The fitter arrives at a new four-room flat at ten, tape in one hand and a short length of track in the other. The owners have saved pictures of rippling floor-to-ceiling fabric and assume the look comes from the cloth. It does not. As the visit shows, s fold curtains owe their even, wave-like line to hardware and arithmetic, and following one measuring appointment from doorbell to quotation explains why this heading has become the default request in contemporary homes.
Ten O’Clock: The Track Comes Out First
Before any fabric book is opened, the fitter holds the sample track against the ceiling. Inside its channel sit small carriers joined by a cord at fixed intervals. That cord is the whole secret. Because every carrier is tethered to its neighbour at the same distance, the fabric hanging beneath is forced into equal curves, forward and back, like a ribbon laid on its edge. Pleated headings rely on stitching in the cloth. Here the rail does the shaping.
Measuring Width, Then Multiplying It
The window wall is measured twice, then the number is roughly doubled. This extra cloth is called fullness, and the wave cannot form without it. Too little and the curves flatten into a tired sheet; too much and the folds crowd each other and refuse to sit. The fitter explains that the carrier spacing and the tape sewn along the top edge must match the fullness chosen, which is why the heading cannot simply be added to an old curtain later.
The Question of Where It Parks
Next comes a question most owners have not considered: where will the curtain live when open? Gathered waves take up room, known in the trade as stack-back. On a wide sliding door the bundle may cover a noticeable strip of glass at each side. The fitter marks the wall beyond the frame to show how extending the track past the opening lets the fabric rest over plaster instead of pane, keeping the full view and the full breeze when the curtain is drawn aside.
Ceiling Fix or Wall Fix
He then looks up. A concrete ceiling takes a track directly, giving the uninterrupted drop from ceiling to floor that the saved pictures show. A false ceiling needs either timber backing or a recessed pelmet pocket planned before the carpenter closes it. Wall brackets are the fallback when neither is possible. This is the point at which a showroom for wave heading curtains on ceiling tracks earns its keep, because seeing the three fixings side by side settles the matter faster than any description.
Day Layer and Night Layer
Two parallel tracks are sketched on the fitter’s pad. On the window side goes a sheer, which softens glare and screens the room from the opposite block during the day. On the room side goes a heavier cloth with dim-out or blackout lining for the evening. Both carry the same wave, so the folds nest when the layers are closed together. He allows a gap between the tracks wide enough that the two sets of curves do not rub as they pass.
Which Cloths Hold the Curve
Out come the fabric books at last. The fitter drapes several over his forearm to demonstrate. Medium-weight weaves with some body fall into clean columns. Very stiff material resists the bend and juts outward at the hem; very limp material collapses between carriers. Lining adds weight and helps the folds hang true. Bold horizontal stripes are quietly discouraged, since the wave bends every line and can make a straight pattern appear to wobble across the room.
Hem Height and the Air-Conditioner
He kneels to check the floor. A hem that hovers about a finger’s width above the tiles keeps the columns crisp and stops the cloth collecting dust or catching the robot vacuum. Then he looks at the wall-mounted air-conditioning unit near the window. If the track runs beneath it, the fabric must clear the airflow or the curtain will billow each time the compressor starts. Shifting the track a little further into the room is the usual cure.
Hand-Drawn or Motor-Driven
The owners ask about motors. The fitter notes that this heading suits them well, because the linked carriers already move as one train and pull evenly from the leading edge. A motorised track needs a power point near one end, best arranged while the electrician is still on site. Without a motor, a wand at the leading carrier keeps hands off the fabric. Either way he advises against tugging the cloth itself, which stretches the heading tape over time.
What the Look Asks of Its Owners
Before leaving he is candid about upkeep. The folds are trained in the first weeks by tying them loosely in place when open. After washing, the tape must be re-hooked to every carrier in order or the rhythm breaks. Tracks need an occasional wipe so carriers glide. None of this is burdensome, but it differs from a rod and rings, and households that want to swap curtains seasonally should know each replacement must be made for the same system.
Deciding After the Visit
By eleven the pad holds a width, a drop, a fullness figure, a fixing method and two fabric codes. Those five items, not a photograph, are what a buyer should compare between quotations. Ask each supplier what fullness and carrier spacing they have allowed, how far the track extends beyond the frame, and who returns if the folds hang unevenly. If the answers are specific, s fold curtains will look in the finished room the way they did in the picture.