Sliding patio doors need coverings that move with the door and stay find

Covering a sliding patio door is different from covering a regular window because the door itself moves. You need something that either slides out of the way when you open the door, stacks to one side, or rolls up and down without blocking the track. The most practical options are sliding panel track systems, vertical blinds, roller shades, and curtain rods mounted above the frame. Each has trade-offs between light control, privacy, ease of use, and how much space they take up when open.

The right choice depends on how often you use the door and what you want the covering to do. If you open the door multiple times a day, a panel track system or vertical blinds that slide to the side will be less annoying than a roller shade you have to raise and lower each time. If you rarely use the door and mainly want to block light and heat, a roller shade is simpler and cheaper. If you have wall space on both sides of the door, curtains give you the most flexibility to adjust light and change the look.

Key Takeaways

  • Sliding panel track systems mount above the door and slide on a track parallel to the door itself, so they move with it without blocking the opening.
  • Vertical blinds hang from a rail and stack to the side, taking up minimal space and working well in tight corners or when you want adjustable light.
  • Roller shades roll up into a compact tube at the top and work best when you want a clean look and don't need the door open often.
  • Curtain rods mounted high and wide let fabric stack completely to the sides, but require more wall space and regular adjustment.
  • Measure the exact width and height of your door frame opening before ordering, because sliding doors come in standard sizes and custom fits are expensive.

Sliding panel track systems: the most practical choice for active doors

A sliding panel track system (also called a sliding panel blind or panel track blind) is a rail mounted above your patio door that holds fabric panels. The panels slide on a track just like your door does, so when you open the door, you slide the panels to the side at the same time. This is the most popular choice for doors you use frequently because nothing blocks the opening or the track.

Panels are usually made of fabric or a semi-sheer material and come in widths of 24 to 48 inches. You can stack multiple panels if your door is wide, and they stack neatly to one side or split to both sides. Most systems use a straightforward hand pull or a wand to move them. Installation requires mounting a rail above the door frame, which means drilling into the header or wall—a job most homeowners can do with a drill and level, though you may want a professional if your wall is plaster or if you're unsure about finding studs.

The cost for a panel track system typically ranges from $200 to $600 depending on the width of your door and the quality of the fabric. Some systems come with motorized options that let you open and close the panels with a remote or wall switch, though these cost more and require an electrician to install.

Vertical blinds: adjustable light control in a compact footprint

Vertical blinds hang from a rail and have individual slats that run top to bottom. They stack to one side when you open the door, taking up very little space. You can tilt the slats to control how much light comes in without moving the blinds themselves, which makes them good if you want privacy and light control at the same time.

Vertical blinds work especially well in tight corners or when your patio door opens onto a narrow space. They're also one of the cheaper options, usually $100 to $300 for a standard door. The downside is that the slats can rattle in wind if your door is near the outside, and they collect dust more easily than solid panels. They also require more frequent cleaning. Installation is similar to panel tracks—you mount a rail above the door—but the rail is narrower and lighter, so it's usually easier to install.

Roller shades: straightforward and clean for doors you don't open often

A roller shade rolls up into a compact tube at the top of your door and pulls down when you want coverage. They give a clean, minimal look and take up almost no space when raised. Roller shades work best if you don't open your patio door very often, because you have to raise the shade every time you want to use the door.

Roller shades come in blackout, room-darkening, and sheer fabrics. Blackout shades block nearly all light and heat, which can help with cooling costs in summer. They're also the cheapest option to buy and install—many can be mounted inside the door frame with just a screwdriver, no drilling into walls. Prices usually run $75 to $250 depending on the size and fabric type. The trade-off is that they offer no adjustable light control; you either raise them or lower them completely.

Curtain rods and fabric panels: maximum flexibility if you have wall space

Mounting a curtain rod high and wide above your patio door lets you hang fabric that stacks completely to the sides when you open the door. This gives you the most flexibility for light and privacy control, and you can change the look by swapping fabric panels. It's also the most forgiving option if your door frame is an unusual size.

The downside is that you need wall space on both sides of the door for the fabric to stack into. If your patio door is in a corner or next to furniture, curtains won't work well. You also have to manually move the panels every time you open or close the door. Installation requires a sturdy rod and brackets rated for the weight of your fabric—heavier fabrics need stronger hardware. Mount the rod at least 12 inches above the door frame and extend it 12 to 18 inches beyond the frame on each side so the fabric clears the door when stacked. A basic rod and brackets cost $30 to $100, and fabric runs $10 to $25 per yard depending on the type.

Measuring your patio door for the right fit

Before you order any covering, measure the exact width and height of your door opening. Measure at three points—top, middle, and bottom—because door frames are sometimes slightly out of square. Write down the smallest width measurement, because that's the one that matters for fit.

For panel tracks and vertical blinds, measure the width of the opening and the height from the top of the frame to the floor. For roller shades, you can measure inside the frame (for an inside mount) or outside the frame (for an outside mount). Inside mounts look cleaner but leave less room for the shade to roll up. Outside mounts cover more of the wall but give you more space to work with. If your door frame is damaged, warped, or not square, an outside mount is usually easier to install. Take a photo of your door and the measurements with you when you shop, so you can compare options in person if needed.

Installation: what you can do yourself and when to call a professional

Most sliding door coverings can be installed by a homeowner with basic tools. Panel tracks and vertical blinds require drilling into the wall above the door to mount the rail. If you're comfortable using a drill and a level, and you can locate studs with a stud finder, you can do this yourself. Use the hardware that comes with the system and follow the manufacturer's instructions exactly—the rail has to be level or the panels won't slide smoothly.

Roller shades mounted inside the frame are the easiest—usually just screwing brackets into the frame itself. Curtain rods are also straightforward if you have solid wall space. Call a professional if your wall is plaster (which cracks easily), if you can't locate studs, if your door frame is damaged, or if you're not confident drilling into your walls. A professional installation usually costs $150 to $400 depending on the system and your location. Some retailers offer installation as part of the purchase, so ask about that option when you buy.

Maintenance and common problems

Panel tracks and vertical blinds need occasional dusting and should be vacuumed with a brush attachment every few months. If panels start to stick or slide unevenly, check the track for dust or debris and wipe it clean with a dry cloth. Don't use water or cleaner on the track, as it can cause rust or corrosion.

Roller shades should be dusted regularly and rolled up and down a few times a month to keep the mechanism working smoothly. If a shade won't roll up or down evenly, the spring inside may need adjustment—most manufacturers include instructions for this, or you can contact them for help. Curtains should be vacuumed or gently brushed to remove dust, and washed according to the fabric care label. If a curtain rod sags over time, check that the brackets are still tight and that the wall studs haven't shifted.

Frequently Asked Questions

Can I use regular curtains on a sliding patio door?

Yes, if you mount the rod high and wide enough that the fabric stacks completely to the sides. The rod should be at least 12 inches above the door and extend 12 to 18 inches beyond the frame on each side. This works best when you have open wall space, not when the door is in a corner or next to furniture.

What's the best covering if I want to block heat and light?

Blackout roller shades or blackout panel track fabric block the most light and heat. Roller shades are simpler and cheaper, but you have to raise them every time you open the door. Panel tracks let you slide them to the side instead, which is more convenient if you use the door often.

Do I need to remove the covering every time I open the door?

No. Panel tracks and vertical blinds slide to the side as you open the door, so they move with it. Roller shades you have to raise, and curtains you have to move by hand. If you use your patio door frequently, panel tracks or vertical blinds are more convenient.

What if my patio door is an unusual size?

Curtains are the most forgiving option because you can mount the rod anywhere and adjust the fabric width. Panel tracks and vertical blinds come in standard widths, and custom sizes are expensive. Roller shades can be cut to width by the manufacturer, usually for a small extra charge.

Can I install a covering on a sliding glass door that's already in the wall?

Yes. All of these options mount above or around the existing door frame without removing the door. Measure carefully and follow the manufacturer's instructions for your specific system. If you're unsure about drilling into your wall, a professional installer can handle it.