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Stack space and clearances: the details that make curtains hang right

Why a good measure looks beyond the window frame — stack space, returns, clearances and floor finish.

The Main Room Team
2 Apr 2026
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A curtain that is made beautifully can still look wrong if the practical details are missed. Most of them are settled at the measure.

Stack space

When a curtain is open it gathers into a stack. Allowing room for that stack beyond the window frame keeps the glass clear and lets in the most light.

Clearances

Skirting, window handles, air-conditioning vents and furniture all affect where a track can sit and how far a curtain projects from the wall.

Floor finish

Curtains can hover just off the floor, kiss it, or break onto it. The finish depends on the look you want and the fabric — and on the final floor level, which is worth confirming during a build.

Getting it right

We measure on site, check these details with you and record them in the specification, so the curtains are made for the window they are going to.

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