Inside mounting of window blinds or even curtains are more technical than outside mounting when it comes to measurement and installation. For most window blinds like roller or combi blinds, at least 3 inches of depth is needed for a fully recessed finish. If protruded installation is acceptable, at least 2.5 inches of depth is required. However, for venetian blinds (aka mini blinds) only 1 inch is required to fully recess it in an inside mounting installation.
There are several cases where inside mounting the blinds is not possible because the depth is too narrow so the only possible solution is to outside mount it. Continue reading