Inside mount
Keeps the treatment within the opening when depth and hardware allow.
Mount is not only an appearance choice. It changes coverage, light gaps, handle clearance, fabric width, and how the headrail or tube sits against the opening.

Window cranks, locks, screens, shallow recesses, uneven trim, and inward-opening parts can interfere. An outside mount can add coverage but needs wall or trim space.
Keeps the treatment within the opening when depth and hardware allow.
Adds overlap and can reduce visible edge light when surrounding space is available.
Different rooms can use different mounts while coordinating fabric and hardware color.

A shallow recess may leave the roller tube proud of the trim even when technically mounted inside. Comparing that profile with a deliberate outside mount can produce a cleaner and darker result.
These answers use current BLINDS100 pricing and offer rules. The exact written project is confirmed after measurement.
The cleaner result depends on the opening. A crowded inside mount can look less intentional than a properly aligned outside mount.
Outside overlap can reduce edge light, but every room should be checked for wall, trim, sill, and hardware conditions.
It can when different hardware, accessories, dimensions, or installation conditions are required.
The city page explains service context. The topic guide explains the decision. The planner compares the real project and eligible savings.
BLINDS100 serves residential projects from Harbor City across the nearby South Bay. Service depends on the address and project scope.
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