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Vacuum glazing is an innovative glazing solution that delivers exceptional thermal performance while maintaining the slim profile of traditional single glazing. Ideal for both new timber windows and heritage restoration projects, vacuum glazing allows homeowners to improve energy efficiency without compromising the original appearance of their property.
Whether you’re upgrading existing timber windows or installing new bespoke joinery, vacuum glazing offers outstanding insulation, improved acoustic performance, and a discreet aesthetic, making it a popular choice for period properties, listed buildings, and conservation areas.
At ERW, we supply and install advanced vacuum glazing within new timber windows and as part of our window restoration services. Its ultra-thin construction makes it ideal where standard double or triple glazing may not be suitable, while still delivering exceptional thermal performance.
With a thermal insulation value of less than 0.44W/m²K, vacuum glazing outperforms traditional glazing systems, helping to reduce heat loss, improve comfort, and lower energy costs.
Vacuum glazing provides outstanding thermal insulation, helping to retain heat during colder months and reduce reliance on heating systems.
Our vacuum glazing is backed by a 15-year guarantee, providing confidence in its long-term performance and reliability.
The vacuum cavity between the glass panes significantly reduces the transfer of external noise, creating a quieter and more comfortable indoor environment.
With a profile similar to a single pane of glass, vacuum glazing is ideal for traditional timber windows where maintaining original sightlines is essential.
Vacuum glazing is manufactured using recyclable materials, making it a sustainable option for improving your home’s energy efficiency.
Its slim construction reduces the visible reflections often associated with standard double glazing, helping to preserve the authentic appearance of traditional windows.
Vacuum glazing is frequently specified for listed buildings and conservation projects, where its slim profile allows historic windows to retain their original character while benefiting from modern performance.
Vacuum glazing consists of two panes of glass separated by a vacuum rather than air or gas. This virtually eliminates heat transfer between the panes, providing exceptional thermal insulation in a remarkably slim glazing unit.
In many applications, yes. Vacuum glazing can deliver thermal performance comparable to or better than traditional triple glazing while being significantly thinner and lighter, making it particularly suitable for heritage properties.
Yes. In many cases, vacuum glazing can be incorporated into existing timber windows as part of a professional refurbishment or restoration project, depending on the condition and design of the original frames.
Absolutely. Its slim profile closely replicates the appearance of traditional single glazing, making it a popular solution for listed buildings and properties within conservation areas, subject to any necessary approvals.
Yes. The vacuum between the glass panes helps reduce the transmission of external noise, creating a quieter living environment.
For many homeowners, vacuum glazing provides an excellent balance of energy efficiency, comfort, aesthetics, and long-term performance, particularly where maintaining traditional window designs is important.
Our vacuum glazing is designed for long-term durability and is backed by a 15-year guarantee, providing lasting performance when professionally installed and maintained.
For more information, please get in touch with a member of our team by completing the ‘Request A Callback’ form below. You can also download our factsheet here.
We are trusted by homeowners for creating beautiful, bespoke timber windows, doors and outdoor living products.
As in all things, there is no substitute for quality. Excellent product connected to a work ethos of ‘only being as good as your last job’ ensures continued quality of service, hopefully, to an ever expanding customer base.
My door is a visual ‘daily delight’. So pleased that I found my way to your factory door.
Mr Taylor, Billingham
We were delighted with the service offered by all members of the ERW team – helpful, patient, professional and courteous. Even though the windows were not the cheapest we are very happy with them. Well Done!
Mr & Mrs M, Stockton on Tees
I remember visiting your showroom and saying that I wish my windows could be as good as the ones on your display and they are! I am absolutely delighted with them. They have transformed the front of my house. All installation staff involved were extremely polite and professional in their approach. They treated my home with respect and ensured that they cleaned thoroughly after. Please pass on my thanks to them for the quality of work they have done. It has been much admired by so many people, so I will not hesitate to recommend your firm in the future.
Mrs R, Stokesley
A superb job! We’re really delighted with all our new windows. We’d like to thank ERW very much.
The installation team of Craig, Aarron and Joe were very professional, worked well together and got on with the job efficiently to complete everything ahead of time. They were very polite and communicated well with us about the job in hand and the time scale, and we were impressed that they cleared up so well each day before leaving. We would like to thank them for all their workmanship, advice, help and good humour.
The quality of the items made off-site was very high. The 7 windows look really good, they operate well and the finish is excellent. Hopefully, next winter’s gas and electricity bills will show the benefit.
From our initial contact with Stuart and our visit to the showroom, through the technical survey by Andy and the co-ordination by Sophie and Jeff, to the final installation, we’re more than happy with the whole process. We’re so pleased that we chose ERW for our continuing efforts at improving our 115-year-old home. We will certainly come back for the final stage of work on our windows in due course.
Mr and Mrs C, Darlington
High-Performance Double Glazed Timber Sashes Our energy efficient double glazing windows are designed to improve the thermal performance of traditional timber windows while preserving the character of your property. By upgrading existing sash windows with high-performance double glazed timber sashes, you can enjoy greater comfort, reduced heat loss, and lower energy bills without the need […]
Find out MoreMade-to-Measure Secondary Glazing Our bespoke secondary glazing is a practical and effective way to improve the thermal performance, comfort, and acoustic insulation of your existing windows without replacing them. Installed discreetly on the inside of your existing frames, secondary glazing provides an additional barrier against heat loss, external noise, and draughts while preserving the original […]
Find out MoreExpert Sash Window Repairs Our professional sash window repair service helps restore the beauty, performance, and longevity of traditional timber sash windows without the need for full replacement. Whether your windows are suffering from rotten timber, broken sash cords, draughts, or damaged glazing, our experienced craftsmen can return them to excellent condition while preserving their […]
Find out MoreBeautifully Crafted Timber Casement Windows Our bespoke casement windows combine traditional timber craftsmanship with modern performance, making them a popular choice for both period and contemporary properties. Manufactured to your exact specifications, every window is designed to enhance your home’s appearance while delivering exceptional energy efficiency, security, and durability. Inspired by classic Tudor and Georgian […]
Find out MoreYou can reach a member of the team by calling 01642 456167 or emailing info@erwltd.co.uk and we will get back in touch.
Alternatively, you may wish to browse our range of brochures and guides.
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We're not able to carry out installations in your postcode area, however, we can still design and create your door, and you can liaise with a local fitter in your area to install it.
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