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Free installation planning tool
Curtain Track Projection Calculator
Estimate how far the curtain track should sit from the wall to clear handles, deep sills, radiators and curtain folds.
Step 1
Choose the mounting type
Step 2
Choose the curtain heading
Step 3
What must the curtain clear?
Step 4
Add installation clearances
Why track projection matters
A track installed too close to the wall can cause the curtains to rub against handles, sills or radiators. Too much projection can make the installation look bulky and place unnecessary leverage on wall brackets.
Questions answered
Frequently asked questions
How far should a curtain track be from the wall?+
It depends on the curtain heading and anything projecting from the wall. The curtain must clear handles, sills, radiators and the wall itself while moving freely.
Should curtains hang in front of a radiator?+
Where full-length curtains pass a radiator, the track needs enough projection to keep the fabric clear. Consider airflow, heat exposure and whether the curtains will be closed while the radiator is on.
Do wave curtains need more projection?+
Wave curtains maintain deeper regular folds, so they usually need more wall clearance than flatter headings.
Should I measure from the wall or skirting board?+
Use the fixed reference surface relevant to the track line, then add the full projection of any sill, handle, radiator or trim that the curtain must clear.