Inside Mount vs Outside Mount Roller Blinds in Bali

When choosing roller blinds, the fabric is only half of the decision. Where the blind is mounted can change privacy, side light, the visual size of the window and how well the blind works with curtains, doors and surrounding walls.

The two common approaches are inside mount, where the blind sits within the window recess, and outside mount, where the blind is mounted on the wall or surface around the opening.

Short Answer

Choose inside mount when the window recess has enough depth and you want a clean, integrated appearance. Choose outside mount when you need greater coverage, want to reduce side light, have limited recess depth, or want the window to appear visually larger.

Inside Mount vs Outside Mount at a Glance

What Is an Inside Mount?

An inside-mounted roller blind is installed within the window recess. The headrail and fabric sit inside the opening rather than projecting onto the wall.

This can produce a clean result when the recess is deep enough for the complete mechanism and the surrounding architecture is finished neatly.

When Inside Mount Works Well

• The recess is deep enough for the selected system.
• The window frame and reveal are reasonably straight and level.
• You want a minimal built-in appearance.
• The window is paired with side curtains.
• Perfect room darkness is not the only objective.

The Main Limitation: Light Gaps

Even when a roller blind fabric is designed for strong light control, the blind does not necessarily seal the entire window opening. With an inside mount, small gaps can remain between the fabric and the recess, plus a gap above the mechanism depending on the system.

For bedrooms where near-total darkness is expected, this distinction matters. The issue can be installation geometry rather than poor fabric.

See what 100% blackout really means.

What Is an Outside Mount?

An outside-mounted roller blind sits over the opening rather than inside it. Brackets can be fixed to the wall, window surround or another suitable surface.

Because the blind can extend beyond the recess, outside mounting gives more control over coverage. This is useful when light control or privacy is more important than hiding the blind inside the recess.

When Outside Mount Works Well

• The recess is too shallow for the chosen mechanism.
• You want to reduce visible side light.
• The opening has an awkward or uneven recess.
• You want the window to appear wider or taller.
• The blind needs to cover more than the glass itself.
• The blind will be coordinated with a curtain system.

Outside Mount Does Not Mean Always Better

Outside mounting adds another layer to the wall. The blind becomes more noticeable, and brackets, headrail and fabric need to coexist with doors, handles, lighting, artwork and curtain hardware.

It also needs sufficient wall space around the opening.

Bedrooms vs Living Rooms

Bedrooms are where mounting decisions become especially important. If the priority is a clean daytime appearance and moderate light filtering, inside mount can work beautifully. If darkness and privacy are the priority, outside mount may offer a better starting point.

Living rooms often benefit from controlled daylight rather than complete darkness. A sunscreen roller blind inside the recess can reduce glare while preserving some view. For west-facing glazing, see our west-facing roller blind guide.

What If You Have Curtains Too?

Combining roller blinds with floor-to-ceiling curtains can be excellent for Bali villas. The blind handles glare, privacy or solar control while curtains provide softness and additional light control.

The critical detail is spacing. An outside-mounted blind may project farther into the room, so curtain track or rod position must be planned around it.

Measurement Matters

• clear recess width and height;
• recess depth at top and sides;
• frame irregularities;
• handle and door clearance;
• ceiling or wall obstructions;
• required overlap for light control;
• curtain hardware location if layered.

For custom installations, these measurements should be confirmed at the property rather than estimated from a photograph alone.

Common Mistakes

• Choosing inside mount only because it looks cleaner.
• Choosing outside mount without checking surrounding objects.
• Ignoring the fabric and openness level.
• Measuring only the glass.

Decision Guide

Final Takeaway

Inside mount is usually the cleaner integrated solution when the recess allows it. Outside mount becomes more attractive when coverage, light control, privacy or limited recess depth are the bigger concerns.

Planning Custom Roller Blinds in Bali?

Almeers Living can help assess the window recess, mounting position, fabric and light-control requirements before production.

Request a free site survey for a project-specific recommendation.