Few things make a room feel more expensive than curtains that run from the ceiling all the way to the floor. The reason is simple: long vertical lines trick the eye into reading the whole wall as taller, so your ceilings feel higher and your windows look grander — even when they’re standard size.
It’s one of the easiest high-impact upgrades in decorating. Here’s how to do it right.
Why the look works
- Makes ceilings look taller by drawing the eye up the full height of the wall.
- Makes windows look bigger than they are.
- Adds drama and softness that blinds and short curtains can’t.
- Frames a view and anchors the room.
When to use floor-to-ceiling curtains
This look shines in:
- Living rooms and primary bedrooms, where you want a polished, designed feel
- Rooms with standard 8-foot ceilings that you want to feel taller
- Tall or two-story windows that need full-height treatment
- Sliding doors and large windows that call for floor-length panels anyway
It’s less practical directly over a kitchen sink, a radiator, or where furniture sits tight under the window — there, short curtains are the better call.
How high to mount the rod
The single biggest mistake is hanging the rod on the window frame. Instead:
- Mount the rod about ⅔ to all the way up toward the ceiling — typically 4–8 inches above the window frame, or just a few inches below the crown/ceiling for the full floor-to-ceiling effect.
- Go wide, too: extend the rod 8–12 inches past each side of the window so open panels frame the glass instead of covering it. This lets in more light and makes the window look wider.
The mantra designers repeat: hang them high and wide.
Getting the length exactly right
Measure from where the rod will sit down to the floor, then choose your hem style:
- Float (kiss the floor): hems end ½ inch above the floor. Crisp, tailored, easy to vacuum around. Best for most rooms.
- Break (kiss): hems just touch the floor. Soft and forgiving of small measuring errors.
- Puddle: panels pool 1–3+ inches on the floor for a romantic, formal look. Beautiful in bedrooms and formal spaces, but more upkeep.
Because the rod is mounted so high, you’ll need extra-long panels — often 108″, 120″, or custom lengths. Measure carefully (our guide to measuring for curtains helps), and when in doubt, order custom so the length is exact.
A note on fullness
Floor-to-ceiling panels look best full. Aim for total panel width of about 2× the window/rod width so they hang in rich folds rather than flat sheets.
Frequently asked questions
How high should you hang floor-to-ceiling curtains?
Mount the rod high — 4 to 8 inches above the window frame, or just below the ceiling/crown for the full effect — and extend it 8–12 inches past each side of the window.
What length curtains do I need for floor-to-ceiling?
Measure from the planned rod height to the floor. Because the rod sits high, you’ll usually need extra-long panels (108″, 120″, or custom). Order custom for an exact fit.
Should floor-to-ceiling curtains touch the floor?
Yes — choose to float ½ inch above the floor (tailored), kiss the floor (soft), or puddle for a formal look. Avoid leaving them short, which breaks the tall-line effect.
Do floor-to-ceiling curtains make a room look bigger?
Yes. The unbroken vertical line makes ceilings feel higher and windows larger, which makes the whole room feel more spacious.
Get the dramatic look — with the perfect length
Floor-to-ceiling curtains are all about getting the height, width, and length right. Custom panels make it foolproof.
👉 Shop our drapery collection, or book a free consultation and we’ll measure and recommend the right length and fullness for your ceilings.