THE WARRANTY WILL BE VOID IF A FOAM ROPE IS NOT USED AND NOT PURCHASED FROM US.
Double Glazed Framed Roof Window 800 x 1800 mm
£290.53 – £787.00
11 sold in last 10 hoursSkylights Outlet strives to provide the best deals in the market for your new skylight
Glazing Type: Double Glazed
U Value: 0.9 W/m²K
G Value: g [%] 64
Glass Tint: Clear
Self-Cleaning: Yes
Internal Size: 800 x 1800 mm / External Size: 1000 x 2000 mm
1 × Foam Rope – Structural Glazing Tape – 9mm Thick (7.5m Rolls)
£17.00
1 × Lead Flashing Smooth 45cm x 5m Roll Grey – Easy-Trim
£89.00
1 × Lead Flashing Textured 45cm x 5m Roll Grey – Easy-Trim
£89.00
1 × Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml
£14.00
Estimated Delivery: Jan 25 – Jan 29
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Benefits of our Framed Roof lights
Our framed skylights provide numerous benefits for both residential and commercial buildings.
Energy Efficiency
Our skylights offer exceptional thermal performance, ensuring that your building retains heat during winter and stays cool during summer. The double-glazed skylights have a U-value of 1.1 W/m²K, and the triple-glazed skylights have a U-value of 0.9 W/m²K. This high thermal performance reduces your energy costs, providing long-term savings for your building.
High Light Transmittance
The skylights have high light transmittance with the double-glazed skylight having a light transmittance of 81%, and the triple-glazed skylight having a light transmittance of 72%. This means more natural light can enter the building, creating a brighter and more inviting space.
Easy Maintenance
The self-cleaning feature of our skylights reduces the maintenance required for the building. With our skylights, you can avoid the inconvenience and risk of cleaning the exterior of the windows, as the self-cleaning technology takes care of this for you.
Natural Light
Our skylights allow an abundance of natural light into the building, which can improve the overall atmosphere and provide a sense of openness. This is especially beneficial for darker spaces that require additional lightings, such as corridors, stairwells, and inner rooms.
Safe and Secure
Our skylights are designed with safety and security in mind. The non-opening framed skylights and the framed fixed skylights offer high levels of security, ensuring that they are safe from break-ins. Our skylights also have excellent resistance to pendulum body impact, with the double-glazed skylight having a rating of 1C2 and the triple-glazed skylight having a rating of 1C2/1C2/1B1.
Versatile Design
Our skylights have a versatile design that can fit any building style. We offer framed roof lights, which can add an attractive design feature to any building. The non-opening framed skylights can be installed where ventilation is unnecessary. These skylights can be customized to suit your specific requirements, allowing for seamless integration into your building design.
| Light Properties (EN 410) | |
|---|---|
| Light transmittance | 81% |
| External light reflection | 12% |
| Internal light reflection | 12% |
| Colour rendering index | 98% |
| Energy Properties (EN 410) | |
|---|---|
| Total solar energy transmittance | 64% |
| Shading coefficient | 0.74 |
| UV transmission | 0% |
| Selectivity | 1.27 |
| Thermal Properties (EN 673) | |
|---|---|
| U value | 1.1 W/(m².K) |
| Acoustic Properties | |
|---|---|
| Sound reduction - EN 12758 | [dB] 33 (-2;-4) |
| Glass Panel | |
|---|---|
| Top Glass Pane | 6 mm Planibel Clearlite / Thermally toughened |
| Air Gap | 20 mm Argon 90% |
| Bottom Glass Pane | 6 mm iplus 1.1T pos.3 Thermally toughened |
| Spacer Type | 15mm Black Warm Edge |
| Dimensions | N/A |
|---|---|
| Internal Size | 600 x 900 mm, 600 x 1200 mm, 600 x 1800 mm, 800 x 1500 mm, 800 x 1800 mm, 1000 x 1000 mm, 1000 x 1500 mm, 1000 x 2000 mm |
Flat Roof Skylight Installation Guide
Video
– Step by Step
Pitched Roof Skylight Installation Guide
Video
– Step by Step
Structural opening – provided By builder
Bear in mind our Skylights sizes are the sizes of the bottom (internal) glass panel. The top panel is stepped by 100mm on each side, and the overall externally visible size is 200mm bigger in both directions:
For example, only in this guide will we present installation sketches for a Skylight 600mm x 600 mm. For all other sizes, we provide installation sketches in the gallery of each size separately.
DOUBLE/TRIPLE GLAZED SKYLIGHT 600x600mm has the following sizes:
The upstand should protrude a minimum of 150mm above the roof level.
A minimum pitch of 6 degrees relative to the horizon must be provided to avoid water pooling in the middle of the glass panel (for every metre of Skylight a 10cm fall is required). It is worth spending a few extra minutes before applying the silicone to run a water test to ensure the water is not pooling (even though you are installing glass it will still bend in the middle)
Upstand opening should allow for 5mm tolerance on each side:
The internal distance upstand to upstand needs to be 10mm bigger than the quoted skylight size (in our example: 610mm by 610mm)
Skylight Support – provided By builder
The Skylight support is a 25x50mm (2”x1”) timber:
Install the support in such a way that the top of support is as follows:
– Triple Glazed Skylight –
48mm below the top of upstand
Weather the upstand
Apply the roof covering material to cover the external face and top of the upstand:
Once you finish weathering the upstand, you are ready to install the Skylight.
Make sure all surfaces where the silicone will be applied are clean of dirt, dust, moisture, etc.
1.Apply the foam rope on top of the 2”x1” timber support to level off any discrepancies which will prevent any pressure and stop cracking on the bottom glass laminated pane. THE WARRANTY WILL BE VOID IF A FOAM ROPE IS NOT USED.
2.Apply, generously, on top of the upstand weatherproof sealant, usually, 1 tube is enough for 6 linear metres.
3.Lower the skylight with suction cups, and make sure you check the load on each cup.
4.Apply waterproof sealant on the underside of the overhang and smooth it over once more to make sure it is watertight.
For a pitched roof please follow the technical diagram below:
* With regards to the silicones we recommend the following products:
- Black weather silicone – DOWSIL 791 Weatherproofing Sealant
DO NOT USE ACRYLIC SEALANTS!
Be careful what silicones you are using to install and weather tight your Skylight. We recommend the above products as fully compatible with our glazing unit silicones.
A chemical incompatibility between silicones used in manufacturing the glazing unit and installing it can lead to discoloration and/or loss of adhesion to the substrate. This means possible depressurization of the glazing unit (allowing moisture to penetrate inside the glazing unit and internal condense), not sufficient bonding to the support structure, and poor weather tightness (possible leaks).
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Lead Flashing Smooth 45cm x 5m Roll Grey – Easy-Trim
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Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml
£14.00
DOWSIL™ 791 Weatherproofing Silicone Sealant is a one-part, low modulus, neutral curing weatherproofing silicone sealant designed for both commercial and domestic applications. It provides excellent unprimed adhesion to most porous and non-porous surfaces.
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