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No matter where you choose to install your roof light; you want to know that it will be safe, secure and energy efficient. A large factor in ensuring that these needs are met is in the thickness of the panes that make up your unit.

Whether it is being installed to the roof as a fixed, opening, or Eco model, or if you are adding a Walk On unit to your basement or terrace, there are a few factors to bear in mind to make certain that the glass is dense enough for its purpose.

The importance of thickness

Like windows, roof light performance is covered by building regulations and to comply must meet a minimum U value of 1.8 W/m2K. If the panes are not well insulated, you will lose heat from your home in the colder months, and gain it in the warmer ones. Thicker glass will perform better when it comes to the flow of heat, which will save you money on energy bills for central heating or air conditioning.

On top of this, peace of mind is granted from the security of density. A poor performing unit can act as an additional entry point for thieves or a weak spot for environmental damage.

The measurements

When shopping around for the right roof light for your home, it is likely you will come across various measurements for the glass. Not every supplier will provide you with the optimum measurements as standard so never be afraid to ask questions. You don’t want to end up paying extra for what you can get elsewhere without an additional cost.

Glazing and glass type

The type of glazing is also important to consider. Almost all products on the market are DGU (double glazed units) as single glazing would simply not do the job of keeping your home secure and warding away the elements.

In fixed and opening roof lights 4mm thick glass is just not sufficient and you should insist on 6mm in any glazed roofing product. The vast majority of roof lights on the market rely on 2 toughened glass panes, however at EOS, we feel an outer pane of toughened and inner pane of laminated glass offers significant security benefits.

Walk On units should naturally have a thick outer pane in order to bear the necessary impact. At EOS, ours Walk On roof lights come as standard with a 50mm double glazed unit, comprising of a 25mm toughened & heat strengthened laminated outer pane and 8.7 mm laminated low e inner pane.

Depending on the product, the structure and make up of the glass will be slightly different to suit its purpose, On Eco models the glass will be triple glazed with a cavity that is injected with Krypton or argon gas which significantly improves its energy efficiency. Again, the outer pane will be toughened, with a laminated inner one to reduce the chance of damage.

All of our roof lights are made with high criteria specifications as standard. If you want to know more about the glass we use, or have any other questions before choosing your product, call us today on 0208 462 3557 or take a look at our Fixed, Opening, Eco, or WalkOn Rooflights pages for more information and to see our stock sizes.

By EOS Rooflights

4.82 Average

149 Reviews

Alan Oliver

Good product, delivered on time, and looks great in our new flat roof extension.

Posted 5 days ago

Mike Guirguis

I actually bought my roof lights on the back of EOS’s reviews section, and now my extension is nearing completion, (finally) I wanted to pass on my experience. I couldn’t be happier with my decision, its clearly a very high quality product and they look amazing in our new kitchen. They are heavy so make sure you have lots of strong guys on site. The staff are all very helpful and seem very knowledgable. Highly recommended them.

Posted 1 week ago

Nicole Gray

Excellent customer service. Really took the time to listen to our needs and help us find exactly what we wanted, within the time schedule from our builders. They were also flexible as the schedule shifted and always available for any questions. And beyond that, our roof lights look so amazing! So, I'm a very happy customer.

Posted 1 week ago

Ben Jennings

EOS were very helpful during the sales process, liaising directly with my builder to confirm requirements (when I was way out of my depth). My builder’s feedback post installation is that the windows are heavy duty and top quality, even when compared with more expensive options he’s fitted in the past. He’ll be recommending EOS for future builds.

Posted 1 week ago

Bill Greenaway

Product was just as promised and delivery and information excellent. We are very pleased with it.

Posted 1 week ago

Jason Berry

Really helpful when I called to order my roof lights explaining delivery info, weights, fitting instructions etc.., Really accommodating in facilitating a specific delivery time and date (at relatively short notice); finally the finished product, robust, elegant and fantastic. First class.

Posted 2 weeks ago

Andy

Very competitively priced!! Went the extra mile to help me out and gave all the support, advice and technical details that I needed for our project (Triple glazed - PassivHaus project) Will be sure to use EOS on any further Rooflight orders!!

Posted 2 weeks ago

Anonymous

Lovely skylight... I bought the fixed 1500*1000 and opening 1500*1000, both with upstands. Thanks to Chris for all his help. Tex - DA8

Posted 2 weeks ago

Ollie Quaie

EOS were very helpful to me from my first inquiry to the order to the delivery. They phoned me back promptly with any additional information I needed. High standard of window which I’m very happy with and also competitively priced.

Posted 3 weeks ago

Sarah Miller

EOS offer a great range of products with good prices and stock availability. The team in the office are very helpful and nice people to do business with.

Posted 3 weeks ago

Anonymous

Very well made rooflights.

Posted 3 weeks ago

Steve Goward

Excellent product with a very high finish. EOS were very helpful and we are delighted with the rooflight we ordered. Our room looks amazing now we have so much light flooding in to it. We looked at lots of suppliers but we are glad we chose EOS on recommendation from our builder who had used them before.

Posted 3 weeks ago

Mark Cunningham

The service provided by EOS Rooflights was absolutely outstanding. From the communication via e-mail and telephone, to the quality of the product, I could not fault them one bit. We have now had our rooflights fitted and they look amazing! The joiner said the instructions were easy to follow and the rooflights themselves were easy to fit. Amazing!

Posted 1 month ago

Jake Thomas

We met EOS at the Homebuild Show in Birmingham as we wanted to see the rooflights before we bought them for our extension. We met with Elliot who answered all of our questions and helped out with our plans, as one of the sizes needed amending. The rooflights look beautiful in our kitchen. I would highly recommend EOS to anyone, especially if you this is your first build. Elliot couldn't of been more helpful with answering our queries.

Posted 2 months ago

Anonymous

Excellent product, very stylish and good quality

Posted 2 months ago

Anonymous

Our roof light with rain sensor add so much to our new extension. The window is great. EOS were a great help with waiting for our builders to be ready to install.

Posted 2 months ago

Tim Harris

The EOS rooflight we have installed is fantastic, the light within the room now is beautiful, the rooflight itself is a modern, slick design, it has transformed the space!

Posted 3 months ago

Anonymous

The finish is very good and the rooflight looks lovely. However, my builder has advised to be prepared for it to be a bit fiddly to fit. Now it is up, it looks great and is definitely how I had hoped it would look. Well worth the purchase.

Posted 3 months ago

Gavin Ward

Great product, excellent customer service, very easy process from order to installation. My builder has already recommended this product to other customer and is the best he has fitted!

Posted 3 months ago

James Fraser

High quality products

Posted 3 months ago

Rob O Carroll

Fantastic. Product really well made. And. Finished to very high standard

Posted 4 months ago