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Granada Secondary Glazing
Experts in Secondary Glazing
Experts in Secondary Glazing


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Our latest commercial project was Leeds Fine Art Building. The architect specified a system to open both primary and secondary units simultaneously. Our heritage hinged unit was installed with a bespoke opening system to meet the architect’s initial specification. Please view our video case study here:
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Comfortably Numb

Q&A with Yuliya Smyrnova PhD MSc, Acoustic Consultant, RSK Group

You could be forgiven for thinking that acoustics is strictly musical or architectural in nature. Music and architectural spaces may take the bulk of the acoustician limelight, but the science covering the study of all mechanical waves in gases, liquids, and solids, touches a vast range of topics, including: noise control, SONAR for submarine navigation, ultrasounds for medical imaging, thermoacoustic refrigeration, seismology, bioacoustics, and electroacoustic communication.

Part artist, part scientist, the acoustician balances a creative, scientific and practical skillset to deliver advice, usually in the form of noise surveys. Secondary glazing is one of the key weapons in the acoustician’s arsenal, helping to specify results that cut out the noisy outside world and deliver peace and quiet. We asked leading acoustic consultant, Yuliya Smyrnova from the renowned RSK Group to give a little insight into the acousticians’ challenge…
What does the acoustician do?

We measure, record and generally advise developers on how they can make spaces more comfortable for those utilising them. Good acoustical design in concert halls and recording studios is one thing, but people spend much more of their time in homes, offices, factories, or classrooms. Building good acoustics into the design of a building is important, but it is not always possible to foresee issues that occur later, perhaps by a change of use.
Are noise problems just an inconvenience or can they be more serious?

Occupational health drives a lot of our work. We’ll work backwards from the legislation to see where a problem will or won’t occur – we don’t make the rules! Factories require measures to be in place where noise exceeds 80-85 Db, for example, but it’s important not to underestimate the impact noise can have on someone’s quality of life.
How does one become an acoustician?

There are specialist degree courses available for the application of sound knowledge in difference sectors. An Acoustical Engineering course is one way. Lots of acousticians do post-graduate courses, which can be very challenging. The Institute of Acoustics do a great job in promoting courses, such as the Diploma in Acoustics and Noise Control.
What's the most interesting part of the job?

The interest comes from the variety of challenges we face. It’s not a simple job, and every site has its own unique issues. The problems could be far greater or fewer just a couple of doors down the road.
What are the biggest causes of noise problems? Are we becoming less tolerant of noise?

Traffic is by far the biggest problem, but plant and machinery also. It’s perhaps not a case of tolerance, but the fact we are more aware, and are living and working ever-closer to sources of noise or potential disturbance. Ventilation in commercial buildings, for example, can get referred to the council and they contact acousticians to look into it.
Are different sounds more problematic than others?

Low frequency noises can be difficult to deal with. Oil-powered generators can sometimes produce a low rumble that it is almost impossible to hide or drown out. Exposed fridges in restaurants are problematic, and can be put in enclosures. It’s not always the building fabric where the answer is found, for example, you can look to replace or modify the noise source by enclosing or masking it.
What type of challenges might an acoustician face?

In Salford there is a new residential development that is changing the use of a 20 story office block into accommodation. On the one side there’s the problem created by traffic noise, on the other there’s a waterfall! Occasionally, a developer will add a waterfall to mask noises – you can see this in action outside Sheffield train station. It’s creating a more pleasant sound that is masking the noise from the trains. Unfortunately, it’s not the best noise for a good night’s sleep. Waterfalls also generate a medium to high frequency sound, whereas traffic is low. Resolving those together, requires some creative thinking.
Is the answer then to sometimes create noise?

It can be. If you take an office environment, it would be far more distracting to be able to hear just one telephone conversation, than the hubbub from, say, a hundred. Certain high specification offices therefore require speaker systems to play ambient noise to distract from a specific noise source. Cubicle barriers and walls, sadly, aren’t always up to the job.
Are you always listening out for sounds?

Yes, it kind of goes with the job. If you care about your work, and of course sound is all around us, you never really switch off.
And what are your favourite sounds?

That would have to be classic jazz, I love the energy but the freeform kind can be a little complicated, even for me! If I need to relax, that’s when Pink Floyd comes on...

RSK has a team of specialist acousticians like Yuliya, who provide clients worldwide with a broad range of regulatory and industrial services. All team members belong to the Institute of Acoustics.
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Gradbach Mill

Nestled on the edge of the beautiful Peak District, alongside the banks of the River Dane is the tiny hamlet of Gradbach. At its heart is Gradbach Mill, a stunning building set amongst 16 acres of land, steeped in history and heritage dating back to the silk spinning days of the late 1700’s.

At various times in its history the Mill has played its part as a youth hostel, cow shed, farmhouse and doctors surgery, in addition to its original purpose as a flax and silk mill.

In 2013, it was acquired by Newcastle under Lyme College who had been taking groups of its engineering students to the youth hostel for a number of years to participate in ‘outward bound’ type activities in the area. The College set to work upgrading the property to transform it into a centre for experiential and outdoor learning, which will be operated through a subsidiary company, Gradbach Limited.

Thanks to the vision of College Vice Principal Craig Hodgson, assisted by Head of Estates Martin Bostock and Architects Ellis Williams, the buildings have been beautifully refurbished, and the main accommodation, which during its hostel days had catered for 80 guests, will now sleep a much more comfortable 30.

“We wanted a facility that was appropriate for this amazing setting,” said Martin. “Something that would provide a great educational resource for Newcastle under Lyme College, as well as for other schools and colleges, whilst at the same time appealing to corporate and private guests.”

To raise the quality of the accommodation to such high standards was understandably difficult, particularly given the challenges presented by the isolated location. Where possible, the College has chosen to use local craftsmen to support the local economy and their skills are evident in the quality of the masonry, joinery and dry stone wall restoration.

Being faithful to the Mill’s underlying aesthetics was extremely important, but as you might expect for an exposed building almost 300 years old, this presented a greater challenge when it came to the existing windows, as Martin explains: “The original windows were in a poor condition and were extremely draughty. The building, particularly the bedrooms, were perishing in winter. Those Youth Hostellers were a hardy bunch, but even they could not have failed to notice the scale of the problem. A new heating system was essential, but the glazing quality would mean much of the energy would have been lost if we hadn’t tackled the windows.”

Granada Secondary Glazing set to work providing horizontal sliders from its Heritage range to completely transform the noise and thermal insulation. Not that the surrounding noise was an issue – the picturesque surroundings provides complete silence – but a large air gap was still utilised to provide maintenance and cleaning access to the primary windows, via a centre pivot opening.

It was the draught prevention that first impressed the team. “It has to be seen to be believed,” says Martin. “The original windows were no longer up to the job, but even so, with the secondary glazing installed, you would be forgiven for thinking the outside elements are much gentler than they often are!”

In addition to the high-tech fixtures, 6.4mm Low-E glass was also used, to add to the thermal performance. In independent tests, the addition of secondary glazing with Low-E glass has proved to transform windows with C ratings or lower to A Rated — a 63% boost in heat insulation.

Smooth sight lines, ease of operation and maintenance and an extremely smooth installation process also made a positive impression on Martin. “We are absolutely delighted with the results,” he concludes. “To bring this project to completion has been a real delight and the results are there for all to see, enjoy and experience for years to come.”
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Greenbuild Visitors Hear The Difference

We gave visitors to Greenbuild a chance to hear, as well as see, the capabilities of secondary glazing.

By featuring a custom-built ‘Traffic Soundbox’ on our exhibition stand, using ambient noises typically experienced by its commercial and residential customers, we were able to clearly demonstrate the unique soundproofing capabilities of our products.

Noise reduction is one of the key features that attracts customers to secondary glazing, complementing the cost and
thermal insulation qualities that energy-efficient developers expect.

The stringent noise and carbon emission legislation covering buildings such as schools and colleges brings the benefits into even greater focus, whilst the change of use of commercial property to residential, or expansion near airports, railway stations or roads is also bringing more attention to our expertise.

The sound properties and quality of design play an important part in the attraction of secondary glazing, as the thermal insulation qualities become widely accepted.

Our U Values and Weighted Sound Reduction Indices are superb, but the numbers can be a little dry. The ‘Traffic Soundbox’ is a great way to demonstrate the fantastic properties of our products. Low frequency noise can result in actual vibration of the glazing, meaning the problem can get progressively worse.

The general “rumble” of traffic noise, passing aircraft, heavy goods vehicles, train and railway noise, these tend to fall in the low frequency category. In these instances, secondary glazing with thicker glass, fitted correctly, can make the world of difference.

The reaction to the Traffic Soundbox, in what was otherwise a fairly quiet exhibition hall, was very encouraging, and a great attention grabber. A lot of effort went into putting it together, and it was definitely worth it.

This year also saw Greenbuild running alongside a new event - Buildings & Energy Efficiency (BEE), which was been launched to offer built environment professionals access to all the latest products and solutions to create buildings for the future.
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Noisy Launch of Insider Magazine

In our inaugural Insider magazine, we’ve been discussing the developments that are leading to not just a noisier world, but one where secondary glazing is becoming more commonplace.

Read Issue1 here

Noise and acoustics play a significant role in the specification of both residential and commercial installations, and the magazine looks at the science of sound and the role of the acoustician.

Rail noise gets a particular mention, thanks in part to the proposed HS2 line, which it is believed will cause a few sleepless nights, not just when complete, but during the noisy construction phase. Pressure to reduce noise, the article points out, has led to almost a fifth of the 140 miles of track from London to Birmingham being enclosed in tunnel.

Elsewhere in issue one, as well as highlighting their appearance at Greenbuild, where we utilised a custom-made ‘traffic soundbox’ to showcase secondary glazing’s effectiveness, the issue discusses how our internal body clock can play havoc with our ability to function in a morning – something many of us are more than familiar with.

For Dr Paul Kelley, of Oxford University's Sleep and Circadian Institute, the ins and outs of sleep keeps him awake at night. He’s one of a team of researchers that have been warning us that not enough is turning us into a ‘sleep-deprived society’.

The problem stems from the 9 to 5 pattern that the working world has almost uniformly adopted. It only really suits the over 55s, definitely not children and teenagers, and in order to decrease our anxieties (and improve GCSE results), schools and offices, he says, should start at 10am.

That possibly won’t come as music to the ears of the educators and early risers at Newcastle-Under-Lyme College. Insider also features the successful installation of secondary glazing at Gradbach Mill, a stunning building set on the banks of the River Dane, in the Peak District. A former cow shed, farmhouse, surgery and silk mill, the building is now part of the college – acting as an educational resource for engineering students and those embarking on outdoor learning. “We wanted a facility that was appropriate for this amazing setting,” said Head of Estates Martin Bostock. “The original windows were in a poor condition and were extremely draughty. The building, particularly the bedrooms, were perishing in winter." The Granada installation has changed all that and is a great example of where the smart money is going.

With the weather turning well and truly Baltic, there’s just enough space left over in the packed issue for a discussion on the benefits to installers of ‘coming in from the cold’. Many dealers working with us find the winter work particularly helpful – keeping them safe from the vagaries of the British weather, which the HSE believes can require careful consideration and a detailed risk assessment for those exposed to the outdoors for prolonged periods. Unfortunately for some, staying warmly tucked up in bed is not an option!
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From Past To Present

If there is one thing that the popularity of TV programmes such as Downton Abbey, The Restoration Man and Antiques Roadshow proves, it's that our love affair with the past remains undiminished. 

The grandeur of Pre-war, Georgian and Victorian properties perhaps elicits a yearning for a more simple time, at least for those who were the chosen few.

Another new BBC TV programme, All Change at Longleat, brings into sharp focus the difficulties involved in maintaining a £190 million stately home in the modern age, where even the landscape is Grade I listed.

Whilst many may have mused about our very own ‘Downton Dream’, for a large number of people this dream is a reality.

For those that have their own palace, mansion or perhaps slightly less grand, Grade II or Grade I listed building, it may come as no surprise to see large open spaces that are difficult to maintain and heat gracing their television screens. Such properties were built in a time before the phrase 'energy efficiency' was invented or when modern materials were widely available, and the design aesthetic perhaps overruled any desire to keep heat inside and draughts out.

For those that think a listed building is only for the rich, it is well worth remembering that they account for about 2% of English building stock. In 2010, there were about 374,000 list entries, of which 14,500 are places of worship. 

It is estimated that there are about 500,000 buildings listed, as listing entries can apply to more than one building. Of course some buildings you would hardly consider to be residential, the Forth Rail Bridge for one, or Jane Musgrave's 1786 headstone in Bishopton, Darlington, for another.

And yet, by and large listed buildings are of great importance to society and continue to fascinate with their history, vastness and faded grandeur. So it in unsurprising that they are seen as irreplaceable assets in preserving both the history and heritage of the nation. This is reflected with the strict legal protection in place when it comes to planning applications, covering the complete building both inside and out. As suggested in its name, a listed building is part of an extensive list of properties – The National Heritage List for England, Cadw in Wales or The Historic Scotland List – so it is easy to check whether your home is listed and what grade it qualifies as.

As well as living in a listed building, you may find yourself living in a conservation area. Being in one of these areas may mean that your house is affected by special control over changes you’d like to do to your property or land. According to Historic England, these controls are tailored to each area by the local council and are put in place when there are specific features of local buildings that they want to protect.

And yet, part of the accepted conservation ethos is to encourage these buildings to be inhabited and, as a result, maintained. Because much of the protection for buildings in conservation areas relates to the external features, secondary glazing is the ideal way to bring the modern levels of draft protection and thermal protection that makes this possible. 

Carrying out alterations to the inside and outside of a listed building is a little more complicated, but by no means impossible. In fact, the Listed Property Owners Club’s Guide To Owning Or Buying A Listed Building states that whilst double glazing is difficult to introduce: “there would be no restriction on using secondary glazing and this is the method normally recommended.”

Granada Secondary Glazing has supported renovations to some of the UK’s most iconic, historic buildings, for commercial and residential property owners. Much of the Granada range has been specifically designed for listed building windows, conservation areas and heritage properties.

“Owners of listed properties are used to dealing with craftsmen” says Granada’s Steven Mansell, “and although our materials make the most of modern technology, we still apply a great deal of care and attention to detail.”

Aesthetically, the detailing is of paramount consideration. Minimal site lines, condensation control and easy access to the primary glazing means these windows are practical and generally approved. 

In all cases, the appropriate authorities should be consulted, and if you are planning to extend or alter a listed building, it is wise to involve your conservation officer at the earliest possible stage.

“Our experience is second-to-none,” concludes Steven, “which means we know what conservation officers look for and what it means to modernise important properties with care and respect. You can see that listed property owners take a great deal of pride in the management of their building, and secondary glazing not only remains faithful to the period, but means owners can comfortably use their property for many years to come.”

Warmth is a valuable commodity, and creating a second barrier to the elements is a proven way to reduce wasteful thermal heat loss. There is also nothing better than the comfort and warmth of your own house and as the nights draw in, whether you are the Lord and Lady of the Manor, or just watching them on your TV, it’s something you’ll surely appreciate in the cosy evenings ahead.
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Hear The Difference At Greenbuild

Granada is giving visitors to Greenbuild Expo (Nov 10/11, Manchester Central) a chance to hear, as well as see, what secondary glazing is capable of.

Our stand will feature a custom-built 'Traffic Soundbox', using ambient noises typically experienced by our commercial and residential customers, to demonstrate Granada products' unique soundproofing capabilities.

Noise reduction is one of the key features that attracts people to secondary glazing, complementing the cost and thermal insulation qualities.

The stringent noise and carbon emission legislation covering buildings such as schools and colleges brings the benefits into even greater focus, whilst the change of use of commercial property to residential, or expansion near airports, railway stations or roads is also bringing more attention to Granada’s expertise.

Our U Values and acoustic performance are superb, but the numbers can be a little dry. The ‘Traffic Soundbox’ is a great way to demonstrate the fantastic properties of our products.

Greenbuild brings together leading service and product manufacturers with building professionals, with a key focus on sustainability. Various Granada products will be on show, demonstrating the different advantages, aesthetics and properties of secondary glazing.

To learn more, or to arrange an appointment, please get in touch.
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The Acoustician Has Left The Building 

Acoustics is something you may be more likely to associate with a rock star rather than a glazing company, but the science of sound has a vital role to play in the work we do, and you might say acousticians are the support act to our headline spot. 

Healthcare, defence, music and telecommunications are all natural homes for acoustic research, but building acoustics – sound insulation for houses and offices – can be crucial in the development of new commercial properties or the conversion of old buildings for new use. 

Acoustic design, meanwhile, is commonplace for venues such as theatres, music arenas, cinemas and recording studios. The perception of sound, in what is termed critical listening spaces, is as much about the physical design of the space itself as it is about the quality of reproduction equipment and loudspeakers. 

That design may be equally about comfort and control, as it is about clearly hearing the bass line or Hollywood sound effects, meaning acousticians are also often involved in the management, control and regulation of sounds in the workplace. Some work with commercial enterprises to keep sound in, rather than shut it out, minimising music noise transfer to residential spaces. More often than not, however, it’s all about ways of insulating schools, hospitals, hotels and homes from the variety of noises which we often take for granted. 

Recently, acousticians have been central to work we’ve carried out on converted workspace at Heathrow Airport, as well as providing guidance on how secondary glazing can improve the comfort levels for student accommodation in Liverpool.

For the average person, maintaining good noise insulation standards in our homes allows us to enjoy a good night’s sleep or hold a conversation without having to shout. Beyond these accepted levels, the issue of noise can seem fairly subjective. The human ear responds differently to high and low frequencies, often filtering the worst effects, so that’s where the acoustician comes in. 

Part artist, part scientist, the acoustician balances creative, scientific and practical skills to deliver practical advice for architects and other engineers, usually in the form of noise surveys, but also using computer and physical models, project management, site supervision and commissioning of the finished projects. 

Typically, the noise survey will highlight peak noise events, or exceedances, over a 24 hour period and advise a client on how many of these can be nullified by design features such as secondary glazing. In high noise areas, the issue may be a legal one, ensuring the right levels in order for the new use to be approved by the local authority. At other times, it’s a level the client expects, such as in the case of hotels or theatres.

“In agreement with the acoustician the client may specify a certain decibel level, based on the original property type and location etc,” says Steven Mansell, commercial business development. “That level will provide a marker for the future building use and, having monitored the sources of noise, the background levels and exceedances, we’ll look at how best to achieve the required outcome.” 

Correctly specified acoustic glazing will greatly reduce the volume from external sources, eliminating it completely or reducing it to a whisper. Chiltern Dynamics, experts in acoustic testing and modelling, found our products capable of reducing noise levels by over 50db – that’s enough to make a passing motorbike sound like a purring cat. It’s also one of the most obvious benefits that our residential customers mention to us after we’ve renovated their home. 

With different noise sources requiring different types of secondary glazing solutions, the task can be a challenging one, particularly when aesthetics and thermal insulation also require consideration, but generally the results make for happy listening. 

“We have installations that we regularly go back to with customers to demonstrate just how good the results are,” adds Steven. “One is a hotel on the corner of Park Lane and Oxford Street – one of the busiest and noisiest intersections in London. Airports too typically have transport and cargo links, aircraft maintenance and turning bays, and other sources of noise that give surrounding hotels food for thought. With the help of the acoustician, we’re called in to such properties even if they are brand new buildings.” 

One thing you can be sure of is that when the acoustician has left the building, everything has been done to ensure that the only noise you hear is the right kind. 
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A Clearer View

Having found the house of her dreams almost 30 years ago, Sheffield resident Diane Hale was happy to put up with the property’s small idiosyncrasies.

Full of character and located in a quiet suburb, the Hale family’s five bedroom detached home has provided much joy to Diane, husband Nigel and their two sons. With many original fittings from its relatively-recent build, there’s been some love and care required, but the, admittedly house-proud, Diane, found just one feature impossible to bear.

“We love living here,” explains Diane, “we have a wonderful garden and great memories of our boys growing up. The only issue which started to become a problem was condensation. Having to continually clean your windows starts to get to you in the end.”

Good quality secondary glazing provides a complete internal seal, allowing balanced, low level ventilation within the window reveal cavities. This stops the inner glass from becoming too cold, preventing condensation forming on both the primary & secondary windows and protecting the primary windows from further damage.
Getting advice from Granada approved installer, Black Knight, proved to be a great move. Managing Director, Graeme Payne, ensured the best possible service, suggesting the answer could be found by combining Granada’s slimline lift out windows with horizontal sliders.

“The property has some great original features,” says Graeme, “it’s stood the test of time well, but we knew we could help solve the condensation issue without the need for a more expensive re-fit. We only work with Granada products as we feel they provide an excellent noise and insulation performance, as well as offering an attractive look.”

Not only have the Granada products proved much cheaper, the installation process is far simpler and a discrete face-fix provides a smooth, flush finish. Although chosen with the specific condensation issue in mind, the Hales also discovered the acoustic properties were a superb addition. “It’s relatively quiet here anyway,” says Diane, “but you can’t fail to notice the noise reduction. It really gives you a feeling of quiet and calmness.”

So, the question remains, is it traffic, aircraft, rowdy neighbours or trains that Diane no longer has to contend with? “No, it’s Nigel,” laughs Diane. “He can be quite loud when he’s gardening!”
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Glazing's Academy Challenge

The Prime Minister’s recently announced desire to convert all schools into academies will not have come as a surprise to many observers.
The trend towards ‘self-governing’ schools has been well established, stretching back to Tony Blair’s administration in 2000. The original intent was to drive up standards by replacing failing schools in struggling local authorities.

This is probably the reason why the academy status is largely fixed in the public’s mind as being predominantly about independence, but that really only tells part of the story.

Academies are still publicly-funded schools which operate within a framework designed to promote innovation, raise school standards and increase levels of achievement for all children.

They have greater autonomy than traditional state schools in areas such as delivery of the curriculum, setting staff pay and conditions, and changing the length of school terms and school days.

However, as with other state schools they are still required to follow law and guidance on admissions, special educational needs and exclusions, and to collaborate and share facilities with other schools and the wider community.

A major consequence of the academy status is the added pressure it places on governing bodies to run their own affairs and get value for money. This extends to both day-to-day costs and the upgrading or adding of new facilities - basically turning academy trust board members into project and facilities managers.

Many academy conversions coincide with a period of investment, a move to new premises or the renovation of existing ones. Even beyond the conversion process, the figures concerning school renovation are massive. In February 2015, the Government confirmed that 277 schools would have at least one of their buildings (or blocks) rebuilt or refurbished through the second phase of the £2.4bn priority school building programme, designed to improve the most needy schools.

Schools Minister David Laws said of the programme: "Vital building work is taking place at schools in the worst state across the country. We are making excellent progress with 14 school buildings complete and all 261 schools to be completed by the end of 2017.”

It means that those responsible for school buildings need a greater knowledge of the processes and possibilities around everything from architecture, finance, energy provision, building contractors and yes, fenestration.
Educated Partners

At Granada, we tend to find that schools are dependent on our specialist advice. Their primary focus is on delivering the best environment for their children, and we have to guide them through the options available. We’re currently on-site at Wirksworth Junior School in Derbyshire, where secondary glazing is being fitted to provide state-of-the-art thermal insulation.

Secondary Glazing continues to grow in popularity, in no small part thanks to its unique soundproofing and draught prevention capabilities. For schools, which characteristically feature large or multiple windows, the benefits of improving the thermal performance of the building is clear.

A small room may be easier to maintain at an even temperature, but the typical classroom requires considerable numbers of radiators and loses heat quickly - windows play the major role in that.

At Wirksworth, vertical sliders are supported by robust spiral spring balances, which also adds ease of opening and closing. At other locations where the company has been employed, such as the London schools Highgate and Sir John Cass Preparatory School, acoustic as well as thermal insulation is the aim.
Quietly Confident

Noise reduction is one of the most regularly commented on benefits of secondary glazing. Unlike homes, schools buildings are covered by stringent legislation. The rules, the Education (School Premises) Regulations 2012, stipulate minimum standards for school premises, including: “Each room in a school building must have acoustic conditions and insulation against disturbance by noise appropriate to its normal use.”

The Education (School Premises) Regulations also stipulate that ventilation capable of providing at least eight litres of fresh air per second per occupant is required for all teaching areas, and that all workplaces should be adequately ventilated to provide sufficient quality of fresh or purified air and to prevent the build-up of stale, hot or humid air.

Such rules guide schools against just sealing up windows, so the addition of a secure inner panel that also allows access to the original frame for ventilation is another benefit.

Schools and colleges are also covered by the Workplace (Health, Safety and Welfare) Regulations 1992, which outline provisions that must be made in relation to the work environment. Provisions that are covered by these regulations include staff rooms, weather protection, noise, lighting, heating temperature, and ventilation.
Return on Investment

It is important to consider all the factors, but it is also important not to get overwhelmed by the choices available. As the largest specialist manufacturer, supplier and installer of secondary glazing services in the UK, we’re seeing the way commercial properties and home owners are benefitting, and we’re delighted to see those benefits being embraced by the education sector.

Outside education, industry-leader, Granada has helped drive the sector forward with major contracts with national partners including hotel chains, housing associations, the NHS and other commercial bodies, whilst gaining a considerable reputation amongst heritage and residential customers.

Our ongoing work with universities has revealed some interesting facts about the benefits of secondary glazing. Many of the higher education bodies we work with inhabit older buildings that require regular upgrades or maintenance. Those bodies are used to looking at ways to maximise the return on their investment, typically within four or five years.

Having supplied such organisations for almost 20 years, we’re unsurprised to hear that some have carried out their own investigations, measuring thermal loss against energy costs and proving the case for future investment.

Universities in particular have multiple factors that lend themselves to investing in secondary glazing – the resulting environment is quieter, cheaper to heat and generally more pleasant to work in. There are also benefits to fulfilling carbon emission targets and promoting the organisation’s green credentials to a discerning student body.

At Granada, we’re very aware of the pressures the school leaders are under, and make every effort to ensure an efficient installation process. For further information, please get in touch.
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