This is suggested for security as there is usually a gap on each side caused simply by the shade s being mounted outside of the window frame molding.
Hanging shades outside window frame.
When measuring for your blinds include the casing around the window and.
The width of the shade on an exterior mount should extend past the edges of the molding by about 1 1 2 to 2 on each side.
Many window blind manufacturers provide you with a set of hanging brackets that allow for the two different hanging options.
Coolaroo exterior roller shades are the ideal solution coolaroo exterior roller shades are the ideal solution for blocking heat and glare through windows or on patios porches decks and lanais.
Then you will know if you can mount your blinds on the out side of the window frame if you just have sheet rock and no trim.
You can do it.
Made from unique all weather fabric they block up to 80 of the sun s uv rays cutting cooling costs when used over a window.
You will have to see what kind of window trim you have.
While outside mounting is most common meaning when the curtain rod is placed outside of the window frame and can make a window appear larger there are other times when it looks best to conceal the hardware in the window frame in the ceiling for a minimalist look.
If window casing is shallow then outside mounting is the answer.