Sheer fabric Sheer fabric Sheer fabric is fabric which is made using thin thread and/or low density of knit and which results in a semi-transparent and flimsy cloth. Some fabrics become transparent when wet. The sheerness of a fabric is expressed as a numerical denier which ranges from 3 (extremely rare, very thin, barely visible) to 15 (standard sheer for stockings) up to 30 (semi opaque) until 100 (opaque). The materials which can be made translucent include gossamer, silk, rayon or nylon. Sheer fabric comes in a wide variety of colors, but for curtains, white and shades of white, such as cream,
Blackout (fabric) ‘passes’. A ‘2-pass’ blackout is produced by applying two passes of foam to a fabric – first, a black layer is applied to the fabric, then a white or light-colored layer is applied on top of the black. A ‘3-pass’ blackout is produced by applying a layer of white foam to the fabric first, then a layer of black foam followed by the third and final layer of white or light-colored foam. A ‘3-pass’ blackout can be used as a decorative fabric and blackout lining all in one fabric. A ‘2-pass’ cannot be used this way, because the black foam