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2. Blackout (fabric) - Wikipedia

   en.wikipedia.org/wiki/Blackout_(fabric)

   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.

3. Curtain - Wikipedia

   en.wikipedia.org/wiki/Curtain

   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 or thermal dampener. Curtain liners are used to protect actual curtains from getting wet. Eyelet Curtains are attached to a pole (usually metal). A number of circular holes are cut into ...

4. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   The blue plastic on the central building is the vapour barrier for the thermal wall insulation before the exterior cladding has been fixed. Building insulation materials are the building materials that form the thermal envelope of a building or otherwise reduce heat transfer.

5. Theater drapes and stage curtains - Wikipedia

   en.wikipedia.org/wiki/Theater_drapes_and_stage...

   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 ...

6. Curtain wall (architecture) - Wikipedia

   en.wikipedia.org/wiki/Curtain_wall_(architecture)

   While these curtain wall systems are more energy-efficient than older, single-glazed versions, they are still significantly less efficient than opaque (solid) wall construction. [13] For example, nearly all curtain wall systems, thermally-broken or otherwise, have a U-value of 0.2 or higher, which is equivalent to an R-value of 5 or lower. [14]

7. Trump's plan to end daylight saving: Will 4:30 a.m. be the ...

   www.aol.com/trumps-plan-end-daylight-savings...

   If America were to stay with standard time year-round, then sunshine during warm-weather months would hit bedroom curtains at unaccustomed early hours, perhaps between 4:30 a.m. and 5:30 a.m.