle on the outside turns the latch bolt. The inside handle is locked by turning the lock's thumbturn on the inside of the door with the handle raised or with a key. It is recommended to use a key to lock your door once it's closed. Attempting to push the deadbolt or latch bolt with a handle may damage the lock and the hinges.

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 checking for any gaps in the miter joints at the point where the frame meets the door.

It is worth asking your double glazing specialist if there is a gap and to fix it. They can fix the lock or install a new one. They'll be able to determine if it's caused by damage to the frame or lock unit. In these cases, they'll be able to repair or replace your multipoint lock to restore it to its original state.

Espagnolette locks

Espagnolette locks are one of the most common window locking mechanisms that are used for modern uPVC double-glazed windows. The shape of the flat strip that changes when you turn the handle is a great method to identify them. They work in harmony with secure multi-point locks positioned around the frame to securely secure and unlock your windows. If you're looking to improve your uPVC windows, the espagnolette handles are a good option for either new builds or renovations. They come in a wide range of styles, including contemporary and period. They also offer an array of bar sizes, backset options, mushroom cam heights and a selection of profiles that can be used for any application.

The espagnolette lock is a well-liked choice but has been criticized for providing a low security level on French doors. A single lock point in the middle of the door can be easily accessed. In addition, it is fairly easy for thieves to gain access to your French doors by pushing the handle to move to the left or right. These doors are typically used as a main entry point to your home, and should be kept secure to minimise the risk of unwanted entry.


Despite their name, espagnolette locks aren't bolts they are actually a one-piece mechanism that is able to be fitted externally on the edges of your French doors or internally on the frame of a casement window. The mechanism is operated with the help of a handle. It is made up of a rod that has hooks at its head and the sill. The hooks are inserted into sockets on the frame of your window. When the handle is operated the rod moves upwards and downwards, and the hooks are locked into their receivers, allowing them to lock and unlock your windows.

They are an excellent choice for those who want to improve the security of their French doors without compromising the aesthetics the door or the overall appearance of the room. These handles can be utilized in a variety of styles and are able to be master-keyed for added peace of mind.

Like cockspur handles espagnolette handles are available in both inline and crank models, based on the orientation of your windows. Inline versions turn in the same manner as the original handle, whereas the cranked versions are available in both right and left handed designs.

Laminated glass

Laminated glass is typically used for windows since it is extremely hard to break. It is also safer than normal glass because it fuses together into one single piece of safety glass, rather than shattering into loose sharp shards. This makes it ideal for commercial and residential 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 a door or window. The resulting laminated glass is 5 times stronger and 100 times stiffer than glass that has been tempered. It is also able to be able to withstand more severe impacts and resist weathering.

This kind of glass is ideal for buildings that must perform well, like enhanced security (impact-resistant glass), UV protection, or noise reduction. Laminated glass can be paired with high-performance coatings that improve the thermal insulation as well as solar control. It's available in a range of options to fit your budget and project.

As opposed to tempered glass glass is able to be cut after production, and be safe to use. It is less likely to break if cut from the sides of the glass, rather than the edge. This makes it an excellent choice for glass that won't open or close like cellar windows.

It can also be used to reduce the sound that is transmitted through high-rise structures. The Saflex PVB layer within the laminated glasses also helps to absorb the sun's damaging ultraviolet rays. This helps prevent discoloration of fabrics, furniture and other items.

Although laminated glass is more expensive than tempered, it offers many advantages that can reduce your costs over time. It is also more durable and resistant to scratches and abrasions. It can be manufactured to meet your specific requirements. It's also less prone to heat damage, making it a good choice for coastal areas or high-rise buildings. Certain building codes also require that exterior doors and some interior windows are made from glass laminated.

Friction hinges

Friction hinges help hold doors as well as flaps and panels. They can also resist the movement of other hinges and stop hard slamming or unintentional opening and closing. They are available in a variety of sizes and shapes. window door lock repair can have different torques, which are the forces that determine how long hinges can 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 light and easy to handle. It's also available in various finishes, and is easy to install and fix. Brass is a different material that is widely that is used in friction hinges. Brass is an alloy comprised of copper and zinc. It is naturally resistance to corrosion. It is more durable and stronger durable than stainless steel, but is more expensive.

The hinges made of friction that are used in uPVC double glazing door systems can be tailored to meet the requirements of the particular application. These customizations can include the amount damping, the viscosity of the lubricant and the degree of tolerance between components. They may also include the environmental conditions 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 many different types of friction hinges, including one-way and detent. One-way friction hinges provide constant torque in one direction, while detent friction hinges have no torque in the opposite direction. Other variations include disc, curl and pipe friction. Every type of friction hinge is unique and comes with its own set of properties, which make it more or lesser useful for certain situations.

Friction hinges are also known as hinges that stop free because they allow the lid or door to remain at an angle even after the force has been removed. This helps prevent injuries through accidental closing. This type hinge is ideal for medical, rugged or dangerous environments. The hinges can be made to provide different degrees of free play, and can be designed to work at different angles.

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