By the Sill Shade workroom team — this is the single most common request we get from renters, and it is easier than it looks.
To hang curtains over vertical blinds, mount the curtain rod outside and above the blind headrail — about 4 inches above the headrail and 8 to 12 inches wider than it on each side. That clearance is the whole trick: the vanes need room to rotate and stack without touching fabric, and the curtain needs to open past the glass. Nothing about the blinds has to change, which is exactly why this works in rentals. The rest of the slatted family — verticals included — is mapped in our guide to the types of blinds.
Why Cover Vertical Blinds at All
Builder-grade vertical blinds are on nearly every sliding door and wide window in American rentals, and they have two problems: they look institutional, and they leak light badly at the edges. Curtains fix both without touching the landlord’s hardware. You get warmth and texture in the room, better light control at night, and — because the blinds stay exactly where they are — nothing to restore at move-out.
The Clearance Numbers
| Measurement | Clearance needed | Why |
|---|---|---|
| Rod height | 3 to 4 inches above the headrail | Brackets must clear the headrail and any valance |
| Rod width | 8 to 12 inches past the headrail per side | So open curtains stack off the glass, not over the blinds |
| Bracket projection | 3 to 6 inches from the wall | Vertical vanes rotate — fabric must not touch them |
| Panel length | Floor length, floating half an inch off | Panels usually cover a slider, so they move daily |
Bracket projection is the number people miss. A standard curtain bracket sits about 3 inches off the wall — fine for a flat window, too tight over a vertical blind headrail plus rotating vanes. Buy extension brackets (sometimes sold as standoff or projection brackets) if your blinds sit proud of the wall.
How to Mount, Step by Step
- Measure the headrail, not the window: its full width and how far it projects from the wall.
- Mark the rod height 3 to 4 inches above the top of the headrail, or higher if there is wall available — the higher the rod, the taller the room reads.
- Mark bracket positions 8 to 12 inches past each end of the headrail. Check with a level.
- Test the vane rotation before drilling. Hold the rod in place and rotate the blinds fully open and fully closed. If a vane brushes where the fabric will hang, you need deeper brackets.
- Anchor properly. These spans are wide and the fabric is usually heavy. Studs where possible, toggle bolts where not, and a center support on any span over 60 inches.
If You Cannot Drill
Some leases forbid holes entirely. Two options that clear a vertical blind headrail: over-the-frame brackets that hook onto the window trim (the strongest no-drill choice, 15 to 20 lbs), and heavy-duty adhesive hooks for light panels only. Tension rods do not work here — there is nothing to brace against outside the frame. Full weight limits in our guide to hanging curtains without drilling.

What to Hang
Because the blinds already handle light control, the curtains are mostly doing aesthetic work — which frees you to choose lighter fabric than you otherwise would. Linen or cotton in a light-filtering weight is our usual recommendation: it softens the room without adding a second layer of darkness.
If the blinds leak too much light at night, then go the other way with a lined or blackout panel and let the curtain do the real work. Either way, use a header that glides — grommet or ring clips, not rod pocket — since these panels usually cover a door you walk through. Comparison of all headers in our types of curtains guide.
3 Mistakes to Avoid
- Mounting the rod too close to the wall. The vanes rotate into the fabric and both wear out. Check clearance before you drill.
- Rod no wider than the headrail. Open panels then sit over the blinds, and the window looks permanently half-shut.
- Removing the blinds instead. Tempting, but in a rental you now own a storage problem and a reinstall at move-out. Cover, do not remove.
Replacing Horizontal Blinds with Curtains Works the Same Way
The same logic covers the flat, slatted kind. If the horizontal blind is yours to remove, removal is usually two bracket screws and five minutes — take it down, keep the parts in a labeled bag for move-out day, and hang the rod on proper anchors. If it has to stay, mount the rod above the headrail on brackets with enough projection that the fabric hangs clear of the slats’ tilt swing — about 4 inches of clearance does it for a standard 2-inch blind. Either way, the curtain drop still measures from the rod down, not from the old blind.
The Clearance Numbers That Make It Hang Right
A vertical blind headrail sits roughly 1.5 inches deep, and the vanes need 3.5 to 4 inches to swing freely. So the bracket projection you want is at least 5 inches — the standard 3-inch bracket in the curtain aisle is exactly why layered curtains bulge in the middle. Set the rod high (4–6 inches above the headrail if the wall allows), run it 8–12 inches past the frame each side, and the blinds disappear behind fabric even with the panels open.
FAQ
Can you hang curtains over vertical blinds?
Yes. Mount the rod outside and above the headrail with enough bracket projection that the vanes can rotate freely. The blinds stay untouched.
How far above vertical blinds should a curtain rod go?
3 to 4 inches above the headrail at minimum, higher if wall space allows.
What kind of brackets do I need over vertical blinds?
Extension or standoff brackets with 3 to 6 inches of projection, so fabric clears the rotating vanes.
Do I need to remove vertical blinds to hang curtains?
No — and in a rental you should not. Curtains mounted outside the headrail cover them completely when closed.
What length curtains over vertical blinds on a sliding door?
Floor length, floating about half an inch above the floor. See our sliding glass door guide for the exact panel sizes.
Related: hanging curtains without drilling · sliding glass door curtains · how to hang curtains · all curtain guides · blinds guides