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2. Window insulation - Wikipedia

   en.wikipedia.org/wiki/Window_insulation

   Window insulation reduces heat transfer from one side of a window to the other. The U-value is used to refer to the amount of heat that can pass through a window, called thermal transmittance, with a lower score being better. [1] The U-factor of a window can often be found on the rating label of the window.

3. 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.

4. Curtain wall (architecture) - Wikipedia

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

   Unlike storefront systems, curtain wall systems are designed to span multiple floors, taking into consideration building sway and movement and design requirements such as thermal expansion and contraction; seismic requirements; water diversion; and thermal efficiency for cost-effective heating, cooling, and interior lighting.

5. Curtain - Wikipedia

   en.wikipedia.org/wiki/Curtain

   Measuring curtain sizes needed for each window varies greatly according to the type of curtain needed, window size, and type and weight of curtain. Curtains are a form of window decor and complete the overall appearance of the interior of the house. Curtains help control the ambiance and flow of natural light into the room.

6. Thermal transmittance - Wikipedia

   en.wikipedia.org/wiki/Thermal_transmittance

   The frame and double sealing of the window system are the actual weak points in the window insulation. Typical thermal transmittance values for common building structures are as follows: [citation needed] Single glazing: 5.7 W/(m 2 ⋅K) Single glazed windows, allowing for frames: 4.5 W/(m 2 ⋅K) Double glazed windows, allowing for frames: 3.3 ...

7. Window box - Wikipedia

   en.wikipedia.org/wiki/Window_box

   Wood, brick, terracotta, metal, fibre glass, vinyl, and cellular PVC may all be used in window box construction. A typical wooden window box lasts 3–5 years before showing deterioration, though with painting and maintenance can last 10–15 years. Window boxes are usually accessed from indoors, and are often used by people who live on upper ...