A type of Double Shade. Tandem shades are two independently operated shades that are hung parallel to each other from the same bracket.

A term used to describe the behavior of some roller shades where in the fabric rolls up unevenly, causing the edges of the fabric on the tube to be misaligned.

A small aluminum skirt found on pockets and closure mount which can be used to support a ceiling tile (in drop-ceiling installations) or can be mudded over when installing directly into the ceiling.

A measure of the turning force on an object, often expressed in Nm.

A device used to raise or lower the voltage as it makes the transfer of electrical energy from one circuit to another.

A device which sends out a radio signal.

A term refering to additional decoration, typically along the edges of something and in contrasting color or material.

A fabric woven so as to have a surface pattern of diagonal parallel ridges.