What Happens When You Add Blackout Curtains Over Blinds?

When it comes to window treatments, layering blackout curtains over blinds offers the ultimate light blocking effect. This combination transforms any space into a private, insulated haven protected from outside light and noise. But what exactly happens when you hang opaque curtains over existing blinds? Let’s explore the unbeatable benefits you can expect.

Blackout Curtains Provide Complete Light Blockage

Blackout curtains are designed to prevent light from entering a room. Made from tightly-woven, opaque fabrics, these thick curtains effectively block outside light sources. When you layer them over blinds, they create an impenetrable barrier that stops light from sneaking in through any cracks or gaps.

Blackout curtains are lined with a rubberized backing that seals them against the window frame. This light-proof quality is what sets them apart from regular drapes. By layering them over blinds, you get the best of both worlds: complete blockage of incoming light for optimal darkness and privacy.

Total Light Control for Sleep & Relaxation

For bedrooms, installing blackout curtains over blinds provides the total light control needed for uninterrupted sleep and daytime relaxation. The pitch black environment lets you sleep peacefully through sunrise and street lights at night. During naps or leisure time, the darkroom effect helps block distractions.

In nurseries, layering blackout curtains over blinds allows for on-demand darkness. This helps establish healthy sleep schedules for babies. The blackout conditions also provide privacy during nursing, diaper changes, and more.

blackout curtains over blinds

Immersive Viewing for Home Theaters

Home theater rooms demand near-complete darkness for ideal movie and TV viewing. Ambient light diminishes picture quality and washes out on-screen images. Blackout curtains over blinds prevent any stray light beams from spoiling the visual experience.

Whether you’re watching in daylight or at night, the light lockout transforms a regular room into a cinema-like space. Your home theater can deliver an immersive viewing experience on par with a commercial theater.

Added Privacy from Outside Views

For bedrooms, nurseries, and other private spaces, the ability to control your visibility from outside is key. Blackout curtains installed over blinds prevent people from peering into your home. The opaque, layered barrier securely protects your privacy.

Blinds alone still leave room for prying eyes, even when fully extended. But combined with light blocking blackout curtains, your room remains fully concealed. This extra privacy is reassuring in intimate spaces.

How to Layer Blackout Curtains Over Blinds

Achieving the optimal light blocking effect requires proper installation. Follow these steps when layering blackout curtains over existing window blinds:

Mount the Curtain Rod Correctly

Install the curtain rod several inches above the blinds – high enough to allow the curtains to hang over the blinds without obstruction. Mount the brackets securely in the window frame or wall. Extend the rod 2-3 inches wider than the blinds.

Hang the Blackout Curtains

After mounting the rod, attach your preferred curtains. Clip curtain rings or back tabs onto the rod, then slide the blackout curtains into place. For floor-length curtains, allow 1-2 inches of space between the bottom hem and floor.

Overlap the Blinds

Pull the blackout curtains closed across the blinds, slightly overlapping them. The curtains should extend a few inches past either side of the window frame. Use included side channels or curtain ties to close any gaps at the edges.

This overlapping style envelops the blinds in an opaque cocoon. Light leakage is prevented by the full coverage. For windows or doors with sidelights, crossover the panels to hide the dividing post.

The Ultimate Light & Noise Blocking Combination

With both treatments layered, virtually no outside light or noise can creep in. The rubberized blackout curtains absorb sound and darken the room. Blinds further insulate for silence and privacy.

This level of light and noise control creates the ideal environment for uninterrupted sleep, relaxation, or immersive entertainment. Bedrooms stay pitch black and quiet all day long.

Lower Energy Costs

The added insulation provided by blackout curtains also reduces heating and cooling costs. Preventing air flow through windows lowers energy consumption needed to maintain a comfortable temperature.

Blackout curtains also provide protection from UV rays that can damage furniture and increase sun glare. Better insulation translates to energy savings and extended equipment life.

Blackout Curtains vs. Blinds: Key Differences

Blackout curtains and blinds each offer unique advantages. Here are some of the main differences between these popular window treatments:

Appearance & Aesthetics

Blackout curtains make a style statement with their dramatic, flowing fabric. Available in various colors and patterns, they enhance decor. Blinds keep the look simpler and sleeker.

Installation & Hardware

Blinds mount directly onto window frames for built-in functionality. Curtains require added rods or tracks. But curtains can be installed anywhere since they don’t need to attach to the window itself.

Durability & Longevity

With moving parts, blinds are more prone to wear and tear over time. Blackout curtains are simpler with no mechanical operation needed.

Light Blocking Ability

Thick blackout curtains block all light when drawn closed. Blinds have small gaps and cracks that allow some light through.

Noise Reduction

Blackout curtains muffle outside noise better than most blinds with their dense, noise-absorbing fabric.

Cost Comparison

Basic vinyl or wooden blinds run less expensive than most high-quality blackout curtains. But added features like motorization increase blind costs.

Ideal Rooms for Blackout Curtains Over Blinds

Certain rooms stand to benefit the most from this super light and noise-blocking window treatment combination. Here are some of the top contenders:


Bedrooms need complete darkness and quiet for uninterrupted sleep and daytime retreats. Blackout curtains over blinds transform bedrooms into peaceful sanctuaries protected from light and noise.

Home Theaters

For ideal movie and TV viewing, home theaters require a pitch black backdrop. Ambient light diminishes picture quality. Combining blackout curtains and blinds delivers a cinema-like viewing experience.


Nurseries need variable light levels to establish healthy sleep cycles for infants. Darkening on demand is easy with blackout curtains over blinds. This also allows for discreet nursing and diaper changes.


Home offices where remote work or video conferencing take place benefit from light and noise control. Blackout curtains over blinds limit distractions for productivity.

Additional Window Treatment Possibilities

While blackout curtains and blinds pair perfectly, other effective options include:

Blackout Shades

Shades with built-in opaque lining provide convenient light blockage without a layered look.

Blackout Shutters

Interior shutters engineered to block light offer a sophisticated solution.

Blackout Film

Light blocking window films applied directly to glass add darkness without expensive treatments.

Combine All Three

For maximum control, use blackout curtains, shades, and blinds together. Automate with motorization for effortless room darkening.

If complete light blockage is your goal, blackout curtains over blinds deliver unmatched results. This powerful combination separates your space from the outside world through an impenetrable darkness that rivals midnight at noon. During bright sunny days, your room morphs into a pitch black cocoon perfect for uninterrupted sleep and relaxation. At night, the darkness enhances peace and privacy while muting noise. With this simple layered treatment, you can customize any room to be your personal sanctuary.

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