0 a piece of material fixed onto a wooden or metal roller that can be pulled down to cover a window --
Roller blinds will run downwards from the uplighter level.
An attempt to turn the tower into a restaurant led to the installation of a large window with roller blinds on the seaward side of the tower.
External parabolic collectors require proper heat insulation, double-glazed windows over the zenithal opening and roller blinds to reduce excessive lighting, glare and heat on sunny days.
Each passenger compartment also included roller blinds over the windows, and an individual radiator fitted to the outer wall and protected with a steel grille.
The most inexpensive blinds in the 19th century were home-made roller blinds, made of cloth.
In 1974 roller blinds were introduced to the range.
I maintain that putting in steel roller blinds of a colour that harmonises with the rest of the building does not materially alter the external appearance.
A roller blind does not have slats but consists of a single piece of material.