Able to rotate 180° and position with the in-built barrel bolt, this VELUX GGL MK12 centre pivot roof window can be easily cleaned. It comes available in a wide variety of operation and finishes as well as your choice of glazing. With modern click on covers, you can achieve qu...Read More
Able to rotate 180° and position with the in-built barrel bolt, this VELUX GGL MK12 centre pivot roof window can be easily cleaned. It comes available in a wide variety of operation and finishes as well as your choice of glazing. With modern click on covers, you can achieve quick installations that are safe and simple.
VELUX roof windows have practical top control bars and high-quality pivot hinges for almost effortless operation. The red and blue line bracket system is simple and helps you distinguish between standard and recessed installation, while the presence of dust and bugs is avoided due to the ventilation filter. Pre-mounted brackets make for practical blind installations, where you can just click on the blind and add the pre-cut side channels.
To prevent disturbance, VELUX standard glazing includes great rain noise reduction. The UV filter keeps furniture protected from sun damage and avoids fading, and the toughened glass provides outer panes with strength against environmental factors. To improve safety, safety lamination holds broken glass in place and stops it from scattering.
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Question:
What is the weight of this Velux? Looking to understand the loading on roof compared to tiles.
Answer:
Approx 35kg
Question:
What is the U value of the triple glass?
Answer:
The Thermal transmittance is uw 1.0 and the energy transmittance is g 0.52
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