Ads
related to: thermal curtains 63 inch length sidelight curtain
Search results
Results From The WOW.Com Content Network
The safety curtain or fire curtain is used to separate the stage from the audience in case of a fire onstage. It may be made of heavy fireproofed fabric or solid steel sheet. Some were made of asbestos cloth. After several deadly theater fires in the early 1900s, safety systems were developed to isolate the stage, direct smoke away from the ...
Sash curtains are used to cover the lower sash of the windows. Rod pocket curtains have a channel sewn into the top of the fabric. A curtain rod is passed through the channel to hang. [15] Thermal or blackout curtains use very tightly woven fabric, usually in multiple layers. They not only block out the light, but can also serve as an acoustic ...
A typical installation of insulated glass windows with uPVC frames. Possibly the earliest use of double glazing was in Siberia, where it was observed by Henry Seebohm in 1877 as an established necessity in the Yeniseysk area where the bitterly cold winter temperatures regularly fall below -50° C, indicating how the concept may have started: [2]
The process of manufacturing blackout was invented by Baltimore-based Rockland Industries, [2] and involves coating a fabric with layers of foam, or '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.