
800 x 1500 mm Skylight, Flat Roof, Triple Glazed, Frameless, 61.50kg, UV 0.9
£584.15 Original price was: £584.15.£481.02Current price is: £481.02. incl. VAT

800 x 2000 mm Skylight, Flat Roof, Triple Glazed, Frameless, 81.40kg, UV 0.9
£694.92 Original price was: £694.92.£540.92Current price is: £540.92. incl. VAT















800 x 1800 mm Skylight, Flat Roof, Triple Glazed, Frameless, 73.20kg, UV 0.9
Rated 5.00 out of 5 based on 7 customer ratings
(7 customer reviews)
£625.95 Original price was: £625.95.£502.55Current price is: £502.55. incl. VAT
Prices go up when the timer hits zero.
Details:
The quoted skylight price excludes blinds.
* Glazing Type: Triple Glazed
* Internal glass size: 800 x 1800 mm
* U Value: 0.9 W/m²K
* G Value: 58%
* Noise-proofing value: 39 dB
* Free delivery within London (M25)
* Nationwide Delivery
* 20-Year Warranty
PDFs for Download:

Sold By Manufacturer
56 in stock
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Weight | 73.20 kg |
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Dimensions | 205 × 10 × 105 cm |
Brand |
Saris-Extensions |
Manufacturer |
Saris-UK Ltd |
Color |
Clear |
Size |
800x1800mm |
SPECIFICATIONS
Triple Glazed Skylight / Rooflight 800 x 1800 mm
This high-performance, non-opening frameless skylight is triple glazed with 6mm toughened, self-cleaning glass and a U Value of only 0.9 W/m²K.
The internal quoted glass size is 800 x 1800 mm, see the structural diagram below.
Our Flat Roof Skylights are composed of three distinct layers, each contributing to the unit’s durability and thermal efficiency:
Top Layer: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
Middle Layer: 4 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
Bottom Layer: Stratobel Clearlite 44.2 iplus 1.1 / Laminated glass with Low-E coating EN 14449
- Glazing Type: Triple Glazed
- Internal Glass Size (QUOTED): 800 x 1800 mm
- External Glass Size: 1000 x 2000 mm
- Top Glass Pane: 6 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Spacer Type: 15mm Black Warm Edge
- Air Gap: 15mm 90% Argon Filled
- Middle Glass Pane: 4 mm Planibel Clearlite / Thermally toughened glass BS EN 12150
- Spacer Type: 15mm Black Warm Edge
- Air Gap: 15mm 90% Argon Filled
- Bottom Glass Pane: Stratobel Clearlite 44.2 iplus 1.1 / Laminated glass with Low-E coating EN 14449
- U Value: 0.9 W/m²K
- G Value: 58%
- Net Weight: 73.20kg
- Self-Cleaning: YES
- UV Protected: YES
- Clear Tint
Safety and Compliance: Choosing the Right Skylight
When it comes to choosing a roof light for your home, we know that safety is an important deciding factor.
This product conforms to British Standards & Building Regulations and has all Safety Markings.
It is CE marked which is a certification mark that indicates conformity with the relevant EU directives and standards for products sold within Europe.
Our Skylights can be installed at a maximum pitch of 45 degrees.
Installation Specifications and Recommendations:
- Internal Dimensions: It's important to note that the top pane of glass includes a black border, extending the external dimensions of the unit by 200 millimetres in each direction.
- Creating the Opening: When preparing for installation, allow an additional 10 millimetres internally from upstand to upstand for proper fitting. For example, for a 600 by 900 unit, the opening should be 610 by 910 millimetres internally.
- Upstand Construction: We recommend constructing the upstand (the wooden framework housing the skylight) using two-by-one or two-by-two-inch timbers.
- Foam Rope and Sealant Use: For optimal installation, install foam rope on top of the internal supporting baton, which helps level out weight discrepancies and stress on the glass. We advise using Dowsil 791 black-coloured sealant to create a watertight perimeter around your upstand. Please note that acrylic sealants are not compatible with our units and should not be used.
Find Your Perfect Fit with Our Custom Size Skylight Calculators
Choose our skylights for a superior, clear, and comfortable living environment.
At Saris-Extensions, our Flat Roof Skylights are more than just an architectural feature; they are a fusion of advanced technology, energy efficiency, and sleek design.














Additional information
Weight | 73.20 kg |
---|---|
Dimensions | 205 × 10 × 105 cm |
Brand |
Saris-Extensions |
Manufacturer |
Saris-UK Ltd |
Color |
Clear |
Size |
800x1800mm |
SHIPPING
Free Delivery:
- Available on all orders over £400 within the London (M25) area.
Delivery Times:
- Standard Flat & Pitched Skylights: 3–6 working days.
- Custom Sizes: 3–6 weeks for production and shipping (free delivery).
- Roof Lanterns, Framed Skylights, Electric Opening Skylights, Walk-On Skylights, Skylight Blinds: 10–14 working days.
Delivery Arrangements:
- Delivery is scheduled Monday to Friday, 8 am to 5 pm.
- We’ll contact you to arrange a delivery time once payment is complete.
Shipping Options:
- Enter your shipping address at checkout to view options.
- Within M25: Our drivers ensure safe delivery. We ask that you or your builders are present to accept the order.
- Outside M25: We use external couriers. They will contact you to schedule delivery.
- Extra Economy Shipping: Available for all areas except Northern Ireland and Scotland. In rare cases, you may need to pick up your order from a nearby depot.
Important Notes:
- Products range from 10kg to 280kg. You may need 2–6 people to assist with unloading.
- We are not liable for any damage during unloading, as it’s the customer’s responsibility.
- If no one is available to receive the delivery, we will try to contact you. If unreachable, the order will be returned to our warehouse.
INSTALLATION GUIDE
Step-by-step Installation Guide
Over the years, we've observed numerous errors and poor practices in skylight installations that have led to persistent issues. To help you avoid these pitfalls, we're eager to share our accumulated expertise and knowledge. We highly recommend checking our detailed installation materials to ensure you apply the best practices for a flawless and durable installation.
Structural opening – provided By builder
When selecting sizes for our Skylights, please note that the listed dimensions correspond to the bottom (internal) glass panel. Each skylight's top panel extends an additional 100mm on each side, making the overall externally visible size 200mm larger in both width and length. This design ensures a robust, weather-resistant seal while maximizing the internal visibility and light entry of your skylight installation.
Reviews
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Rated 5 out of 5
7 reviews
Rated 5 out of 5
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Rated 4 out of 5
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Rated 3 out of 5
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7 reviews for 800 x 1800 mm Skylight, Flat Roof, Triple Glazed, Frameless, 73.20kg, UV 0.9
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600 x 1800 mm Skylight, Flat Roof, Triple Glazed, Frameless, 56.40kg, UV 0.9
Rated 5.00 out of 5
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Klint Morgans –
We decided to get a triple glazed skylight for our London home to brighten up our living space. Saris Extension’s team were experts, guiding us through the process. The end result is fantastic, and the difference it makes to our home is incredible.
Colton Davidson –
I’m in awe of the seamless installation process of Saris Extension. Their professionals ensured that the skylight fit perfectly with my roof, maintaining the sleekness of its design. The range of sizes they offer meant I got the ideal fit for my roof space.
Kevin Smith –
Initial problems with the delivery were ironed out very quickly and the Delivery driver was very helpful. Not yet fitted, but the product looks good.
Scott Turner –
Saris Extension’s skylights are a dream to install. Their design, quality, and functionality make my job easier and more enjoyable.
George Jones –
The brightness that our roof window has added to our home is extraordinary. Our house feels more open and spacious, it’s truly remarkable.
Oscar Hill –
Running a roofing business in Bradford isn’t easy, but this company makes ordering rooflights a breeze. Their live chat is always there when you need it, and finding the right size is always a smooth process.
Caoimhe Fitzpatrick –
Couldn’t be more pleased with our flat roof windows. They were delivered quickly, and the natural light they bring in has made the house feel more open.