Your windows are wider than 48 inches and nothing at the store fits. Standard blinds max out at 36-48 inches wide, which leaves you with bare picture windows, sliding glass doors, and floor-to-ceiling walls of glass. Large windows need different solutions — wider shades, stronger mounting hardware, and sometimes a completely different type of window covering.
Our top pick for most large windows
Cordless roller shade in a wide size (available up to 72-96 inches). Roller shades handle wide spans better than cellular because the fabric rolls onto a tube rather than stacking. Smooth operation, modern look, and available in blackout or light-filtering fabric. Starting around $40-70 per window.
Quick comparison: our top picks
The challenges of covering large windows
Large windows aren't just wider versions of standard windows. They create specific problems that require specific solutions:
- Weight. A 72-inch-wide shade is significantly heavier than a 36-inch one. The mounting brackets need to be secured into wall studs or the window frame — not just drywall anchors. A falling shade can damage the shade and the window.
- Operation. Raising a large cordless shade takes more effort. Spring mechanisms strain under the weight of wide fabric. Motorized operation becomes practical rather than just convenient at widths over 60 inches.
- Fabric sag. Cellular shades wider than 60 inches tend to sag in the middle because the honeycomb fabric isn't rigid. Roller shades handle width better because the fabric rolls onto a rigid tube.
- Cost. Expect to pay 2-3x more per window for large sizes compared to standard 36-inch blinds. Custom sizing may be required for non-standard dimensions.
Detailed reviews
Best Overall — Wide Cordless Roller Shade
Price: ~$40-70 per window | Amazon Target
Roller shades are the best general-purpose solution for large windows. The fabric wraps around a rigid aluminum tube, which prevents the sagging that plagues wide cellular shades. Spring-assisted cordless mechanisms handle the weight well up to about 72 inches. Available in blackout, room darkening, and light filtering.
What it does well: Clean, modern look on large windows. No fabric sag. Smooth cordless operation. Wide size selection in standard widths. Easy to wipe clean.
What it doesn't: Less insulation than cellular shades. The spring mechanism can feel stiff on the widest sizes. Limited to about 72-96 inches wide depending on brand. Light gaps on the sides require outside mount or light-blocking strips.
Who should buy this: Anyone with picture windows, wide bedroom windows, or modern home aesthetics. The default choice for large windows when you want function and style. How roller shades compare to cellular →
Best for Insulation — Wide Cordless Cellular Shade
Price: ~$50-80 per window | Amazon
If your large windows are also your biggest source of heat loss, cellular shades are worth the trade-offs. The honeycomb air pockets provide the best insulation of any blind type — up to 40% reduction in window heat loss. Available in widths up to about 60-72 inches for most brands.
What it does well: Best energy efficiency for large windows. Excellent light blocking in blackout versions. Cordless and child-safe. Reduces outside noise. See our energy-saving guide →
What it doesn't: Maximum width is limited (60-72 inches). Fabric can sag on the widest sizes. Heavier than roller shades at comparable widths. More expensive. Harder to clean than roller fabric.
Who should buy this: Homeowners with large, energy-inefficient windows. South- or west-facing large windows that take direct sun. Cold climates where window insulation makes a real difference in heating bills.
Splitting wide windows
For windows wider than 60 inches, consider using two cellular shades side by side on separate brackets. The gap between them is minimal (about 1/4 inch) and you get the insulation benefits without fabric sag. This also makes each shade easier to operate. Many manufacturers offer multi-shade headrails that hold two shades with a seamless look.
Best Budget — Vertical Blinds
Price: ~$25-50 per window | Walmart Amazon
Vertical blinds are the classic solution for sliding glass doors and very wide openings. The vertical slats traverse sideways rather than lifting, which means width is essentially unlimited. They're also the most affordable option for large windows.
What it does well: No width limitation. Affordable. Easy to operate on wide spans. Good for sliding glass doors (they don't block the door track). Available at every retailer in standard sizes.
What it doesn't: Dated appearance — they look institutional unless you choose a premium fabric. Individual slats can break or fall off. Poor insulation. Moderate light blocking (gaps between slats). Noise when the slats move in a draft.
Who should buy this: Budget-first buyers with sliding glass doors or very wide windows. Rental apartments where aesthetics are secondary. Any opening wider than 96 inches where horizontal shades aren't practical.
Skip this: oversized standard blinds
Don't try to force a standard cellular or roller shade onto a window wider than its rated maximum. The brackets won't support the weight, the mechanism will strain, and the shade will sag or fail within months. Check the product's maximum width specification before buying. If your window is wider, choose a different type or split into two shades.
Best Premium — Motorized Roller Shade
Price: ~$100-200 per window | Specialty retailers
For large windows that are hard to reach — above furniture, in stairwells, on tall walls — motorized operation eliminates the daily struggle of manually raising a heavy shade. You control it with a remote, wall switch, or phone app. Available in extra-wide sizes up to 120 inches from specialty manufacturers.
What it does well: Effortless operation on heavy, wide shades. Available in the widest sizes. Smart home compatible (schedules, voice control). No physical contact needed — ideal for hard-to-reach windows.
What it doesn't: Significantly more expensive. Requires power (battery or hardwired). Battery versions need replacement every 6-12 months depending on use. Installation is more complex. Limited retail availability — often custom order.
Who should buy this: Homeowners with large windows in hard-to-reach locations. Smart home enthusiasts. Anyone with multiple large windows who wants unified automated control.
How to measure large windows
Accurate measurements are even more critical on large windows because the cost of mistakes is higher. Follow this process:
- Measure width at the top, middle, and bottom of the opening. For inside mount, use the narrowest measurement. For outside mount, use the widest and add 4-6 inches (2-3 inches overlap on each side).
- Measure height at the left, center, and right. For inside mount, use the longest measurement. For outside mount, add 3-4 inches above the frame.
- Check frame depth. Inside mount requires at least 1.5-2 inches of frame depth for the brackets. Shallow frames on large windows are common in newer construction — you may need outside mount. Full mounting guide →
- Note obstructions. Window cranks, handles, and AC units are more common on large windows. Mark their positions before ordering.
Patio doors and sliding glass doors
For sliding glass doors, vertical blinds remain the most practical option because they don't block the door track. The modern alternative is a panel track system — large fabric panels that slide on a ceiling-mounted track. Panel tracks look much sleeker than vertical blinds but cost more ($80-150).
Frequently asked questions
What is the widest window blind you can buy?
Standard off-the-shelf roller shades are available up to 72-96 inches wide. Vertical blinds have virtually no width limit. Custom-order cellular shades max out around 60-72 inches. For windows wider than these limits, you can use two shades side by side on a single headrail or use separate brackets with a minimal gap between shades.
Should I use one blind or two for a large window?
For windows up to 60 inches wide, a single shade usually works fine. For windows 60-96 inches, a single roller shade works but may be heavy to operate manually — consider motorized. For windows wider than 96 inches, two shades on a shared headrail is the standard approach. The gap between them is minimal (about 1/4 inch).
Can I use cellular shades on large windows?
Yes, but with limits. Most cordless cellular shades max out at 60 inches wide. Beyond that, the fabric sags in the middle. For wider windows, choose a roller shade, vertical blind, or split the opening into two cellular shades. Cellular shades work well on tall, narrow windows regardless of height.