Why Is Double Glazing Glass Important?

Double glazing glass is a very important aspect of the performance of your double glazing. This is why it is important to understand what the glass can help you accomplish. You may think that glass is glass is glass. However, choosing the right kind of glass can help you get the most out of it. Moreover, you get to choose what features you want in your home and double glazing.

double glazing glass affects the performance of your home

What Are the Different Types of Double Glazing Glass?

There are many different kinds of double glazing glass. Each has its own speciality. However, you can take a core functionality and add on others to it. It depends on what you want to be the most important feature.

Annealed or Float Glass

Annealed or float glass is your basic double glazing glass. This is the cheapest option, and does not have any additional properties. It is quite strong and difficult to break, especially when used in double glazed fittings. However, when it does break, it breaks into dangerous shards. These can cause serious injuries.

Toughened or Tempered Glass

This type of glass is about 3 to 4 times tougher than float glass. Moreover, if it breaks, it shatters into crystals rather than shards. These cubes or ‘dice’ are much less dangerous than the jagged shards. This is you toughen it. First, you heat the glass to a high temperature, around 700°C. Then, you cool it by blasting it with cold air on both sides.

As a result, the outer layers of the glass cool down much more rapidly that its core. They contract and solidify, giving the sheet a much higher strength than normal. The catch is, because of its safety features and specialised manufacturing process, this is more expensive than float glass.

Laminated Glass (for safety and security)

Laminated glass adds a layer of security to your double glazing. You take two or more layers of glass. Then, you fuse them together with cast resin or PVB (polyvinyl butyal) laminate. The PVB option is much more secure, and the most commonly used. The way it works is if the glass ever breaks, it remains stuck to the laminate.

As a result, there are no dangerous shards. Moreover, if someone was trying to break in, the glass obstruction still holds its shape.

Coated Glass

Coated glass is ideal for those who want natural light, but would prefer to have it controlled. The glass has a metallic or tinted coating. As a result, it lets in sunlight after filtering it. This way, you get illumination without the glare or excess radiation. This not only protects your upholstery and carpets from fading, but also helps prevents skin damage from ultraviolet radiation.

tinted or coated double glazing glass keeps out excess radiation

Self-Cleaning Glass

Self-cleaning glass works in two ways, due to two treatments. First, a layer of titanium dioxide on the outside helps break down dirt. It does this with the help of solar radiation and the moisture around it. When solar radiation strikes the treated surface, it reacts with moisture to form hydroxyl radicals. These radicals take large particles of dirt and break them down.

The second is a hydrophilic treatment. As a result of this, any water droplets that fall on the glass tend to stick and spread. This washes off the broken down dirt. It also prevents water stains on this double glazing glass.

Noise Reduction Glass (Acoustic Glass)

Noise reduction glass is great if you live in an area that is very noisy. It could be due to a busy road or proximity to an airport. While ordinary double glazing glass can reduce sound by up to 75%, acoustic glass does even better. This glass has acoustic inter-layers of PVB. These absorb sound so that very little of it makes its way inside. To make it even more effective, you can use layers of different thickness.

Fire Protection Glass

If double glazing glass breaks during a fire, it can allow the blaze to spread. Moreover, it can cause additional injury with shrapnel. Fire protection glass is the ideal solution. This glass can withstand high temperatures, and you can decide how much time you need. You can get fire protection glass that holds of fire for 30, 60, 90, 120, and even 180 minutes!

Bullet-Resistant or Explosion Resistant Glass

These are two types of specialised double glazing glass. They are stronger and more durable, and built to withstand bigger impacts and shock-waves. These, and anti-vandalism and manual-attack-resistant glass, are heat treated and laminated. You should opt for these if you live in a high-risk area.

Decoration Glass

Decorative double glazing glass comes in many different colours, textures, and designs. These may be created by silvering, acid-etching, tinting, or even ceramic paints. Such glass is useful for adding visual interest, but is not ideal for areas where you would want visibility.

decorative double glazing glass adds visual interest

What Are the Different Features I Can Get With Double Glazing Glass?

Like we said earlier, double glazing glass can give you one or more features that you may desire. For example, you might want heat performance as well as easy to clean glass. Alternatively, you might desire less glare and less noise, but also strength. Whatever combination you want, you will probably find it. Double glazing glass can be exceedingly versatile and high-functioning.

Here are some of the features you can get with specialised double glazing glass.

Heat Performance

insulated double glazing glass gives you better thermal efficiency

Heat performance is an important aspect of double glazing. In fact, it is so essential that Building Regulations have specifications for it. As per the regulations, any new double glazing needs to adhere to guidelines for energy efficiency. Windows Energy Ratings measure the performance of your double glazing on a scale of A to G. In this scale, A is the highest performance rating. A low-E window will have low U-values and high g-value.

Low-E, or low emission glass is treated to maximise your heating. It lets in solar (or passive) heat, but reflects the interior heat back. As a result, it prevents a great deal of heat from escaping.

The thermal performance of your double glazing glass is measured by its U-value and solar heat gain coefficient (g value). U-value is the measure of how much heat the double glazing glass transfers out. If you get glass with a low U-value, it will let out less heat.

The solar heat gain coefficient measures how much solar heat your double glazing allows in. A high solar value, or g-value, means your double glazing transmits more solar heat inside.

One way to achieve low-E double glazing glass is by building up microscopic layers coating. A technology known as sputtering is performed in a vacuum. This builds a coating that is extremely thin yet very resistant. In fact, this treatment gives you clearer glass than any other thermal insulation process. Moreover, it gives you better thermal retention than any other process as well.

The best part is, you can get thermally efficient glass in various combinations. This includes toughened, laminated or noise-proof. You can even have decorative or self-cleaning glass.

Noise Performance

If you live in a city, or a built up area, you must face the problem of too much noise. There may be too much traffic going past because you live near a busy road. You may have a school or playground near you where children might be too loud. Even worse, your home may be close to a flight path or a train line. In such a case, you would want your double glazing glass to effectively and efficiently block out noise.

Acoustic glass is highly effective at keeping out such sounds. What’s more, you can use this double glazing glass on conservatory roofs as well. As a result, you get a clear roof that is not excessively loud when it rains. Additionally, you can use it as a noise-proof partition. This is ideal for quiet meeting rooms in a busy office. It also helps you create a tranquil den in your own home.

You can control the levels of noise protection with the thickness of the layers of this bonded double glazing glass. As sound travels through the layers and inter-layers, it keeps getting absorbed. The number of layers as well as their individual thickness help create a calmer space inside for you.

Easy Maintenance

Heat Loss

Let’s face it. It can be quite time-consuming to maintain the double glazing in your home. The doors and windows need to be cleared of debris. Moreover, cleaning the glass is a chore. This is why self-cleaning glass is so handy. The titanium dioxide coating on its surface reacts with moisture in the presence of solar radiation. This reaction creates hydroxyl radicals.

These radicals then bind with dirt particles and break them apart. These disintegrated particles get blown off or washed with rain. As a result, you don’t have dirt accumulating on your double glazing glass.

Moreover, another treatment makes this glass exceedingly hydrophilic. Hydrophilic is a fancy way of saying water-loving. As a result, when a drop of water lands on the surface of this glass, it does not clump. The drop spreads out over the surface of the glass. This means that even a small amount of water effectively spreads all over the pane. Consequently, it washes off any dirt particles that are still on the surface.

Additionally, you don’t have drops of water sitting on the double glazing glass. This way, you are less likely to get stains due to deposits. Your double glazing glass remains clean and dirt-free with little to no intervention from you. Even if it does get dirty once in a while, you can clean it with just a wet rag.

Protective Glass

Your double glazing glass can protect you from a range of safety issues. This category of protective glass is called safety glass. It keeps you safe from lacerations and injuries even if you crash into it. Since it is toughened, it is much more difficult to break than ordinary glass. If it does shatter, it breaks into crystal-like ‘dice’ instead of jagged shards. Alternatively, it is bonded with a film that does not allow it to scatter.

Toughened glass is a regulatory requirement for windows that are less than 80cm from the floor. It is also required for windows or panels that are less than 30cm from a door. Moreover, double glazing glass needs to meet the BS 6206 standards to qualify as safety glass. That is, it should be able to resist an impact with an object weighing at least 45kg. Even if it breaks, it should break safely.

Laminated glass, on the other hand, not only protects you from shards but also cleaning said shards! This bonded glass has one of more layers of PVB. As a result, even if the glass breaks, it remains stuck to the inter-layer. It’s like a sticky tape that holds the broken bits in position. As a result, intruders can’t simply break the glass to enter.

Fire-Proof, Anti-Ballistic, and Explosion Pressure Resistant Glass

Your double glazing glass can also protect you from fire. This glass is strong enough to resist impact. As a result, it serves as a barrier against smoke and noxious gases, as well as flames. It also protects you from radiated heat and high surface temperatures. Moreover, it keeps the fire from spreading for a pre-determined period of time.

Finally, you have double glazing glass that protects you and your double glazing from malicious intents. This type of glass is able to resist attempts of vandalism or aggression. You also have bullet-resistant glass that needs to meet the BS EN 1063 standards to get that qualification. Similarly, you have the option of explosion pressure resistant glass.

Both these types of safety double glazing glass can be used if you live in a dangerous area. The latter is especially useful if you are in an area where accidental or criminal explosions are likely to happen.

Where Can I Get Double Glazing Glass For My Needs?

Nearly all double glazing suppliers and installers offer at least some specialised double glazing glass. You can contact your local approved double glazing companies for more information. Alternatively, you can get in touch with us. We have a team of qualified and helpful experts.

Simply fill out our online form with your contact information and requirements. Someone will get back with answers to all your queries. We’d also be happy to recommend trusted local double glazing glass suppliers.

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

Can Double Glazed Doors be Fitted with a Pet Flap?

Depending on the style of door, a pet flap can be fitted as an extra service. The only exception is when glass panels feature on the lower half of the door.

How Much Do Doors Cost?

Your double glazed door cost will depend on specifications such as style, size, locks, glazing and door furniture. Double Glazing on The Web gives you the opportunity to create your very own unique door quote online. Start your free door quote today.

What Does UPVC Stand For?

UPVC is an abbreviation for unplasticised polyvinyl chloride which is used in window frames.

Do UPVC Windows Need Trickle Vents?

Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.

How Long Will It Take To Install My Casement Window?

Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.

Which Bi-folding Door Configuration is Best?

When choosing the arrangement of your bi-folding doors you need to consider the size and layout of your room. Outfolding bi-fold doors will take up less internal space when completely folded back and a left of right folding will be dependent on space available in your room.

How Long Does It Take To Install Bi-Fold Doors?

If a survey is scheduled within 48hrs then your bi-fold doors can be supplied and installed within just 6 – 8 weeks.

How Secure Are Bi-Folding Doors?

Bi-folding doors are extremely secure and are built with a high security locks as standard. Each of our double glazing installers will offer their own range of locking systems with additional upgrade options for all security conscious homeowners.

Are There Other UPVC Casement Window Styles?

Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.

Will I Have A Choice of Casement Window Locks?

A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.

What Are Flush Casement Windows?

Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.

Are There Different UPVC Casement Window Sizes?

UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!

Can I Choose My Casement Window Handles?

Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.

What is a Casement Window?

A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.

Where Can I Get A Tilt and Turn Windows Price?

You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.

How Does The Tilt and Turn Window Mechanism Work?

The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.

How Much Do French casement windows cost?

The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine

How do UPVC Sash Windows Work?

UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.

Are UPVC Sash Windows Easy To Use?

UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.

Why Should I Choose a UPVC Sash Window?

UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.

Replacement Sash Windows In A Conservation Area

If your home is a listed property or within a conservation area then you will need to seek planning permission.

Are UPVC Doors Easy To Maintain?

UPVC doors are extremely easy to maintain and will never require re-painting or varnishing. Neither will a UPVC door rot or warp!

What Are Composite Doors Made Of?

Composite doors are made of a combination of high performing materials which is why they are so strong and incredibly long lasting. The composite door is made from: reinforced UPVC, fibreglass skin, high density foam and a water resistant composite materials.

Do Composite Doors Fade?

Composite doors feature a tough and durable skin where colour runs throughout rather than a simple surface coating. This means a composite door is not likely to wear or fade like the majority of painted doors. A composite door is very long lasting which also reduces the amount of maintenance required to keep it looking in top condition.

Do Composite Doors Need Painting?

Composite doors do not require re-painting. These low maintenance doors feature a water resistant GRP, coloured skin which keeps a pristine appearance year after year.

Do Composite Doors Warp?

A composite door will not warp like wood and won't require regular painting.

Can I Get Composite Side Panels?

Composite doors are available with matching composite side panels, your installer will offer you a choice of colours and glazing.

Is Every Composite Door Different?

There are different qualities to every composite door and they will vary between manufacturers depending on materials used. At Double Glazing on The Web we only put you in touch with the highest quality suppliers and installers.

What Do Stable Doors Look Like?

These country style doors offer charming aesthetics and are a stylish alternative to standard back doors, stable doors a great choice for any kind of property. This door is split in two halves which open independently from one another as well as function as a whole. Whether you are after a traditional stable door or more contemporary design with modern glazing, your double glazing installer will be able to offer you a wide range of options for your property.

Are UPVC Stable Doors Made To Measure?

Your UPVC stable door will be made to measure and tailored to your specifications given to your double glazing installer.

How Much Do UPVC French Doors Cost?

UPVC French door prices will depend on your personal requirements and specifications such as size, style and glazing. To get an average French doors cost use our door cost calculator for a free online quote.

Are UPVC Patio Doors Secure?

UPVC patio doors can be fitted with a choice of high security locks to make them extra secure. You can also choose from a range of glazing styles to further enhance the strength of your patio doors.

Do I Need Planning Permission For Patio Doors?

You may require planning permission for double glazed patio doors if you have a listed building or happen to live within a conservation area. Visit the V for more information.

How Do Sliding Patio Doors Work?

UPVC sliding doors operate on a smooth, easy glide system which allows for effortless transition. They are attached to metal or vinyl tracks which are fitted to the top and bottom frames and plastic rollers are added to ease the movement.

How Do Slide and Swing Doors Operate?

A multi-pane door with individual panes slides on a single track with no loss of space. Panes are able to operate individually with no visible hinges or hardware. The slide and swing door can open up spaces between rooms or between home and garden or even conservatory.

Bay or Bow Window?

Simply put, it really depends! Bay windows offer often much welcome and useful extra storage space to the frontage of homes. On the other hand, bow windows provide a curved shape alternative in terms of look compared to bay windows. They are both beautiful options and can add much character and charm to the right property.

Can Bay Windows Look Modern?

Bay windows can easily be either modern or traditional depending on the combination of glass and / or coloured uPVC profiles now available. Subsequently, its easy for these windows to seamlessly blend in with contemporary or old properties.

What Makes Flush Sash Windows Different?

Flush sash casement windows are specifically designed to imitate the appearance of traditional wooden timber windows by appearing to have the same sashes that finish 'flush' with the outside face of the window.

Should I replace my old sash windows?

Sash windows are a key feature for many traditional period buildings. Sash windows were traditionally built using timber, which is fairly high maintenance and has a tendency toward rotting and warping. Over time, these windows can become draughty and insecure. uPVC sash windows are a great way to experience the benefits of modern double glazing, without sacrificing the aesthetic of your home. uPVC sash windows will not rot or warp and require little maintenance. They are also thermally efficient, which means that your home will not require as much heating.

How much does sash window restoration cost?

The cost of sash window restoration will depend on the survey result. Standard draught proofed sash windows (without sill replacement) usually starts at about £500 per window. The time taken will also depend on the survey result.

Can I install double glazing into my original sash windows?

This will depend upon what type of window you have. Replacing existing moving sashes with new, double glazed replicas might to be possible.

How much does it cost to replace a sash window?

The cost of replacing a sash window will depend on many factors including: style, size, material and glazing. A wooden sash window will cost significantly more than a uPVC sash window. A wooden sash window can cost up to £1000. Wooden windows are more expensive to manufacture so expect to pay that bit more. uPVC sash windows can be designed to mimic wood and are much cheaper in price. The starting price for a standard uPVC sash window is on average £525.

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