Window height from floor and height of tray and coffered ceiling

lniaMay 30, 2012


We have made some changes to our prints due to the fact that coffered ceiling in den was not accounted for nor tray ceiling in determining height of windows for these rooms.

We have 9 foot ceilings. We were planning on doing tray ceiling in dining room. From what I understand, the height can be whatever we want (6inches to 1 foot). Our window for this room was originally 7 1/2 or 8 feet (3- 6feet panes, 1- 18-24inch arched transom). We have since changed the panes to 5 feet and have opted for 3-square 2ft transoms.

Any advice on the tray ceiling height and then as a result, where the opening should start for the window from the floor? Anything we should consider in making this decision?

We have similar issue/question in den except for the fact that we have coffered ceiling.

The dining room and den windows needs to match each other.

As always, thank you for your input.

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Jack Kennedy

do you know the size of your baseboard and crown moldings? That would be my starting point. I have arched top windows in my sunroom. The base of the window sits inside the baseboard molding. Meaning that the baseboard molding comes up above the window molding. The crown molding touches the top of the arched window molding. Overall, it looks cramped.

I'd figure up the molding heights for the base crown and your windows as well as the spaces between the windows and then see how much space you have left.

    Bookmark   May 30, 2012 at 9:38PM
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Jack Kennedy

I think your local code might dictate how far away from the opening the light switch should be...... It's much easier to move a light switch now than it would be with final finishes in place. He's just being lazy not wanting to move it.

    Bookmark   May 30, 2012 at 9:46PM
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I think you need to consider the outside elevation of the house when you consider window height as well as the inside. It's hard to say what is "correct" without considering both aspects, I think.

    Bookmark   May 30, 2012 at 10:32PM
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All good points. My thinking right now is 8 inch for coffered and tray ceiling. If we start windows 1 ft from the floor this will leave enough room for windOw trim and molding - assume 5 inch for molding and 4 inch forwindow trim. So the top of the window would be at 8 ft. Add trim and you are at 8ft 4 in right at the start of the tray ceiling. Do you think the window from and tray ceiling should have a slight separation?

    Bookmark   May 30, 2012 at 11:26PM
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Don't forget that if your windows are within 18" of the floor the glass must be tempered which will increase the cost of the windows.

    Bookmark   May 31, 2012 at 7:57AM
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Yes but not if they are within 9 sq feet visible glass. My 5 ft and 2 ft transoms are less.

    Bookmark   May 31, 2012 at 1:51PM
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