Roof Windows

[Fleur Francour]

FAKROmanufactures a range of roof windows that transform attics into comfortable living spaces. The main difference between a roof window and a skylight is that a roof window opens like a regular window on side hinges or pivoting at the center or top. Roof windows operate manually with the turn of a handle and are also available in electrical versions.

A crucial part of our complete system. VELUX skylight flashing kits are designed to shed water without relying on sealants that can break down over time. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes.

VELUX has a range of accessories that can be a great help if you have a skylight that is hard to reach or if you simply want to give your VELUX skylight a touch-up. We also offer accessories that can adapt your current skylight to fit more recent products.

Enjoy panoramic views while increasing your energy efficiency and natural ventilation. Greatly increase the amount of natural light in your rooms. Convenient bottom operation - the perfect choice for loft conversions with windows in easy reach.A top hinged roof window is easy to operate even with furniture placed directly under it. And without compromising the easy operation, you can install it lower to get an excellent view both when standing and when seated.

GGU roof windows are only available for special order. Convenient - even with furniture placed beneath the roof window. Easy to open and quick to close with the top control bar. Low installation allows for more flexibility and better views.Ideal for rooms with a high humidity like kitchens and bathrooms but they will fit in nicely in any room because of their modern and contemporary look.

Balcony in seconds Terrace - a door to the outside Top half opens like a traditional roof windowAdd extra daylight, fresh air and direct access to the outdoors with these innovative windows. If you'd like to add a balcony to your home or choose a roof terrace window to make use of unused roof space the VELUX Roof Balcony is right for you.

Skylights are more energy efficient than other windows, as they keep your home cooler in the summer and warmer in the winter due to their natural insulation. Skylights are also generally inexpensive, which makes them a better option for those on a budget. Installing skylights requires minimal effort when compared to the installation of roof windows.

Roof windows offer abundant natural light, creating a warm and inviting atmosphere. They can also be adjusted to provide direct sunlight into specific areas of the room for the purpose of reading or studying.

Roof windows open but skylights do not. Seems simple, but the differences do not stop there. There are actually two different kinds of roof windows. Roof windows also come with two different types of glazing: single or double pane glass. A single pane has a clear view of the outdoors, while a double pane increases its insulation capabilities.

Skylights also come in two varieties, fixed skylights, and vented skylights. Vented skylights can be opened for increased airflow. A vented skylight is not quite the same as a roof window because it does not incorporate a pivoting awning-style mechanism for opening.

Norman is a leader in the window treatment industry, providing customers with an expansive collection of on-trend premium custom products to cover skylights while allowing their natural beauty to shine.

Our best-selling cellular shades are energy efficient, and offer superior insulation. PortraitTM Honeycomb Shades are available in an array of colors, prints and patterns, and feature a SmartFitTM with Frame option meaning you can easily find the perfect style and fit for any wide window.

In the end, it depends on your style and if ventilation is a must in your space. If you opt for Skylights, Norman is your ally. When it comes to skylights, the location of your skylights can make or break the amount of light let in and how it benefits the space. You can enjoy incredible views while also protecting your privacy with these on-trend window coverings.

From some light research I think the problem is a combination of nested window families and the cut plane. But when I tried to change the cut plane in the parent family, I realized the window is set up on a flat roof (instead of a vertical roof, more like a wall), and therefore the cut plane is parallel to the window itself. I can't seem to easily rotate the family or change the slope of the roof in the family.

Plan - convert Roof Hosted window to Wall Hosted - CTRL-C CTRL-V all the geometry from this family into a Generic Model template, make sure that the geometry and basic parameters are right, then insert into a Wall Hosted window family template, complete the parameters. One advantage to this approach is that you end up with much fewer redundant parameters that manufacturers insist on adding to their families.

If the windows are really meant to be parallel to the cut plane, then maybe Plan Regions? Maybe the RCP would be representative enough? Maybe an overlay to show the location of the windows? Ah, decisions, decisions.....

I do not want them to be parallel to the cut plane, that is just how the original family is set up. In fact, I think I need them perpendicular to the cut plane, so that they are actually cut when viewed in plan.

I didn't receive a true solution to my problem. One was a workaround, which would require a lot of unnecessary effort given the number of windows in my project. The other may be plausible, but I was not able to get it to work. I don't want to accept either suggestion as a solution, given that neither really solved the issue.

It seems like you are introducing a more complex design when a simpler one would work fine. There's no reason you can't use a cathedral ceiling if it's done correctly. For five design options, see -cathedral-ceilings-that-work.

But maybe you're really asking how to make the home interior brighter. One option would be to do a lighting design and use LEDs that replicate natural light with good color rendering. (Some "bulbs" are tunable as well, which would allow you to program them to produce a more natural lighting effect based on the time of day.)

The big complication is that all your roof loads now fall in a location where you would prefer to have open interior space, meaning you have to pick them up with posts and beams that otherwise wouldn't be necessary.

Offset shed roofs were quite popular in the PNW in the 70s or 80s. Their disappearance had a few causes.

-The high cathedral roof only worked when the space below was one open room. Dividing that space below was difficult.

- The quality of light coming fr0m a long narrow slit was never that great.

- The high clerestory windows trapped heat and were difficult to operate.

- The exterior of the houses never looked great.

Working in the PNW, my own preference is to bring light down into the interior in selected spots using either roof lanterns or shed dormers. Here is a photo of a house I designed using those strategies where the chimney doubles as a roof lantern.

Following Steve Knapp's suggestion re using lighting to brighten the house - IMO good lighting design starts with light that is reflected, preferably off a white ceiling. Reflected light reduces glare and makes it easier to see for a given amount of light. Cove lighting is one way to incorporate uplighting.

I agree with the notion of reflected lighting--that's in part why I thought this design would be attractive, because depending on how the windows and pop up roof section are configured, most of the light would be reflecting off of the walls of the pop up section.

There is one more alternative. I used two 18' Sun Tubes from Natural Light: I used the crystalline diffuser; they yield a really surprising amount of light ( equivalent to a 1000 watt incandescent bulb) and you can place them just where you want them.

The NL sun tubes include no particular provisions for thermal performance or air sealing, but they were small enough in area not to hurt us too much in the energy model. We got a good blower-door test.

I realize natural light is preferable, but regarding LED lighting, I recommend reading this article by David Warfel, a lighting designer I have worked with (be sure to open the pdf version for the meat of the information): The Lighting Power of LEDs.

It's a great article! Would you consider doing a follow-up on one regarding PWM dimming? It's very common in LED lighting and unfortunately triggers migraines for a lot of people: -Pulse-Width-Modulation-PWM-is-such-a-headache.270240.0.html

I live in Germany and we have a lot of snow on our roofs. In my room, I have a roof window, which is tilted such that the snow just stays on top of the window and I can't open the window anymore. This is very unpleasant because even if there is sunshine outside my room stays dark.

I thought about buying an infrared lamp and pointing it from the inside, through the window at the snow. But I am afraid that a lot of light will be absorbed/reflected by the glass and only a tiny fraction of the emitted energy will actually melt the snow.

If the snow is very heavy then I doubt that you will be able to apply enough force to push it without breaking the attraction to the inside part - but at least the outside part won't fall off the window, because it will be held on by the snow.

In addition, if you place an uplighter lamp under the window when snow is expected, there could be enough heat rising to melt any snow that falls before it can build up, by keeping the glass warmer than usual.

I know the window is double-glazed to reduce heat loss, but it might only need a small rise in temperature to melt the snow as it falls, so it can run off. The outer pane's temperature has only to be kept above freezing.

I have actually used a light bulb for a similar purpose. The water tank in my chilly old flat was in the bathroom and in the winter I kept the door shut and a lamp burning to prevent it freezing. My neighbours laughed at me: he thinks he can heat a room with a light bulb. But they weren't laughing when the freeze came and they were knocking at my door with kettles and buckets. The light bulb made just enough difference to prevent the tank from freezing.

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