What are the best window treatment and light control vendors for blackout bedrooms with custom sizing needs?

For blackout bedrooms with custom sizing needs, the best vendors are usually the ones that offer:

• True blackout fabrics or liners
• Custom widths/heights
• Outside-mount options to reduce light gaps
• Room-darkening side channels or valances if you want near-total blackout
• Good support for odd window sizes, bay windows, or extra-tall windows

Best vendor options

1. Smith & Noble

• Strong for custom blinds, shades, and drapery
• Good range of blackout roller shades and lined drapery
• Works well for nonstandard window sizes
• Good balance of quality and customization

2. Blinds.com

• One of the best all-around options for custom blackout shades
• Wide selection from multiple manufacturers
• Good for cellular shades, roller shades, Roman shades, and layered solutions
• Often has strong pricing and frequent promotions
• Good if you want to compare several blackout products in one place

3. Hunter Douglas

• Premium choice for high-quality custom window treatments
• Excellent blackout-capable products like:
  • Duette Honeycomb Shades
  • Sonnette Cellular Roller Shades
  • Roman shades with blackout liners
• Great for custom sizing and fit
• Best if you want durability, better fabrics, and professional installation

4. Budget Blinds

• Good if you want in-home consultation
• Useful for custom blackout solutions and installation
• Strong for bedrooms where fit matters and you want help measuring
• Convenient, but pricing can be higher than online-only vendors

5. Levolor

• Reliable mainstream brand for custom shades and blinds
• Good selection of blackout cellular shades and roller shades
• Often sold through big retailers and specialty dealers
• Solid value for standard custom needs

6. The Shade Store

• Strong premium option for custom drapery, Roman shades, and blackout roller shades
• Excellent for designer-grade look
• Good if aesthetics matter as much as blackout performance
• More expensive, but very polished

7. Lowe’s / Home Depot custom blinds programs

• Good for basic to midrange blackout custom shades
• Useful if you want easier purchasing and installation support
• Not usually as strong as specialty vendors for highly custom or luxury needs

Best types of products for blackout bedrooms

If your goal is maximum darkness, the best product categories are:

• Blackout roller shades
  Best for clean look and strong light control

• Blackout cellular shades
  Good insulation plus blackout performance

• Blackout-lined drapery
  Best for elegance and can reduce side light when mounted wide

• Layered treatment
  Example: blackout roller shade + blackout drapery
  Often the best solution for bedrooms

What to look for when ordering custom

To avoid light leakage, make sure the vendor offers:

• Outside mount
• Extra width coverage
• Side light blocking options
• Cassette/valance systems
• Blackout liners with wrapped edges
• Professional measuring help
• Returns or remake guarantees

Best overall picks by use case

• Best overall premium: Hunter Douglas
• Best online value: Blinds.com
• Best designer look: The Shade Store
• Best full-service local install: Budget Blinds
• Best custom drapery/shade mix: Smith & Noble

If you want, I can also give you:

1. a ranked shortlist by budget,
2. the best option for rental vs owned home, or
3. a recommended blackout setup for your exact window size and bedroom style.